{"id":62273,"date":"2026-07-16T03:50:36","date_gmt":"2026-07-16T03:50:36","guid":{"rendered":"https:\/\/www.kaysuns.com\/?p=62273"},"modified":"2026-07-16T05:47:34","modified_gmt":"2026-07-16T05:47:34","slug":"super-duplex-f55-plate","status":"publish","type":"post","link":"https:\/\/www.kaysuns.com\/fr\/super-duplex-f55-plate\/","title":{"rendered":"Super Duplex F55 Plate"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"62273\" class=\"elementor elementor-62273\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ed0ed29 e-flex e-con-boxed e-con e-parent\" data-id=\"ed0ed29\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ac8cdaa elementor-widget elementor-widget-heading\" data-id=\"ac8cdaa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Super Duplex F55 Plate<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ce9944f e-con-full e-flex e-con e-child\" data-id=\"ce9944f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-ee4722d e-con-full e-flex e-con e-child\" data-id=\"ee4722d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9f5b37d elementor-widget elementor-widget-text-editor\" data-id=\"9f5b37d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tA <strong>super duplex F55 plate<\/strong> is a high-performance flat-rolled metal sheet made from a highly alloyed ferritic-austenitic stainless steel.This specific grade-also designated as UNS S32760, EN 1.4501 or Zeron 100-is explicitly engineered to provide extreme mechanical strength and exceptional corrosion resistance in harsh,chloride-rich,and acidic environments.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fe8f123 elementor-widget elementor-widget-heading\" data-id=\"fe8f123\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Core Technical Properties<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8249841 elementor-widget elementor-widget-text-editor\" data-id=\"8249841\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>High Pitting Resistance:<br \/>It achieves a PREN of &gt;40, guaranteeing outstanding durability in seawater.<\/li><li>High Mechanical Strength:<br \/>F55 yields double the strength of standard austenitic 316L stainless steel,allowing engineers to design thinner,lighter walls for pressure-rated systems.<\/li><li>SCC Resistance:<br \/>Excellent resistance to cracking in high-chloride,sour,and marine environments.<\/li><li>Temperature Limitations:<br \/>It maintains high impact strength at sub-zero temperatures,but is prone to embrittlement if subjected to prolonged use above 300\u00b0C (approx. 570\u00b0F).<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4985733 e-con-full e-flex e-con e-child\" data-id=\"4985733\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-67f5ee7 elementor-widget elementor-widget-image\" data-id=\"67f5ee7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"768\" height=\"574\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2026\/07\/Super-Duplex-F55-Plate-Packaged-scaled-e1784173770972-768x574.webp\" class=\"attachment-medium_large size-medium_large wp-image-62326\" alt=\"Super Duplex F55 Plate Packaged\" srcset=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2026\/07\/Super-Duplex-F55-Plate-Packaged-scaled-e1784173770972-768x574.webp 768w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2026\/07\/Super-Duplex-F55-Plate-Packaged-scaled-e1784173770972-300x224.webp 300w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2026\/07\/Super-Duplex-F55-Plate-Packaged-scaled-e1784173770972-16x12.webp 16w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2026\/07\/Super-Duplex-F55-Plate-Packaged-scaled-e1784173770972.webp 1000w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d4e2d7c elementor-widget elementor-widget-heading\" data-id=\"d4e2d7c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Applications of Super Duplex F55 Plate<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b1e6c22 e-con-full e-flex e-con e-child\" data-id=\"b1e6c22\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-d5c03b1 e-con-full e-flex e-con e-child\" data-id=\"d5c03b1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-31743da elementor-widget-tablet__width-initial elementor-widget-mobile__width-initial elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"31743da\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-square-full\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Subsea Pipelines<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-square-full\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Offshore Platforms<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-square-full\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Desalination Plants<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-square-full\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Chemical Reactors<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-square-full\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Heat Exchangers<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-square-full\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Pressure