{"id":56716,"date":"2026-01-21T03:13:07","date_gmt":"2026-01-21T03:13:07","guid":{"rendered":"https:\/\/www.kaysuns.com\/?post_type=blog&#038;p=56716"},"modified":"2026-02-03T06:15:18","modified_gmt":"2026-02-03T06:15:18","slug":"sch-40-vs-sch-40s","status":"publish","type":"blog","link":"https:\/\/www.kaysuns.com\/pt\/blog\/sch-40-vs-sch-40s\/","title":{"rendered":"SCH 40 VS SCH 40S, qual \u00e9 a diferen\u00e7a?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"56716\" class=\"elementor elementor-56716\" data-elementor-post-type=\"blog\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8657ac1 e-flex e-con-boxed e-con e-parent\" data-id=\"8657ac1\" 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-87a6bc1 elementor-widget elementor-widget-text-editor\" data-id=\"87a6bc1\" 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<strong>SCH 40 VS SCH 40S<\/strong>:At first glance,these two terms appear nearly identical.However,that single letter \u201cS\u201d carries significant implications regarding material standards and wall thickness dimensions.Selecting the wrong specification may lead to compatibility issues between <a href=\"https:\/\/www.kaysuns.com\/stainless-steel-pipes\/\" target=\"_blank\" rel=\"noopener\">stainless steel pipes<\/a>,flanges,and valves.This guide will clarify the relationship between these specifications,helping you maintain a high-performance piping infrastructure.\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-6b1242d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6b1242d\" 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-f09ff51\" data-id=\"f09ff51\" 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-842f9c3 elementor-widget elementor-widget-heading\" data-id=\"842f9c3\" 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\">SCH 40 VS SCH 40S:The \"S\" in Pipe Schedules<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fff7911 elementor-widget elementor-widget-text-editor\" data-id=\"fff7911\" 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 &#8220;S&#8221; stands for &#8220;Stainless Steel&#8221; according to ASME B36.19 standards.Conversely,schedules without the &#8220;S&#8221; typically follow the ASME B36.10 standard,which covers carbon steel pipes.\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-396f99a elementor-widget elementor-widget-text-editor\" data-id=\"396f99a\" 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\tHistorically,engineers created the &#8220;S&#8221; schedules to save costs on expensive alloys.Since stainless steel offers superior corrosion resistance,it does not require the same &#8220;corrosion allowance&#8221; as carbon steel.Therefore,many &#8220;S&#8221; schedules feature thinner walls than their carbon steel counterparts.However,for schedule 40 specifically,the dimensions often overlap depending on the pipe size.\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-35f8e5b elementor-section-content-middle elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"35f8e5b\" 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-bbe0e35\" data-id=\"bbe0e35\" 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-e2dfc8d elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"e2dfc8d\" 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-335f22d elementor-drop-cap-yes elementor-widget__width-initial elementor-drop-cap-view-default elementor-widget elementor-widget-text-editor\" data-id=\"335f22d\" 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><li>Plate<\/li><li>Sheet<\/li><li>Forgings<\/li><li>Round Bar<\/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-d624fa0 elementor-drop-cap-yes elementor-widget__width-initial elementor-drop-cap-view-default elementor-widget elementor-widget-text-editor\" data-id=\"d624fa0\" 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><li>Flange<\/li><li>Pipes<\/li><li>Fittings<\/li><li>Customized<\/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-89f73cd\" data-id=\"89f73cd\" 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-8593e7b elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"8593e7b\" 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-0bc1260 elementor-align-center elementor-mobile-align-center elementor-widget__width-initial elementor-widget elementor-widget-button\" data-id=\"0bc1260\" 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\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6d250d6 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6d250d6\" 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-2b95aa4\" data-id=\"2b95aa4\" 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-4130fe0 elementor-widget elementor-widget-heading\" data-id=\"4130fe0\" 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\">SCH 40 VS SCH 40S:Dimensional Comparison<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8a29f7c elementor-widget elementor-widget-text-editor\" data-id=\"8a29f7c\" 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\tWhen comparing <a href=\"https:\/\/www.kaysuns.com\/blog\/sch-40-pipe\/\" target=\"_blank\" rel=\"noopener\">SCH 40 Pipe<\/a> and <a href=\"https:\/\/www.kaysuns.com\/blog\/sch-40s-pipe\/\" target=\"_blank\" rel=\"noopener\">SCH 40S Pipe<\/a>,you must look at the nominal size (NPS).For many common sizes,the wall thickness for both schedules is exactly the same.For example,a 2-inch pipe has a wall thickness of 0.154 inches in both categories.