{"id":58761,"date":"2026-04-10T07:32:37","date_gmt":"2026-04-10T07:32:37","guid":{"rendered":"https:\/\/www.kaysuns.com\/?post_type=blog&#038;p=58761"},"modified":"2026-04-10T07:32:39","modified_gmt":"2026-04-10T07:32:39","slug":"321-321h-stainless-steel-pipe","status":"publish","type":"blog","link":"https:\/\/www.kaysuns.com\/pt\/blog\/321-321h-stainless-steel-pipe\/","title":{"rendered":"321\/321H Stainless Steel Pipe"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"58761\" class=\"elementor elementor-58761\" data-elementor-post-type=\"blog\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6af111d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6af111d\" data-element_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-cb6feca\" data-id=\"cb6feca\" data-element_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-784ceff elementor-widget elementor-widget-heading\" data-id=\"784ceff\" data-element_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\">321 \/ 321H Stainless Steel Pipe<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8e3c85b elementor-widget elementor-widget-text-editor\" data-id=\"8e3c85b\" data-element_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\t321\/<strong>321H stainless steel pipe<\/strong> is a titanium-stabilized austenitic stainless steel known for its exceptional high-temperature resistance and resistance to intergranular corrosion.It is an improved version of <a href=\"https:\/\/www.kaysuns.com\/pt\/blog\/tubo-de-aco-inoxidavel-304-304l\/\" target=\"_blank\" rel=\"noopener\">Tubo de a\u00e7o inoxid\u00e1vel 304<\/a>;the addition of titanium allows it to maintain good chemical stability within the carbide precipitation temperature range of 427\u00b0C to 816\u00b0C (800\u00b0F to 1500\u00b0F).\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-317e5ae e-flex e-con-boxed e-con e-parent\" data-id=\"317e5ae\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0c7851f elementor-widget elementor-widget-heading\" data-id=\"0c7851f\" data-element_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\">Heat Treatment of 321 \/ 321H Stainless Steel Pipe<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a3c173a e-con-full e-flex e-con e-child\" data-id=\"a3c173a\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-cbc2123 e-con-full e-flex e-con e-child\" data-id=\"cbc2123\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4268522 elementor-widget elementor-widget-heading\" data-id=\"4268522\" data-element_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\">Recozimento de solu\u00e7\u00e3o<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2e32631 elementor-widget elementor-widget-text-editor\" data-id=\"2e32631\" data-element_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>Temperatura:<br \/>Heat to 950\u00b0C \u2013 1120\u00b0C (1750\u2109 &#8211; 2050 \u2109).<\/li><li>Process:<br \/>Hold for a time dependent on thickness,followed by rapid cooling (water quenching or forced air) to prevent carbide precipitation.<\/li><li>Purpose:<br \/>Dissolves any precipitated carbides back into the austenite matrix.<\/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-edeb437 e-con-full e-flex e-con e-child\" data-id=\"edeb437\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-70757e0 elementor-widget elementor-widget-heading\" data-id=\"70757e0\" data-element_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\">Al\u00edvio do estresse<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5dc7b74 elementor-widget elementor-widget-text-editor\" data-id=\"5dc7b74\" data-element_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>Temperatura:<br \/>700\u2103 (1290\u2109) for 1 to 2 hours.<br \/><br \/><br \/><\/li><li>Caution:<br \/>Prolonged heating in the 425\u2103 to 815\u2103 range can slightly reduce corrosion resistance if the material was not properly stabilized beforehand.<\/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<div class=\"elementor-element elementor-element-e52bfd7 e-con-full e-flex e-con e-child\" data-id=\"e52bfd7\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-1225f43 e-con-full e-flex e-con e-child\" data-id=\"1225f43\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d543f6d elementor-widget elementor-widget-heading\" data-id=\"d543f6d\" data-element_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\">Stabilization Treatment<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f526916 elementor-widget elementor-widget-text-editor\" data-id=\"f526916\" data-element_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>Temperatura:<br \/>845\u2103 to 900\u2103(1550\u2109 to 1650\u2109).<\/li><li>Process:<br \/>Hold at this temperature for several hours (typically 2\u20134 hours).<\/li><li>Purpose:<br \/>This allows the Titanium to react with any remaining carbon to form Titanium Carbides (TiC).By &#8220;tying up&#8221; the carbon with titanium,it prevents the formation of chromium carbides,ensuring maximum resistance to Intergranular Corrosion (IGC) in severe service conditions.<\/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-4871278 e-con-full e-flex e-con e-child\" data-id=\"4871278\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7753d44 elementor-widget elementor-widget-heading\" data-id=\"7753d44\" data-element_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\">Specific Requirements for 321H<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5a95903 elementor-widget elementor-widget-text-editor\" data-id=\"5a95903\" data-element_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>Grain Size:<br \/>To meet 321H specifications (ASTM A312),the solution annealing temperature must be high enough (typically above 1040\u2103) to ensure a coarse grain size (ASTM No. 7 or coarser).