Vessels<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-square-full\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Storage Tanks<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-eed343b e-con-full e-flex e-con e-child\" data-id=\"eed343b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ad11506 elementor-widget-tablet__width-initial elementor-widget-mobile__width-initial elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"ad11506\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-square-full\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Marine Propellers<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-square-full\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Cargo Tanks<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-square-full\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Flue Scrubbers<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-square-full\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Sewage Systems<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-square-full\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Mining Equipment<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-square-full\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Centrifugal Pumps<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-square-full\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Geothermal Wells<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-93f11e1 elementor-widget elementor-widget-text-editor\" data-id=\"93f11e1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tWe offer super duplex F55 plates and sheets in thicknesses of 2.0, 3.0, 4.0, 5.4, and 6.0.We offer not only <a href=\"https:\/\/www.kaysuns.com\/stainless-steel-plates\/\" target=\"_blank\" rel=\"noopener\">stainless steel plates<\/a> and sheets but also plates made of Hastelloy,Incoloy,Inconel,Monel,and other alloys.Our products comply with ASTM A240,EN 10204,ISO 9001,PED 2014\/68\/EU ,CE,and other standards.With over a decade of experience in manufacturing and import\/export,we are your best wholesaler in China.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-47d9524 e-flex e-con-boxed e-con e-parent\" data-id=\"47d9524\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-491a53e elementor-widget elementor-widget-heading\" data-id=\"491a53e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Chemical Composition of Super Duplex F55 Plate<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-676b5aa elementor-widget elementor-widget-text-editor\" data-id=\"676b5aa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table>\n<thead>\n<tr>\n<th bgcolor=\"#00a0e9\">Cr<\/th>\n<th bgcolor=\"#00a0e9\">Ni<\/th>\n<th bgcolor=\"#00a0e9\">Mo<\/th>\n<th bgcolor=\"#00a0e9\">W<\/th>\n<th bgcolor=\"#00a0e9\">Cu<\/th>\n<th bgcolor=\"#00a0e9\">N<\/th>\n<th bgcolor=\"#00a0e9\">Mn<\/th>\n<th bgcolor=\"#00a0e9\">Si<\/th>\n<th bgcolor=\"#00a0e9\">C<\/th>\n<th bgcolor=\"#00a0e9\">P<\/th>\n<th bgcolor=\"#00a0e9\">S<\/th>\n<th bgcolor=\"#00a0e9\">Fe<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>24.0 &#8211; 26.0<\/td>\n<td>6.0 &#8211; 8.0<\/td>\n<td>3.0 &#8211; 4.0<\/td>\n<td>0.50 &#8211; 1.0<\/td>\n<td>0.50 &#8211; 1.0<\/td>\n<td>0.20 &#8211; 0.30<\/td>\n<td>\u2264 1.0<\/td>\n<td>\u2264 1.0<\/td>\n<td>\u2264 0.03<\/td>\n<td>\u2264 0.035<\/td>\n<td>\u2264 0.015<\/td>\n<td>Balance<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1c72494 elementor-widget elementor-widget-heading\" data-id=\"1c72494\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Core Metallurgy: Why F55 is Unique<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0ee6a31 e-con-full e-flex e-con e-child\" data-id=\"0ee6a31\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-578f94e e-con-full e-flex e-con e-child\" data-id=\"578f94e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cf7183e elementor-widget elementor-widget-heading\" data-id=\"cf7183e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">The Dual-Phase Microstructure<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e61d267 elementor-widget elementor-widget-text-editor\" data-id=\"e61d267\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>F55 plates consist of a precisely balanced 50:50 matrix of Austenite and Ferrite.<\/p><ul><li>The Ferrite phase provides excellent resistance to chloride-induced SCC and offers high mechanical strength.<\/li><li>The Austenite phase ensures high ductility,structural toughness,and clean weldability.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-106af34 e-con-full e-flex e-con e-child\" data-id=\"106af34\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-53f2bf2 elementor-widget elementor-widget-heading\" data-id=\"53f2bf2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">The Tungsten &amp; Copper Distinction<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-643d79d elementor-widget elementor-widget-text-editor\" data-id=\"643d79d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The definitive difference between Grade F55 and other common super duplex grades like Grade F53 is the deliberate addition of Tungsten and Copper.