\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-d9e4e62 elementor-widget elementor-widget-text-editor\" data-id=\"d9e4e62\" 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\tHowever,the dimensions begin to diverge as the pipe size increases.In larger diameters,SCH 40 (Carbon Steel) usually becomes thicker than SCH 40S (Stainless Steel).This distinction is vital when you are welding a flange joint.If the pipe wall is thinner than the flange hub,you will face alignment challenges during welding stainless steel procedures.\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-af1f4a4 elementor-widget elementor-widget-heading\" data-id=\"af1f4a4\" 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\">Wall Thickness Data Table (NPS 1\/2 to 12)<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-78b8ce8 elementor-widget elementor-widget-text-editor\" data-id=\"78b8ce8\" 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>Nominal Pipe Size (NPS)<\/th>\n<th>Outside Diameter (OD)<\/th>\n<th>SCH 40 Wall Thickness<\/th>\n<th>SCH 40S Wall Thickness<\/th>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">1\/2&#8243;<\/td>\n<td>0.840&#8243;<\/td>\n<td colspan=\"2\">0.109&#8243;<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">2&#8243;<\/td>\n<td>2.375&#8243;<\/td>\n<td colspan=\"2\">0.154&#8243;<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">8&#8243;<\/td>\n<td>8.625&#8243;<\/td>\n<td colspan=\"2\">0.322&#8243;<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">10&#8243;<\/td>\n<td>10.750&#8243;<\/td>\n<td>0.365&#8243;<\/td>\n<td>0.312&#8243;<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">12&#8243;<\/td>\n<td>12.750&#8243;<\/td>\n<td>0.406&#8243;<\/td>\n<td>0.312&#8243;<\/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-aa2aa06 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"aa2aa06\" 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-504244c\" data-id=\"504244c\" 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-d6a30c5 elementor-widget elementor-widget-heading\" data-id=\"d6a30c5\" 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\">Pressure Ratings and Material Strength<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-97467c2 elementor-widget elementor-widget-text-editor\" data-id=\"97467c2\" 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 wall thickness directly affects the pressure-bearing capacity of your system.Even if the dimensions match,a stainless steel pipe in SCH 40S might have a different pressure rating than a carbon steel pipe in SCH 40.\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-7072d66 elementor-widget elementor-widget-text-editor\" data-id=\"7072d66\" 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\tThis difference occurs because stainless steel and carbon steel have different allowable stress values at various temperatures.For high-pressure steam or chemical transport,you must verify the specific grade,such as 304L or 316L.Thinner walls in larger SCH 40S sizes mean you must be careful with vacuum conditions or external pressure loads.Always cross-reference your stainless steel pipe fittings to ensure they match the schedule of the pipe.\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-c1866ad e-flex e-con-boxed e-con e-parent\" data-id=\"c1866ad\" 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-4dc1ff8 elementor-cta--layout-image-left elementor-cta--mobile-layout-image-above elementor-cta--skin-classic elementor-animated-content elementor-widget elementor-widget-call-to-action\" data-id=\"4dc1ff8\" 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<div class=\"elementor-cta__bg-wrapper\">\n\t\t\t\t<div class=\"elementor-cta__bg elementor-bg\" style=\"background-image: url(https:\/\/www.kaysuns.com\/wp-content\/uploads\/2026\/01\/SCH-40-VS-SCH-40S-CTA.webp);\" role=\"img\" aria-label=\"SCH 40 VS SCH 40S - CTA\"><\/div>\n\t\t\t\t<div class=\"elementor-cta__bg-overlay\"><\/div>\n\t\t\t<\/div>\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\tFeel Free To Contact Us\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 offers package solutions for piping materials such as Pipes, Fittings, Flanges, Valves, Plates, Forgings, Ingots of Stainless Steel, Duplex and Alloy Steels, all kinds of Fasteners (Bolts, Nuts, Flat Washers, Bullet Washers) and other products. We accept customized service for our products and some of them can be supplied in small quantities. 