<br \/><br \/><\/li><li>Mechanical Strength:<br \/>The higher carbon content (0.04 &#8211; 0.10%) requires precise temperature control to balance strength and ductility at temperatures exceeding 537\u2103 (1000\u2109).<\/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<div class=\"elementor-element elementor-element-c386387 e-flex e-con-boxed e-con e-parent\" data-id=\"c386387\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-513285b elementor-widget elementor-widget-heading\" data-id=\"513285b\" data-element_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\">321 \/ 321H Stainless Steel Pipe Chemical Composition<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7999cfe e-con-full e-flex e-con e-child\" data-id=\"7999cfe\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-7a68a56 e-con-full e-flex e-con e-child\" data-id=\"7a68a56\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-67bddb0 elementor-widget elementor-widget-text-editor\" data-id=\"67bddb0\" data-element_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>Elemento (%)<\/th>\n<th>321 (S32100)<\/th>\n<th>321H (S32109)<\/th>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">C<\/td>\n<td>\u2264 0.08%<\/td>\n<td>0.04% \u2013 0.10%<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Mn<\/td>\n<td>\u2264 2.00%<\/td>\n<td>\u2264 2.00%<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">P<\/td>\n<td>\u2264 0.045%<\/td>\n<td>\u2264 0.045%<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">S<\/td>\n<td>\u2264 0.030%<\/td>\n<td>\u2264 0.030%<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Si<\/td>\n<td>\u2264 1.00%<\/td>\n<td>\u2264 1.00%<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Cr<\/td>\n<td>17.0% \u2013 19.0%<\/td>\n<td>17.0% \u2013 19.0%<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Ni<\/td>\n<td>9.0% \u2013 12.0%<\/td>\n<td>9.0% \u2013 12.0%<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Ti<\/td>\n<td>5 \u00d7 (C + N) to 0.70%<\/td>\n<td>4 \u00d7 C to 0.70%<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">N<\/td>\n<td>\u2264 0.10%<\/td>\n<td>\u2264 0.10%<\/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-4c2e19a e-con-full e-flex e-con e-child\" data-id=\"4c2e19a\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-267e947 elementor-widget elementor-widget-image\" data-id=\"267e947\" data-element_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=\"1024\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2026\/04\/321-321H-Stainless-Steel-Pipe-768x1024.webp\" class=\"attachment-medium_large size-medium_large wp-image-58798\" alt=\"321 321H Stainless Steel Pipe\" srcset=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2026\/04\/321-321H-Stainless-Steel-Pipe-768x1024.webp 768w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2026\/04\/321-321H-Stainless-Steel-Pipe-225x300.webp 225w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2026\/04\/321-321H-Stainless-Steel-Pipe-1152x1536.webp 1152w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2026\/04\/321-321H-Stainless-Steel-Pipe-1536x2048.webp 1536w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2026\/04\/321-321H-Stainless-Steel-Pipe-9x12.webp 9w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2026\/04\/321-321H-Stainless-Steel-Pipe-scaled.webp 1920w\" 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>\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-94a7732 e-flex e-con-boxed e-con e-parent\" data-id=\"94a7732\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7be7bcb elementor-widget elementor-widget-heading\" data-id=\"7be7bcb\" data-element_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\">321 \/ 321H Stainless Steel Pipe Mechanical Properties<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-feb4083 elementor-widget elementor-widget-text-editor\" data-id=\"feb4083\" data-element_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>Propriedade<\/th>\n<th>321 (S32100)<\/th>\n<th>321H (S32109)<\/th>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Resist\u00eancia \u00e0 tra\u00e7\u00e3o, m\u00edn.<\/td>\n<td>\u2265 515 MPa<\/td>\n<td>\u2265 515 MPa<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Resist\u00eancia ao escoamento (0,2% Offset), m\u00edn.<\/td>\n<td>\u2265 205 MPa<\/td>\n<td>\u2265 205 MPa<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Alongamento (em 2 pol. ou 50 mm), m\u00edn.<\/td>\n<td>\u2265 35%<\/td>\n<td>\u2265 35%<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Dureza, m\u00e1x.<\/td>\n<td>\u2264 192 HBW<\/td>\n<td>\u2264 192 HBW<\/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\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-dc3a527 elementor-section-content-middle elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"dc3a527\" data-element_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-437d186\" data-id=\"437d186\" data-element_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-1724cda elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"1724cda\" data-element_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\">O que fazemos<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8a9f977 elementor-drop-cap-yes elementor-widget__width-initial elementor-drop-cap-view-default elementor-widget elementor-widget-text-editor\" data-id=\"8a9f977\" data-element_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><li>Placa<\/li><li>Folha<\/li><li>Forjados<\/li><li>Barra