<\/p><p>This combination makes F55 much more reliable in handling highly concentrated sour gas and industrial organic\/mineral acids like sulfuric and hydrochloric acids.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-99b5b1e e-con-full e-flex e-con e-child\" data-id=\"99b5b1e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-23dfd83 e-con-full e-flex e-con e-child\" data-id=\"23dfd83\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9364151 elementor-widget elementor-widget-heading\" data-id=\"9364151\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">PREN<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5228904 elementor-widget elementor-widget-text-editor\" data-id=\"5228904\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tThe composition ensures a high pitting index,calculated using the standard formula:<br \/>PREN = %Cr + 3.3 (%Mo + 0.5%W) + 16 (%N)<br \/>Due to high Cr, Mo, W, and N levels,F55 guarantees a PREN \u2265 40.Any steel with a PREN over 40 is classified as a &#8220;Super&#8221; Duplex and is theoretically immune to ambient seawater corrosion.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-38f5af0 e-con-full e-flex e-con e-child\" data-id=\"38f5af0\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-76607ae elementor-widget elementor-widget-heading\" data-id=\"76607ae\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Critical Fabrication Considerations<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-023f53f e-con-full e-flex e-con e-child\" data-id=\"023f53f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-d56be9c e-con-full e-flex e-con e-child\" data-id=\"d56be9c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ae5be1d elementor-widget elementor-widget-heading\" data-id=\"ae5be1d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Temperature Limitations<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f738998 elementor-widget elementor-widget-text-editor\" data-id=\"f738998\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>High-Temperature Embrittlement:<br \/>F55 plates must not be used for extended periods at temperatures exceeding 300\u2103(572\u2109).Exposure to high temperatures causes the rapid precipitation of brittle intermetallic phases,resulting in a dramatic loss of toughness.<br \/><br \/><\/li><li>Low-Temperature Toughness:<br \/>It retains good impact strength and ductility down to sub-zero service applications,often tested down to -46\u2103 or -50\u2103.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2c4be21 e-con-full e-flex e-con e-child\" data-id=\"2c4be21\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e8129ae elementor-widget elementor-widget-heading\" data-id=\"e8129ae\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Welding Specifications<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-40e9f1c elementor-widget elementor-widget-text-editor\" data-id=\"40e9f1c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tF55 plates can be successfully welded using common processes like GTAW\/TIG,SMAW,and SAW.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d07dedb elementor-widget elementor-widget-text-editor\" data-id=\"d07dedb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>Over-alloyed Filler Metals:<br \/>Welding must utilize a filler wire over-alloyed with Nickel to ensure the weld pool solidifies with the proper 50:50 phase balance.<\/li><li>Heat Input Control:<br \/>Strict limits on interpass temperatures are required to prevent sigma phase formation.No PWHT is required unless a full solution anneal is performed.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-35edea5 elementor-section-content-middle elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"35edea5\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-8845556\" data-id=\"8845556\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f9c1802 elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"f9c1802\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Have a requirement?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a9306aa elementor-widget elementor-widget-heading\" data-id=\"a9306aa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-medium\">Kaysuns is a professional supplier of Super Duplex F55 Plates.Please feel free to contact me if you have any requirements.