{"id":51480,"date":"2025-07-29T05:54:32","date_gmt":"2025-07-29T05:54:32","guid":{"rendered":"https:\/\/www.kaysuns.com\/?p=51480"},"modified":"2025-08-01T07:08:59","modified_gmt":"2025-08-01T07:08:59","slug":"%d0%b2%d1%8b%d1%81%d0%be%d0%ba%d0%be%d1%82%d0%b5%d0%bc%d0%bf%d0%b5%d1%80%d0%b0%d1%82%d1%83%d1%80%d0%bd%d1%8b%d0%b5-%d0%b1%d0%bb%d0%b8%d0%b7%d0%bd%d0%b5%d1%86%d1%8b-f11-%d0%b8-f12","status":"publish","type":"post","link":"https:\/\/www.kaysuns.com\/ru\/f11-and-f12-high-temp-twins\/","title":{"rendered":"F11 \u0438 F12: \u0432\u044b\u0441\u043e\u043a\u043e\u0442\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u043d\u044b\u0435 \u0431\u043b\u0438\u0437\u043d\u0435\u0446\u044b"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"51480\" class=\"elementor elementor-51480\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-780f2dc elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"780f2dc\" 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-100 elementor-top-column elementor-element elementor-element-8ad79d4\" data-id=\"8ad79d4\" 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-d6b26bb elementor-widget elementor-widget-text-editor\" data-id=\"d6b26bb\" 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>If your piping system is constantly operating at high temperatures, this is where <strong>F11 and F12<\/strong> alloys come in. Standard carbon steel may lack the necessary strength. These alloys are both chromium-molybdenum steels, which are slightly different, but ensure that your <a href=\"https:\/\/www.kaysuns.com\/stainless-steel-pipes\/\" target=\"_blank\" rel=\"noopener\">stainless steel pipes<\/a> and <a href=\"https:\/\/www.kaysuns.com\/stainless-steel-pipe-fittings\/\" target=\"_blank\" rel=\"noopener\">stainless steel pipe fittings<\/a> will perform reliably when subjected to heat.<\/p>\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\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-743c4e8 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"743c4e8\" 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-100 elementor-top-column elementor-element elementor-element-847c551\" data-id=\"847c551\" 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-e670482 elementor-widget elementor-widget-heading\" data-id=\"e670482\" 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\">What Are F11 and F12 Alloys? High-Temperature Specialists!<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6d78881 elementor-widget elementor-widget-text-editor\" data-id=\"6d78881\" 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><a href=\"https:\/\/www.kaysuns.com\/astm-a182-f11-alloy\/\" target=\"_blank\">ASTM A182 F11<\/a> and <a href=\"https:\/\/www.kaysuns.com\/astm-a182-f12-alloy\/\" target=\"_blank\" rel=\"noopener\">ASTM A182 F12<\/a> are low alloy steels designed for high temperature service. They contain <a href=\"https:\/\/www.kaysuns.com\/blog\/how-chromium-works-in-stainless-steel-corrosion-resistance\/\" target=\"_blank\" rel=\"noopener\">chromium<\/a> and <a href=\"https:\/\/www.kaysuns.com\/role-of-molybdenum-in-stainless-steel-pipes-and-fittings\/\" target=\"_blank\" rel=\"noopener\">molybdenum<\/a>, which provide corrosion resistance, while molybdenum improves high-temperature strength and has high creep resistance. These alloys are commonly used in the power generation, oil and gas industries.<\/p>\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\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-a861469 elementor-section-content-middle elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a861469\" 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-6aeea8f\" data-id=\"6aeea8f\" 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-73f7fd6 elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"73f7fd6\" 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\">What We Do<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-51e3429 elementor-drop-cap-yes elementor-widget__width-initial elementor-drop-cap-view-default elementor-widget elementor-widget-text-editor\" data-id=\"51e3429\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;drop_cap&quot;:&quot;yes&quot;}\" 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>\n \t<li><a style=\"color: white;\" href=\"\/stainless-steel-pipes\/\" target=\"_blank\" rel=\"noopener\">Pipes &gt;<\/a><\/li>\n \t<li><a style=\"color: white;\" href=\"\/stainless-steel-pipe-fittings\/\" target=\"_blank\" rel=\"noopener\">Fittings &gt;<\/a><\/li>\n \t<li><a style=\"color: white;\" href=\"\/stainless-steel-flanges\/\" target=\"_blank\" rel=\"noopener\">Flanges &gt;<\/a><\/li>\n \t<li><a style=\"color: white;\" href=\"\/services\/what-we-do\/\" target=\"_blank\" rel=\"noopener\">More &gt;<\/a><\/li>\n<\/ul>\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<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-389d543\" data-id=\"389d543\" 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-3e352ca elementor-align-left elementor-mobile-align-center elementor-widget__width-initial elementor-widget elementor-widget-button\" data-id=\"3e352ca\" 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=\"https:\/\/www.kaysuns.com\/contact-kaysuns\/\" 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\">Get A Quote Now<\/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\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-d6eccbe elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d6eccbe\" 