{"id":58258,"date":"2026-03-19T02:51:40","date_gmt":"2026-03-19T02:51:40","guid":{"rendered":"https:\/\/www.kaysuns.com\/?post_type=blog&#038;p=58258"},"modified":"2026-03-19T02:54:38","modified_gmt":"2026-03-19T02:54:38","slug":"%d0%b8%d1%81%d0%bf%d1%8b%d1%82%d0%b0%d0%bd%d0%b8%d0%b5-%d0%bd%d0%b0-%d1%82%d0%b2%d0%b5%d1%80%d0%b4%d0%be%d1%81%d1%82%d1%8c-%d1%82%d1%80%d1%83%d0%b1-%d0%b8-%d1%84%d0%b8%d1%82%d0%b8%d0%bd%d0%b3%d0%be","status":"publish","type":"blog","link":"https:\/\/www.kaysuns.com\/ru\/blog\/hardness-testing-of-ss-tubes-and-fittings\/","title":{"rendered":"\u0418\u0441\u043f\u044b\u0442\u0430\u043d\u0438\u044f \u043d\u0430 \u0442\u0432\u0435\u0440\u0434\u043e\u0441\u0442\u044c \u0442\u0440\u0443\u0431 \u0438 \u0444\u0438\u0442\u0438\u043d\u0433\u043e\u0432 \u0438\u0437 \u043d\u0435\u0440\u0436\u0430\u0432\u0435\u044e\u0449\u0435\u0439 \u0441\u0442\u0430\u043b\u0438"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"58258\" class=\"elementor elementor-58258\" data-elementor-post-type=\"blog\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a4cfadb e-flex e-con-boxed e-con e-parent\" data-id=\"a4cfadb\" 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-48daa2d elementor-widget elementor-widget-text-editor\" data-id=\"48daa2d\" 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<b data-path-to-node=\"1\" data-index-in-node=\"0\">Hardness testing of SS tubes<\/b> and fittings ensures that your industrial piping components can withstand high mechanical stress.Many people focus only on the chemical mix of stainless steel.However,the physical strength and &#8220;temper&#8221; of the metal are equally important for safety.Hardness refers to a material&#8217;s resistance to localized plastic deformation.In simpler terms,it measures how well the steel resists scratches,dents,or wear.\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-6aa1969 e-flex e-con-boxed e-con e-parent\" data-id=\"6aa1969\" 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-c59ebc0 elementor-widget elementor-widget-heading\" data-id=\"c59ebc0\" 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\">Why is Hardness Testing of SS Tubes Necessary?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b4e4685 elementor-widget elementor-widget-text-editor\" data-id=\"b4e4685\" 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 main goal of hardness testing of SS tubes is to verify proper heat treatment.During manufacturing,stainless steel undergoes processes like annealing or welding.If the cooling process happens too fast,the metal becomes brittle.Brittle pipes can crack suddenly under pressure.Conversely,if the metal is too soft,it may deform or wear out prematurely.\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-897d646 elementor-widget elementor-widget-text-editor\" data-id=\"897d646\" 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\tMoreover,different industrial environments require specific hardness levels.For example,high-pressure gas lines need a balance between strength and flexibility.By performing a hardness test,we confirm that the material meets the required ASTM or ASME standards.\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-0d75aa4 elementor-widget elementor-widget-text-editor\" data-id=\"0d75aa4\" 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>Stainless Steel Tubing:<br \/>Pay close attention to the longitudinal surfaces and ends of the tubing.<\/li><li>Stainless Steel Fittings:<br \/>Conduct hardness tests on stainless steel elbows and tees,as the forming process alters the metal\u2019s grain structure.<\/li><li>Stainless Steel Flanges:<br \/>The hardness of the gasket contact surface on forged flanges must be uniform to ensure a perfect seal.<\/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\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-255741c elementor-section-content-middle elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"255741c\" 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-ab67d71\" data-id=\"ab67d71\" 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-9557e01 elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"9557e01\" 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-0c4de44 elementor-drop-cap-yes elementor-widget__width-initial elementor-drop-cap-view-default elementor-widget elementor-widget-text-editor\" data-id=\"0c4de44\" 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-42b345b elementor-drop-cap-yes elementor-widget__width-initial elementor-drop-cap-view-default elementor-widget elementor-widget-text-editor\" data-id=\"42b345b\" 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-e6e7599\" data-id=\"e6e7599\" 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-85e715c elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"85e715c\" 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-caea3bc elementor-align-center elementor-mobile-align-center elementor-widget__width-initial elementor-widget elementor-widget-button\" data-id=\"caea3bc\" 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-4e5226f e-flex e-con-boxed e-con e-parent\" data-id=\"4e5226f\" 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-7a2c35a elementor-widget elementor-widget-heading\" data-id=\"7a2c35a\" 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\">Common Methods for Hardness Testing of SS Pipes<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c515dce elementor-widget elementor-widget-heading\" data-id=\"c515dce\" 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\">1. Rockwell Hardness Test (HRB\/HRC)<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5bb40d9 elementor-widget elementor-widget-text-editor\" data-id=\"5bb40d9\" 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 is the most common method for hardness testing of <a href=\"\/stainless-steel-pipes\" target=\"_blank\" rel=\"noopener\">stainless steel pipes<\/a>.A diamond cone or a steel ball presses into the surface.The machine measures the depth of the dent.It is fast,accurate,and provides a direct digital reading.