<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-c071d5f\" data-id=\"c071d5f\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4243137 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"4243137\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Contact Us For More Information\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8073acd elementor-align-center elementor-mobile-align-center elementor-widget__width-initial elementor-widget elementor-widget-button\" data-id=\"8073acd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-grow\" href=\"#elementor-action%3Aaction%3Dpopup%3Aopen%26settings%3DeyJpZCI6IjQ2ODEzIiwidG9nZ2xlIjpmYWxzZX0%3D\" target=\"_blank\" id=\"#241018\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Contact Us<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t<div class=\"elementor-element elementor-element-9526cc4 e-flex e-con-boxed e-con e-parent\" data-id=\"9526cc4\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-32cd4c3 elementor-widget elementor-widget-heading\" data-id=\"32cd4c3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Mechanical Properties of Super Duplex F55 Plate<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fa05f7a elementor-widget elementor-widget-text-editor\" data-id=\"fa05f7a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tThe mechanical behavior of a Super Duplex F55 plate is defined by its balanced 50:50 austenitic-ferritic microstructure.This dual-phase matrix provides double the yield strength of standard austenitic stainless steels alongside high ductility,toughness,and fatigue resistance.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-bb5728d e-con-full e-flex e-con e-child\" data-id=\"bb5728d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-7616970 e-con-full e-flex e-con e-child\" data-id=\"7616970\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-645a830 elementor-widget elementor-widget-heading\" data-id=\"645a830\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Room-Temperature Mechanical Properties<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6df205d elementor-widget elementor-widget-text-editor\" data-id=\"6df205d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table>\n<thead>\n<tr>\n<th bgcolor=\"#00a0e9\">Property<\/th>\n<th bgcolor=\"#00a0e9\">Metric Units<\/th>\n<th bgcolor=\"#00a0e9\">Imperial Units<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td bgcolor=\"#05b8e4\">Tensile Strength<\/td>\n<td>730 \u2013 930 MPa<\/td>\n<td>106 \u2013 135 ksi<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05b8e4\">0.2% Yield Strength<\/td>\n<td>\u2265 530 MPa<\/td>\n<td>\u2265 77 ksi<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05b8e4\">1.0% Yield Strength<\/td>\n<td>\u2265 550 MPa<\/td>\n<td>\u2265 80 ksi<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05b8e4\">Elongation<\/td>\n<td>\u2265 25 %<\/td>\n<td>\u2265 25 %<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05b8e4\">Brinell Hardness<\/td>\n<td>\u2264 290 HBW<\/td>\n<td>\u2264 290 HBW<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05b8e4\">Rockwell C Hardness<\/td>\n<td>\u2264 30 HRC<\/td>\n<td>\u2264 30 HRC<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05b8e4\">Charpy V-Notch Impact Energy<\/td>\n<td>\u2265 80 Joules (-40\u00b0C)<\/td>\n<td>\u2265 59 ft-lbf (-40\u00b0F)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8aed938 e-con-full e-flex e-con e-child\" data-id=\"8aed938\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-494fd14 elementor-widget elementor-widget-heading\" data-id=\"494fd14\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Modulus and Physical Strength<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-814d79c elementor-widget elementor-widget-text-editor\" data-id=\"814d79c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>Modulus of Elasticity (Young&#8217;s Modulus):<br \/>Approximately 200 GPa (29 \u00d7 10\u2076 psi) at room temperature.<\/li><li>Shear Modulus:<br \/>Approximately 75 GPa.<\/li><li>Poissons Ratio:0.3.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9029907 elementor-widget elementor-widget-heading\" data-id=\"9029907\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Impact Toughness and Sub-Zero Behavior<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-eb6a231 elementor-widget elementor-widget-text-editor\" data-id=\"eb6a231\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tTraditional ferritic stainless steels are highly brittle at low temperatures.However,because F55 contains a significant amount of the tough Austenite phase,it retains remarkable impact strength at sub-zero temperatures.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1719834 elementor-widget elementor-widget-text-editor\" data-id=\"1719834\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>Low-Temperature Testing:<br \/>According to NORSOK M-630 (MDS D55) standards for petroleum offshore piping,plates are regularly tested for impact toughness at -46\u00b0C or -50\u00b0C.<\/li><li>Charpy V-Notch Requirements:<br \/>The material must consistently achieve a minimum average impact energy of 80J (transverse) or 100J (longitudinal) at these freezing thresholds,proving it safe against catastrophic brittle fracturing.