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-100 elementor-top-column elementor-element elementor-element-d2c16e3\" data-id=\"d2c16e3\" 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-0c87421 elementor-widget elementor-widget-heading\" data-id=\"0c87421\" 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\">F11 and F12: Key Differentiators<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fcd2d44 elementor-widget elementor-widget-accordion\" data-id=\"fcd2d44\" 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-2651\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-2651\" 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\">Chromium Content<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2651\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-2651\"><p>F11 has a chromium content of 1.00-1.50% and F12 has a chromium content of 0.80-1.20%. This slight difference affects corrosion and oxidation resistance, so F11 is a little more protective.<\/p><\/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-2652\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"button\" aria-controls=\"elementor-tab-content-2652\" 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\">Molybdenum Content<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2652\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"region\" aria-labelledby=\"elementor-tab-title-2652\"><p>With a molybdenum content of 0.44-0.65%, F11 and F12 have essentially the same molybdenum content. This ensures similar <a href=\"https:\/\/www.kaysuns.com\/what-is-creep-deformation\/\" target=\"_blank\" rel=\"noopener\">creep resistance<\/a> at design temperatures.<\/p><\/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-2653\" class=\"elementor-tab-title\" data-tab=\"3\" role=\"button\" aria-controls=\"elementor-tab-content-2653\" 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\">Strength And Weldability<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2653\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"3\" role=\"region\" aria-labelledby=\"elementor-tab-title-2653\"><p data-sourcepos=\"31:3-31:233\">F11 is generally slightly stronger, while F12 may have slightly better weldability due to its lower degree of alloying. Both require proper <a href=\"https:\/\/www.kaysuns.com\/blog\/process-of-stainless-steel-pipe-welding\/\" target=\"_blank\" rel=\"noopener\">welding procedures<\/a>.<\/p><\/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-2654\" class=\"elementor-tab-title\" data-tab=\"4\" role=\"button\" aria-controls=\"elementor-tab-content-2654\" 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\">Cost Factors<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2654\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"4\" role=\"region\" aria-labelledby=\"elementor-tab-title-2654\"><p>F11 is slightly more expensive, reflecting its slightly higher alloy content. However, both are cost effective when compared to stainless steel.<\/p><\/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-2655\" class=\"elementor-tab-title\" data-tab=\"5\" role=\"button\" aria-controls=\"elementor-tab-content-2655\" 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\">Application Overlap<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2655\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"5\" role=\"region\" aria-labelledby=\"elementor-tab-title-2655\"><p>Both have similar high temperature applications. F11 is often preferred for slightly more demanding conditions, while F11 is more common where higher chromium content is required.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-b317265 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b317265\" 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-100 elementor-top-column elementor-element elementor-element-a63a975\" data-id=\"a63a975\" 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-c6b665a elementor-widget elementor-widget-heading\" data-id=\"c6b665a\" 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\">Key Chemical Composition: F11 VS F12<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ef4d471 elementor-widget elementor-widget-text-editor\" data-id=\"ef4d471\" 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<tbody>\n<tr bgcolor=\"#00a0e9\">\n<th>Element<\/th>\n<th>Cr<\/th>\n<th>Mo<\/th>\n<th>C<\/th>\n<th>Si<\/th>\n<th>Mn<\/th>\n<th>P<\/th>\n<th>S<\/th>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">F11<\/td>\n<td>1.00-1.50<\/td>\n<td>0.44-0.65<\/td>\n<td>0.05-0.15<\/td>\n<td>0.50-1.00<\/td>\n<td>0.30-0.80<\/td>\n<td>\u22640.025<\/td>\n<td>\u22640.025<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">F12<\/td>\n<td>0.80-1.20<\/td>\n<td>0.44-0.65<\/td>\n<td>0.08-0.20<\/td>\n<td>0.50-1.00<\/td>\n<td>0.30-0.80<\/td>\n<td>\u22640.025<\/td>\n<td>\u22640.025<\/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\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-d0a1a08 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d0a1a08\" 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-100 elementor-top-column elementor-element elementor-element-550807f\" data-id=\"550807f\" 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<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-1d21573 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1d21573\" 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-33 elementor-inner-column