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\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-781f555 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"781f555\" 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-83c82f6\" data-id=\"83c82f6\" 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-9780278 elementor-widget elementor-widget-heading\" data-id=\"9780278\" 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\">Impact on Fittings, Flanges, and Valves<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9477399 elementor-widget elementor-widget-text-editor\" data-id=\"9477399\" 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\tYour choice between SCH 40 and SCH 40S ripples through the entire hardware chain.If you order a SCH 40 flange for a 12-inch SCH 40S pipe,the internal diameters will not match.This creates a &#8220;lip&#8221; or &#8220;shoulder&#8221; inside the pipe.\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-8b414d1 elementor-widget elementor-widget-text-editor\" data-id=\"8b414d1\" 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>This mismatch causes two major problems:<\/p><ul><li data-path-to-node=\"19,0,0\"><b data-path-to-node=\"19,0,0\" data-index-in-node=\"0\">Turbulence:<\/b>The uneven surface disrupts fluid flow and causes erosion.<\/li><li data-path-to-node=\"19,1,0\"><b data-path-to-node=\"19,1,0\" data-index-in-node=\"0\">Hygienic Issues:<\/b>In food or pharma lines,the gap traps bacteria and prevents proper cleaning.<\/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-37ac12b elementor-widget elementor-widget-text-editor\" data-id=\"37ac12b\" 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\tTherefore,when ordering SS pipe fittings,be sure to specify the \u201cS\u201d designation.Taking this step ensures smooth transitions throughout the system,thereby safeguarding the integrity of each flanged joint.\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-63577b1 elementor-widget elementor-widget-heading\" data-id=\"63577b1\" 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\">Application Summary<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-193d7ff elementor-widget elementor-widget-text-editor\" data-id=\"193d7ff\" 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>Requirement<\/th>\n<th>Preferred Schedule<\/th>\n<th>Reason<\/th>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">High Corrosion Resistance<\/td>\n<td rowspan=\"2\">SCH 40S<\/td>\n<td>Utilizes Stainless Steel alloys (304\/316)<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Weight Sensitive Projects<\/td>\n<td>Thinner walls in large sizes reduce total weight<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Large Diameter Pressure<\/td>\n<td rowspan=\"2\">SCH 40<\/td>\n<td>Offers thicker walls in sizes above NPS 10<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">General Structural Use<\/td>\n<td>Standardized dimensions for carbon steel<\/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-fa0eb56 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"fa0eb56\" 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-759553f\" data-id=\"759553f\" 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-f36318f elementor-widget elementor-widget-heading\" data-id=\"f36318f\" 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\">SCH 40 vs SCH 40S:Welding Challenges<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-95c4c22 elementor-widget elementor-widget-text-editor\" data-id=\"95c4c22\" 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\tWelding stainless steel on SCH 40S requires a different approach than welding carbon steel.Stainless steel retains heat longer and expands more rapidly.Since SCH 40S pipes can be thinner in larger sizes,the risk of &#8220;burn-through&#8221; increases.\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-5dd5287 elementor-widget elementor-widget-text-editor\" data-id=\"5dd5287\" 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\tKaysuns technicians must use lower heat input and specialized shielding gases like Argon.Furthermore,the root pass must be perfect to maintain the passive layer inside the pipe.If you are joining a SCH 40S pipe to a SCH 40 component,you must use specialized transition pieces or buttering layers to manage the metallurgical and dimensional differences.\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-06be2a9 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"06be2a9\" 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 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