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-185cca2 elementor-widget elementor-widget-heading\" data-id=\"185cca2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Elevated Temperature Limitations &amp; Strength De-rating<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9e9bf06 elementor-widget elementor-widget-text-editor\" data-id=\"9e9bf06\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tWhile F55 plates maintain strong structural integrity up to moderate temperatures,their design strength drops as heat increases.The material is also constrained by metallurgical limitations:\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-75b730f e-con-full e-flex e-con e-child\" data-id=\"75b730f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-c55488b e-con-full e-flex e-con e-child\" data-id=\"c55488b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-da6c7b2 elementor-widget elementor-widget-heading\" data-id=\"da6c7b2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Allowable Design Strength De-rating<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-328b91f elementor-widget elementor-widget-text-editor\" data-id=\"328b91f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>At 50\u00b0C (122\u00b0F):<br \/>Tensile properties remain relatively stable near nominal room-temp baselines.<\/li><li>At 150\u00b0C (302\u00b0F):<br \/>Yield strength decreases to roughly 430 MPa.<\/li><li>At 250\u00b0C (482\u00b0F):<br \/>Yield strength drops further to around 380 MPa.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-fe07414 e-con-full e-flex e-con e-child\" data-id=\"fe07414\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cf33cac elementor-widget elementor-widget-heading\" data-id=\"cf33cac\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">The 475\u00b0C (885\u00b0F) Embrittlement Hazard<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6b64254 elementor-widget elementor-widget-text-editor\" data-id=\"6b64254\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>Between 300\u00b0C and 525\u00b0C,a phenomenon known as 475\u00b0C embrittlement occurs.<\/li><li>Microscopic separation within the chromium-rich ferrite phase creates a spinodal decomposition (\u03b1&#8217; phase).<\/li><li>While this dramatically increases the hardness of the plate,it completely destroys the material&#8217;s impact toughness and ductility,rendering it as brittle as glass.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d641950 elementor-widget elementor-widget-heading\" data-id=\"d641950\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Influence of Heat Treatment on Mechanical Integrity<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9f7c4f7 elementor-widget elementor-widget-text-editor\" data-id=\"9f7c4f7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>Heating:<br \/>The plate is heated to a temperature between 1040\u00b0C and 1120\u00b0C (1900\u00b0F to 2050\u00b0F).This high heat dissolves any harmful secondary precipitates back into the metal matrix.<\/li><li>Quenching:<br \/>The plate is then rapidly cooled via water quenching or forced air cooling.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-93bcbec elementor-widget elementor-widget-text-editor\" data-id=\"93bcbec\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tIf the cooling process is too slow through the 600\u00b0C to 1000\u00b0C range,dangerous intermetallic phases like Sigma (\u03c3) and Chi (\u03c7) will form. Even a 1% presence of sigma phase will cut the material&#8217;s impact toughness in half and degrade its corrosion thresholds.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-eda80e3 e-flex e-con-boxed e-con e-parent\" data-id=\"eda80e3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9996096 elementor-widget elementor-widget-heading\" data-id=\"9996096\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Our Advantages in  Manufacturing Super Duplex F55 Plate<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3f00468 elementor-widget elementor-widget-text-editor\" data-id=\"3f00468\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tManufacturing Super Duplex F55 plates requires exceptional metallurgical expertise.Because the alloy is heavily balanced with Chromium,Molybdenum,Tungsten,and Copper,a minor mistake in temperature control can trigger brittle intermetallic phases,ruining the plate&#8217;s structural and corrosion-resistant integrity.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-282d24d elementor-widget elementor-widget-text-editor\" data-id=\"282d24d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tOur facility has optimized the manufacturing process to deliver 4 main competitive advantages in the production of high-quality Super Duplex F55 plates:\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a209565 e-con-full e-flex e-con e-child\" data-id=\"a209565\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-9aea44d e-con-full e-flex e-con e-child\" data-id=\"9aea44d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-282490b elementor-widget elementor-widget-heading\" data-id=\"282490b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Controlled Phase Balance<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f35eaec elementor-widget elementor-widget-text-editor\" data-id=\"f35eaec\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>We employ advanced Thermomechanical Control Processing combined with automated rolling mills.We precisely manage the deformation energy and finish-rolling temperatures.