\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-31608ee elementor-widget elementor-widget-heading\" data-id=\"31608ee\" 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\">2. Brinell Hardness Test (HBW)<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dc9fda0 elementor-widget elementor-widget-text-editor\" data-id=\"dc9fda0\" 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\tFor larger fittings or heavy-wall pipes,we use the Brinell method.It uses a larger carbide ball and a higher load.This makes it ideal for testing materials with a coarse grain structure.\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-5df5d8e elementor-widget elementor-widget-heading\" data-id=\"5df5d8e\" 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\">3. Vickers Hardness Test (HV)<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c4ad251 elementor-widget elementor-widget-text-editor\" data-id=\"c4ad251\" 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\tTechnicians use Vickers for very thin tubes or specific weld zones.It uses a pyramid-shaped diamond.Because the indentation is tiny,it provides extremely precise data for laboratory analysis.\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-75e1cad elementor-widget elementor-widget-heading\" data-id=\"75e1cad\" 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\">Comparison of Hardness Testing Methods<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b6530ef elementor-widget elementor-widget-text-editor\" data-id=\"b6530ef\" 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>Method<\/th>\n<th>Indenter Type<\/th>\n<th>Best Used For<\/th>\n<th>Industry Standard<\/th>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Rockwell<\/td>\n<td>Diamond Cone\/Ball<\/td>\n<td>Fast field testing of pipes<\/td>\n<td>ASTM E18<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Brinell<\/td>\n<td>Carbide Ball<\/td>\n<td>Forgings and large flanges<\/td>\n<td>ASTM E10<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Vickers<\/td>\n<td>Diamond Pyramid<\/td>\n<td>Thin-walled SS tubes<\/td>\n<td>ASTM E384<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Leeb<\/td>\n<td>Rebound Body<\/td>\n<td>Large, installed systems<\/td>\n<td>ASTM A956<\/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<div class=\"elementor-element elementor-element-4fef0c1 e-flex e-con-boxed e-con e-parent\" data-id=\"4fef0c1\" 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-52990af elementor-widget elementor-widget-heading\" data-id=\"52990af\" 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\">Equipment for Hardness Testing of SS Fittings<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0c4f9a1 elementor-widget elementor-widget-text-editor\" data-id=\"0c4f9a1\" 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\tTo provide a total solution,a <a href=\"\/\" target=\"_blank\" rel=\"noopener\">professional supplier<\/a> must use calibrated,high-precision equipment.In the past,machines were bulky and stayed in the lab.Today,Kaysuns use portable digital testers for on-site hardness testing of SS pipes,fittings and flanges.\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-87ffb5a elementor-widget elementor-widget-text-editor\" data-id=\"87ffb5a\" 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>\n \t<li data-path-to-node=\"23,0,0\"><b data-path-to-node=\"23,0,0\" data-index-in-node=\"0\">Benchtop Testers:\n<\/b>These provide the highest accuracy for small samples in a controlled environment.<\/li>\n \t<li data-path-to-node=\"23,1,0\"><b data-path-to-node=\"23,1,0\" data-index-in-node=\"0\">Portable Ultrasonic Testers:\n<\/b>These allow us to test installed pipes without leaving a visible mark.<\/li>\n \t<li data-path-to-node=\"23,2,0\"><b data-path-to-node=\"23,2,0\" data-index-in-node=\"0\">Leeb Rebound Testers:\n<\/b>These are perfect for heavy flanges.They measure how a small &#8220;impact body&#8221; bounces off the metal surface.<\/li>\n<\/ul>\nBefore testing hardness,we typically perform a <a href=\"https:\/\/www.kaysuns.com\/blog\/what-is-pmi-testing-of-ss-pipes-fittings-flanges\/\" target=\"_blank\">PMI test<\/a> to verify that the alloy grade is correct.\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-902d98a e-flex e-con-boxed e-con e-parent\" data-id=\"902d98a\" 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-3fc9f22 elementor-widget elementor-widget-heading\" data-id=\"3fc9f22\" 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\">Strategic Benefits of Hardness Validation<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c154b81 elementor-widget elementor-widget-text-editor\" data-id=\"c154b81\" 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>Benefit<\/th>\n<th>Technical Reason<\/th>\n<th>Business Impact<\/th>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Wear Resistance<\/td>\n<td>Correct hardness reduces friction damage.