redonda<\/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-21a2b69 elementor-drop-cap-yes elementor-widget__width-initial elementor-drop-cap-view-default elementor-widget elementor-widget-text-editor\" data-id=\"21a2b69\" data-element_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><li>Mesa<\/li><li>Tubos<\/li><li>Conex\u00f5es<\/li><li>Personalizado<\/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<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-0389b4a\" data-id=\"0389b4a\" data-element_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-083523a elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"083523a\" data-element_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>Entre em contato conosco para obter mais informa\u00e7\u00f5es\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-8f2ca2c elementor-align-center elementor-mobile-align-center elementor-widget__width-initial elementor-widget elementor-widget-button\" data-id=\"8f2ca2c\" data-element_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\">Contate-nos<\/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-e6b884a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e6b884a\" data-element_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-0f91c92\" data-id=\"0f91c92\" data-element_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-c38dc10 elementor-widget elementor-widget-heading\" data-id=\"c38dc10\" data-element_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\">Manufacturing Standards for 321 \/ 321H Stainless Steel Pipe<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-984f144 elementor-widget elementor-widget-text-editor\" data-id=\"984f144\" data-element_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>ASTM A312 \/ ASME SA312:<br \/>Covers seamless,welded,and heavily cold-worked austenitic stainless steel tubes.Primarily used for high-temperature and general corrosive service.<\/li><li>ASTM A213 \/ ASME SA213:<br \/>Covers seamless ferritic and austenitic alloy steel boiler tubes, superheater tubes,and heat exchanger tubes.Imposes stricter requirements on dimensional tolerances and mechanical properties.<\/li><li>ASTM A269:<br \/>Seamless and welded austenitic stainless steel instrument and fluid tubes for general purposes.<\/li><li>ASTM A358 \/ ASME SA358:<br \/>Electric fusion-welded (EFW) austenitic stainless steel tubes,suitable for high-temperature and high-pressure applications (typically large-diameter tubes).<\/li><li>ASTM A409:<br \/>Welded large-diameter,thin-walled tubes for corrosive or high-temperature service.<\/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<div class=\"elementor-element elementor-element-bee9276 e-flex e-con-boxed e-con e-parent\" data-id=\"bee9276\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-d838adc e-con-full e-flex e-con e-child\" data-id=\"d838adc\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-124057e elementor-widget elementor-widget-heading\" data-id=\"124057e\" data-element_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\">Caracter\u00edsticas<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-853c8ba elementor-widget elementor-widget-text-editor\" data-id=\"853c8ba\" data-element_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>Titanium Stabilization<\/li><li>Intergranular Corrosion Resistance<\/li><li>Alta resist\u00eancia \u00e0 deforma\u00e7\u00e3o<\/li><li>Resist\u00eancia \u00e0 oxida\u00e7\u00e3o<\/li><li>Formability &amp; 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-1f4fc4d e-con-full e-flex e-con e-child\" data-id=\"1f4fc4d\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8361b9b elementor-widget elementor-widget-heading\" data-id=\"8361b9b\" data-element_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\">Aplica\u00e7\u00f5es<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8bd8d3a elementor-widget elementor-widget-text-editor\" data-id=\"8bd8d3a\" data-element_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>Aeroespacial<\/li><li>Petro-Chemical<\/li><li>Gera\u00e7\u00e3o de energia<\/li><li>Controle da polui\u00e7\u00e3o<\/li><li>Fornos industriais<\/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\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9ea1b72 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9ea1b72\" data-element_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-147f6d9\" data-id=\"147f6d9\" data-element_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-08f7d71 elementor-widget elementor-widget-heading\" data-id=\"08f7d71\" data-element_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 Capabilities Regarding 321\/321H Stainless Steel Pipe<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-42a02ad elementor-widget elementor-widget-heading\" data-id=\"42a02ad\" data-element_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\">Manufacturing Excellence<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-99d0aed elementor-widget elementor-widget-text-editor\" data-id=\"99d0aed\" data-element_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\tManufactured using hot extrusion or cold drawing\/cold rolling processes to ensure the integrity of the pipe body under high-pressure conditions,our seamless pipes comply with ASTM A312\/A213 standards.We offer welded pipes\u2014including those produced via automatic welding (TIG\/plasma welding) and electric fusion welding (EFW,ASTM A358)\u2014to meet the requirements of large-diameter engineering projects.