<br \/>This process creates a highly refined,uniform grain structure.It guarantees that the 50:50 phase ratio is consistent from the surface to the core of the plate,preventing localized structural weakness and ensuring predictable mechanical properties.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2e353e2 e-con-full e-flex e-con e-child\" data-id=\"2e353e2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-acc7b92 elementor-widget elementor-widget-heading\" data-id=\"acc7b92\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Sigma Free Quenching<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a7c95a3 elementor-widget elementor-widget-text-editor\" data-id=\"a7c95a3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Our solution-annealing line is integrated with a high-volume,high-pressure water quenching system capable of rapid cooling rates that far exceed standard commercial limits.<br \/>We freeze the high-temperature microstructural matrix instantly.This ensures a 100% sigma-free microstructure,allowing our plates to comfortably surpass the strict corrosion and microstructure requirements of NORSOK M-650 (MDS D55) and ASTM A923 Method C.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-aa9f85b e-con-full e-flex e-con e-child\" data-id=\"aa9f85b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-3af4225 e-con-full e-flex e-con e-child\" data-id=\"3af4225\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-761270d elementor-widget elementor-widget-heading\" data-id=\"761270d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Elevated Pitting Resistance<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-eba2b09 elementor-widget elementor-widget-text-editor\" data-id=\"eba2b09\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Using Argon Oxygen Decarburization and refining processes,we keep tramp impurities (like sulfur and phosphorus) to ultra-low levels,while keeping Chromium,Molybdenum,and Nitrogen near the top of their specification limits.<br \/>We consistently deliver F55 plates with an actual heat analysis PREN \u2265 42.This provides an extra margin of safety against pitting and crevice corrosion in hot,chlorinated seawater and aggressive sour oilfield environments.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e8baf65 e-con-full e-flex e-con e-child\" data-id=\"e8baf65\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cff62a9 elementor-widget elementor-widget-heading\" data-id=\"cff62a9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Severe Service Qualification<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c053a5e elementor-widget elementor-widget-text-editor\" data-id=\"c053a5e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>We feature an in-house, third-party accredited laboratory that subjects every production batch to rigorous NDT,including high-frequency UT and liquid penetrant inspection,alongside destructive tests (like Charpy V-Notch impact testing at -50\u00b0C).<br \/>Our plates ship with comprehensive EN 10204 3.1 material test certificates that are fully compliant with NACE MR0175\/ISO 15156,ASME Section VIII Div 1,and prestigious oil and gas approvals like NORSOK.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-694f7fc e-flex e-con-boxed e-con e-parent\" data-id=\"694f7fc\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5a4463b elementor-widget elementor-widget-heading\" data-id=\"5a4463b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">FAQs About Super Duplex F55 Plate<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d5d9b2c elementor-widget elementor-widget-accordion\" data-id=\"d5d9b2c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-2241\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-2241\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">F53 Versus F55?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2241\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-2241\">While both are super duplex grades with a PREN \u2265 40,F55 contains deliberate additions of Tungsten and Copper.F53 does not.These additions give F55 superior corrosion resistance in hot,aggressive mineral acids and sour oilfield environments.<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-2242\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"button\" aria-controls=\"elementor-tab-content-2242\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Can It Weld?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2242\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"region\" aria-labelledby=\"elementor-tab-title-2242\">Yes,F55 features good weldability using standard methods like TIG,MIG,and SMAW.However,fabricators must use an over-alloyed filler metal to ensure the weld pool cools into the proper 50:50 austenite-ferrite phase balance.