elementor-element elementor-element-fa35736\" data-id=\"fa35736\" 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-8a1774d elementor-widget elementor-widget-image\" data-id=\"8a1774d\" 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=\"1024\" height=\"1024\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2025\/07\/f11-and-f12-alloy-cta1-1024x1024.webp\" class=\"attachment-large size-large wp-image-51660\" alt=\"f11 and f12 alloy - cta1\" srcset=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2025\/07\/f11-and-f12-alloy-cta1-1024x1024.webp 1024w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2025\/07\/f11-and-f12-alloy-cta1-300x300.webp 300w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2025\/07\/f11-and-f12-alloy-cta1-150x150.webp 150w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2025\/07\/f11-and-f12-alloy-cta1-768x768.webp 768w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2025\/07\/f11-and-f12-alloy-cta1-1536x1536.webp 1536w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2025\/07\/f11-and-f12-alloy-cta1-2048x2048.webp 2048w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2025\/07\/f11-and-f12-alloy-cta1-12x12.webp 12w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\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\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-0a74d6f\" data-id=\"0a74d6f\" 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-787f35f elementor-widget elementor-widget-image\" data-id=\"787f35f\" 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 decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2025\/07\/f11-and-f12-alloy-cta2-1024x1024.webp\" class=\"attachment-large size-large wp-image-51661\" alt=\"f11 and f12 alloy - cta2\" srcset=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2025\/07\/f11-and-f12-alloy-cta2-1024x1024.webp 1024w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2025\/07\/f11-and-f12-alloy-cta2-300x300.webp 300w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2025\/07\/f11-and-f12-alloy-cta2-150x150.webp 150w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2025\/07\/f11-and-f12-alloy-cta2-768x768.webp 768w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2025\/07\/f11-and-f12-alloy-cta2-12x12.webp 12w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2025\/07\/f11-and-f12-alloy-cta2.webp 1080w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\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\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-841705e\" data-id=\"841705e\" 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-f8c4e9b elementor-widget elementor-widget-image\" data-id=\"f8c4e9b\" 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 decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2025\/07\/f11-and-f12-alloy-cta3-1024x1024.webp\" class=\"attachment-large size-large wp-image-51662\" alt=\"f11 and f12 alloy - cta3\" srcset=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2025\/07\/f11-and-f12-alloy-cta3-1024x1024.webp 1024w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2025\/07\/f11-and-f12-alloy-cta3-300x300.webp 300w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2025\/07\/f11-and-f12-alloy-cta3-150x150.webp 150w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2025\/07\/f11-and-f12-alloy-cta3-768x768.webp 768w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2025\/07\/f11-and-f12-alloy-cta3-12x12.webp 12w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2025\/07\/f11-and-f12-alloy-cta3.webp 1080w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\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\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-e6bd1d7 elementor-cta--layout-image-right elementor-cta--skin-classic elementor-animated-content elementor-bg-transform elementor-bg-transform-zoom-in elementor-widget elementor-widget-call-to-action\" data-id=\"e6bd1d7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"call-to-action.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<a class=\"elementor-cta\" href=\"#elementor-action%3Aaction%3Dpopup%3Aopen%26settings%3DeyJpZCI6IjQ2ODEzIiwidG9nZ2xlIjpmYWxzZX0%3D\" target=\"_blank\">\n\t\t\t\t\t\t\t<div class=\"elementor-cta__content\">\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<h2 class=\"elementor-cta__title elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t\tGet Free Fast Quote\t\t\t\t\t<\/h2>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-cta__description elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t\tKAYSUNS provides a package solutions for piping materials such PIPES, FITTINGS, FLANGES, VALVES in stainless steel, duplex steel and alloy steel etc. We will customize the most suitable products for you. If you have any questions about our company and products, please feel free to contact us.