\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-981bc7c elementor-widget elementor-widget-text-editor\" data-id=\"981bc7c\" data-element_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\tKaysuns is equipped with advanced continuous solution annealing furnaces and strictly adheres to solution annealing at temperatures above 1040\u00b0C.We provide precise stabilization heat treatment for 321H to ensure the full formation of titanium carbides.\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-daeb79d elementor-widget elementor-widget-text-editor\" data-id=\"daeb79d\" data-element_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\tCapable of producing 321H-grade steel tubes that meet the grain size requirements of ASTM No. 7 or coarser,ensuring creep strength at ultra-high 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-ef8eab1 elementor-widget elementor-widget-heading\" data-id=\"ef8eab1\" data-element_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\">Supply &amp; Logistics<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-302e21c elementor-widget elementor-widget-text-editor\" data-id=\"302e21c\" data-element_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><tbody><tr><td bgcolor=\"#00a0e9\">Produto<\/td><td bgcolor=\"#05B8E4\">Tubos e tubos de a\u00e7o inoxid\u00e1vel<\/td><\/tr><tr><td bgcolor=\"#00a0e9\">Grau<\/td><td bgcolor=\"#05B8E4\">321 | 1.4541 \uff0c321H | 1.4878<\/td><\/tr><tr><td bgcolor=\"#00a0e9\">Dimens\u00e3o<\/td><td bgcolor=\"#05B8E4\">1\/2\" ~ 24\" para smls, 6\" ~ 104\" para tubo EFW<br \/><a href=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/08\/Dimension-and-Wall-Thickness-To-ANSI-B36.19-B36.10.pdf\" target=\"_blank\" rel=\"noopener\">As dimens\u00f5es dos tubos de a\u00e7o inoxid\u00e1vel est\u00e3o em conformidade com as normas ASME B36.19\/B36.10.<\/a><\/td><\/tr><tr><td bgcolor=\"#00a0e9\">Cronograma<\/td><td bgcolor=\"#05B8E4\">SCH10S, SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS<\/td><\/tr><tr><td bgcolor=\"#00a0e9\">Modelo<\/td><td bgcolor=\"#05B8E4\">Sem costura \/ Soldado<\/td><\/tr><tr><td bgcolor=\"#00a0e9\">Manfaucturing Craft<\/td><td bgcolor=\"#05B8E4\">Trefilado a frio, Laminado a frio (ERW\/EFW para soldado)<\/td><\/tr><tr><td bgcolor=\"#00a0e9\">Ponta do tubo<\/td><td bgcolor=\"#05B8E4\">Extremidade plana, Extremidade chanfrada, Pisa<\/td><\/tr><tr><td bgcolor=\"#00a0e9\">Condi\u00e7\u00f5es de entrega<\/td><td bgcolor=\"#05B8E4\">Solu\u00e7\u00f5es de recozimento, recozimento brilhante<\/td><\/tr><\/tbody><\/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-c90fb69 elementor-widget elementor-widget-text-editor\" data-id=\"c90fb69\" data-element_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 products comply with international standards (ASTM\/ASME,EN 1.4541\/1.4878,DIN,JIS,GOST),making them suitable for bidding on major global EPC projects.We maintain a stock of common 321 and 321H specifications to shorten lead times,while also offering customized production services for special lengths or tolerance requirements.\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-d92107f elementor-widget elementor-widget-heading\" data-id=\"d92107f\" data-element_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\">Garantia de qualidade<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-26de5ac elementor-widget elementor-widget-text-editor\" data-id=\"26de5ac\" data-element_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\tEach batch of products undergoes testing in our physical and chemical laboratory and is accompanied by an MTC,in compliance with EN 10204,Section 3.1 or 3.2.<br \/>\n100% of products pass eddy current testing (ET),ultrasonic testing (UT),or hydrostatic testing.<br \/>\nUpon customer request,we can perform intergranular corrosion testing in accordance with ASTM A262 Practice E to verify the effectiveness of titanium stabilization.\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-df75fe6 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"df75fe6\" data-element_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-d642294\" data-id=\"d642294\" data-element_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-0c7fb25 elementor-widget elementor-widget-heading\" data-id=\"0c7fb25\" data-element_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\">Contate-nos<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8895aba elementor-widget-divider--view-line_text elementor-widget-divider--element-align-left elementor-widget elementor-widget-divider\" data-id=\"8895aba\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t\t<span class=\"elementor-divider__text elementor-divider__element\">\n\t\t\t\tEntre em contato\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f82fc6e elementor-align-start elementor-widget__width-initial elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" 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href=\"mailto:sales@kaysuns.com\" target=\"_blank\">\n\n\t\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-envelope-square\"><\/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\">sales@kaysuns.com<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\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<a href=\"https:\/\/www.kaysuns.com\/pt\/\" target=\"_blank\">\n\n\t\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-book-reader\"><\/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\">https:\/\/www.kaysuns.com\/<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\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 class=\"elementor-element elementor-element-0f9c30c elementor-widget-divider--view-line_text 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