<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-2243\" class=\"elementor-tab-title\" data-tab=\"3\" role=\"button\" aria-controls=\"elementor-tab-content-2243\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">What Is Sigma?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2243\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"3\" role=\"region\" aria-labelledby=\"elementor-tab-title-2243\">Sigma (\u03c3) phase is a hard,brittle intermetallic compound that forms if F55 is cooled too slowly between 600\u00b0C and 1000\u00b0C during welding or heat treatment.Even a 1% presence of sigma phase can cut the material&#8217;s impact toughness in half and degrade its corrosion properties.<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-2244\" class=\"elementor-tab-title\" data-tab=\"4\" role=\"button\" aria-controls=\"elementor-tab-content-2244\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Does NACE Approve?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2244\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"4\" role=\"region\" aria-labelledby=\"elementor-tab-title-2244\"><strong>Yes<\/strong>,Super Duplex F55 is fully approved under <a href=\"https:\/\/www.kaysuns.com\/what-is-nace-mr0175-iso-15156\/\" target=\"_blank\">NACE MR0175 \/ ISO 15156<\/a> for use in sour gas applications.To maintain compliance,the material must be supplied in the solution-annealed condition and exhibit a maximum hardness of 28 HRC (290 HBW).<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-2245\" class=\"elementor-tab-title\" data-tab=\"5\" role=\"button\" aria-controls=\"elementor-tab-content-2245\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Sub Zero Behavior?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2245\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"5\" role=\"region\" aria-labelledby=\"elementor-tab-title-2245\">Unlike standard ferritic steels that become highly brittle in cold climates,F55 retains outstanding impact toughness at sub-zero temperatures.It is regularly tested and certified down to -46\u00b0C or -50\u00b0C for arctic or deep-water offshore installations.<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<script type=\"application\/ld+json\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"F53 Versus F55?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"While both are super duplex grades with a PREN \\u2265 40,F55 contains deliberate additions of Tungsten and Copper.F53 does not.These additions give F55 superior corrosion resistance in hot,aggressive mineral acids and sour oilfield environments.\"}},{\"@type\":\"Question\",\"name\":\"Can It Weld?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes,F55 features good weldability using standard methods like TIG,MIG,and SMAW.However,fabricators must use an over-alloyed filler metal to ensure the weld pool cools into the proper 50:50 austenite-ferrite phase balance.\"}},{\"@type\":\"Question\",\"name\":\"What Is Sigma?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Sigma (\\u03c3) phase is a hard,brittle intermetallic compound that forms if F55 is cooled too slowly between 600\\u00b0C and 1000\\u00b0C during welding or heat treatment.Even a 1% presence of sigma phase can cut the material&#8217;s impact toughness in half and degrade its corrosion properties.\"}},{\"@type\":\"Question\",\"name\":\"Does NACE Approve?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<strong>Yes<\\\/strong>,Super Duplex F55 is fully approved under <a href=\\\"https:\\\/\\\/www.kaysuns.com\\\/what-is-nace-mr0175-iso-15156\\\/\\\" target=\\\"_blank\\\">NACE MR0175 \\\/ ISO 15156<\\\/a> for use in sour gas applications.To maintain compliance,the material must be supplied in the solution-annealed condition and exhibit a maximum hardness of 28 HRC (290 HBW).\"}},{\"@type\":\"Question\",\"name\":\"Sub Zero Behavior?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Unlike standard ferritic steels that become highly brittle in cold climates,F55 retains outstanding impact toughness at sub-zero temperatures.It is regularly tested and certified down to -46\\u00b0C or -50\\u00b0C for arctic or deep-water offshore installations.\"}}]}<\/script>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2d14df6 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2d14df6\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element 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available in thicknesses of 2.0, 3.0, 4.0, 5.4, and 6.0.Get a free and fast quote to save your time.<\/p>","protected":false},"author":1,"featured_media":62327,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","neve_meta_reading_time":"","_ti_tpc_template_sync":false,"_ti_tpc_template_id":"","footnotes":""},"categories":[478,259],"tags":[],"class_list":["post-62273","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-plates","category-product"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Super Duplex F55 Plate - 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