\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-cta__button-wrapper elementor-cta__content-item elementor-content-item \">\n\t\t\t\t\t<span class=\"elementor-cta__button elementor-button elementor-size-\">\n\t\t\t\t\t\tGet QUOTE\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\n\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\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4f762fa elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4f762fa\" 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-100 elementor-top-column elementor-element elementor-element-5c88471\" data-id=\"5c88471\" 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-8d13013 elementor-widget elementor-widget-heading\" data-id=\"8d13013\" 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: F11 VS F12<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d5203e0 elementor-widget elementor-widget-text-editor\" data-id=\"d5203e0\" 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<tbody>\n<tr bgcolor=\"#00a0e9\">\n<th>Property<\/th>\n<th>Tensile Strength<\/th>\n<th>Yield Strength<\/th>\n<th>Elongation<\/th>\n<th>Hardness<\/th>\n<th>Operating Temp<\/th>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">F11<\/td>\n<td>\u2265485 MPa (70 ksi)<\/td>\n<td>\u2265275 MPa (40 ksi)<\/td>\n<td>\u226520<\/td>\n<td>\u2264217<\/td>\n<td>Up to 593\u2103(1100\u2109)<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">F12<\/td>\n<td>\u2265485 MPa (70 ksi)<\/td>\n<td>\u2265275 MPa (40 ksi)<\/td>\n<td>\u226520<\/td>\n<td>\u2264207<\/td>\n<td>Up to 593\u2103(1100\u2109)<\/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\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2097804 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2097804\" 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-100 elementor-top-column elementor-element elementor-element-f7e08d7\" data-id=\"f7e08d7\" 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-1406238 elementor-widget elementor-widget-heading\" data-id=\"1406238\" 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\">Applications in High-Temperature Piping Systems<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5a124b7 elementor-widget elementor-widget-text-editor\" data-id=\"5a124b7\" 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>Power Generation: Boiler, superheater and reheater piping. Because they can withstand high steam temperatures and pressures and have good creep resistance.<\/li><li>Petrochemical Industry: Handles hot hydrocarbons and corrosive gases and is commonly used in refineries, <a href=\"https:\/\/www.kaysuns.com\/heat-exchanger-tubing-2\/\" target=\"_blank\" rel=\"noopener\">heat exchangers<\/a> and process piping.<\/li><li>Oil &amp; Gas: High temperature piping and fittings.<\/li><li>Heat Exchangers: F11 and F12 are required for components that come into contact with hot fluids in a variety of industries.<\/li><li>Steam Piping: High pressure steam piping and associated stainless steel fittings.<\/li><\/ul>\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\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-fb47d27 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"fb47d27\" 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 elementor-element-e4f8a10\" data-id=\"e4f8a10\" 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-4e8034a elementor-widget elementor-widget-heading\" data-id=\"4e8034a\" 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\">Contact Us<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-43cf01d elementor-widget-divider--view-line_text elementor-widget-divider--element-align-left elementor-widget elementor-widget-divider\" 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\u0421\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u0430\u044f \u0443\u0433\u043b\u0435\u0440\u043e\u0434\u0438\u0441\u0442\u0430\u044f \u0441\u0442\u0430\u043b\u044c \u043c\u043e\u0436\u0435\u0442 \u043d\u0435 \u043e\u0431\u043b\u0430\u0434\u0430\u0442\u044c \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e\u0439 \u043f\u0440\u043e\u0447\u043d\u043e\u0441\u0442\u044c\u044e. \u042d\u0442\u0438 \u0441\u043f\u043b\u0430\u0432\u044b \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0442 \u0441\u043e\u0431\u043e\u0439 \u0445\u0440\u043e\u043c\u043e\u043c\u043e\u043b\u0438\u0431\u0434\u0435\u043d\u043e\u0432\u044b\u0435 \u0441\u0442\u0430\u043b\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043d\u0435\u043c\u043d\u043e\u0433\u043e \u043e\u0442\u043b\u0438\u0447\u0430\u044e\u0442\u0441\u044f \u0434\u0440\u0443\u0433 \u043e\u0442 \u0434\u0440\u0443\u0433\u0430, \u043d\u043e \u0433\u0430\u0440\u0430\u043d\u0442\u0438\u0440\u0443\u044e\u0442, \u0447\u0442\u043e \u0432\u0430\u0448\u0438 \u0442\u0440\u0443\u0431\u044b \u0438\u0437 \u043d\u0435\u0440\u0436\u0430\u0432\u0435\u044e\u0449\u0435\u0439 \u0441\u0442\u0430\u043b\u0438 \u0438 \u0444\u0438\u0442\u0438\u043d\u0433\u0438 \u0438\u0437 \u043d\u0435\u0440\u0436\u0430\u0432\u0435\u044e\u0449\u0435\u0439 \u0441\u0442\u0430\u043b\u0438 \u0431\u0443\u0434\u0443\u0442 \u043d\u0430\u0434\u0435\u0436\u043d\u043e \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u043f\u0440\u0438 \u0432\u043e\u0437\u0434\u0435\u0439\u0441\u0442\u0432\u0438\u0438...&nbsp;<a href=\"https:\/\/www.kaysuns.com\/ru\/f11-and-f12-high-temp-twins\/\" rel=\"bookmark\">\u0427\u0438\u0442\u0430\u0442\u044c \u0434\u0430\u043b\u0435\u0435 \"<span class=\"screen-reader-text\">F11 \u0438 F12: \u0432\u044b\u0441\u043e\u043a\u043e\u0442\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u043d\u044b\u0435 \u0431\u043b\u0438\u0437\u043d\u0435\u0446\u044b<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":51663,"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":[316,186,51],"tags":[],"class_list":["post-51480","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-stainless-steel-knowledge","category-materials"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>F11 And F12 : High-Temp 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