<\/td>\n<td>Lower maintenance costs<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Strength Verification<\/td>\n<td>Confirms the material can handle the load.<\/td>\n<td>Prevents system failure<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Uniformity<\/td>\n<td>Ensures all fittings match the pipe strength.<\/td>\n<td>Easier installation<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Code Compliance<\/td>\n<td>Meets global safety regulations (ASME\/API).<\/td>\n<td>Simplified insurance audits<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Weld Quality<\/td>\n<td>Detects &#8220;Hard Zones&#8221; in the weld area.<\/td>\n<td>Prevents stress cracking<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\nAfter the hardness test,many high-end projects also require a <a href=\"https:\/\/www.kaysuns.com\/blog\/hydro-test-of-stainless-steel-pipes-fittings-flanges\/\" target=\"_blank\">hydro test<\/a>.This pressure check proves that the hardened and verified pipes can actually hold the liquid without leaking.\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-9e5d339 e-flex e-con-boxed e-con e-parent\" data-id=\"9e5d339\" 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-8caea25 elementor-widget elementor-widget-heading\" data-id=\"8caea25\" 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\">Detailed Hardness Limits for Common SS Grades<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7229b30 elementor-widget elementor-widget-text-editor\" data-id=\"7229b30\" 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>SS Grade<\/th>\n<th>Rockwell (HRB) Max<\/th>\n<th>Brinell (HBW) Max<\/th>\n<th>Vickers (HV) Max<\/th>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">304 \/ 304L<\/td>\n<td>92<\/td>\n<td>201<\/td>\n<td>200<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">316 \/ 316L<\/td>\n<td>95<\/td>\n<td>217<\/td>\n<td>220<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">321<\/td>\n<td>95<\/td>\n<td>217<\/td>\n<td>220<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Duplex 2205<\/td>\n<td>30 (HRC)<\/td>\n<td>293<\/td>\n<td>290<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\nNote:Always refer to the specific project specifications as these values can vary.\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-af9df6a e-flex e-con-boxed e-con e-parent\" data-id=\"af9df6a\" 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-f93831c elementor-widget elementor-widget-heading\" data-id=\"f93831c\" 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\">Professional Execution and Expert Trust<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d7d5131 elementor-widget elementor-widget-text-editor\" data-id=\"d7d5131\" 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\tAs an expert supplier,we understand that quality is a multi-step process.We do not just sell components;we sell reliability.Our team follows strict ISO protocols for hardness testing of SS pipes.We ensure every technician is trained to handle delicate instruments and interpret data correctly.\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-70cd671 elementor-widget elementor-widget-text-editor\" data-id=\"70cd671\" 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\tIn addition,we perform <a href=\"https:\/\/www.kaysuns.com\/blog\/x-ray-test-for-stainless-steel-pipes-and-fittings\/\" target=\"_blank\" rel=\"noopener\">X-ray inspections<\/a> on stainless steel pipes,fittings,and flanges.Hardness testing primarily examines the surface and temper of the welds,while X-ray inspection allows for a thorough examination of the weld\u2019s interior.By combining these inspection methods,we provide a \u201czero-defect\u201d guarantee for your project.\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-227b5a4 e-flex e-con-boxed e-con e-parent\" data-id=\"227b5a4\" 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-74a6f58 elementor-widget elementor-widget-heading\" data-id=\"74a6f58\" 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 SS Hardness Testing<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-279d1d9 elementor-widget elementor-widget-accordion\" data-id=\"279d1d9\" 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-4151\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-4151\" 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 hardness testing damage my stainless steel tubes?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-4151\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-4151\"><p>Standard testing leaves tiny indentations.However,if you require \u201cnon-destructive\u201d testing,we will use ultrasonic contact impedance (UCI) or Leeb testing.These methods leave virtually no marks.<\/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-4152\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"button\" aria-controls=\"elementor-tab-content-4152\" 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\">How many spots should I test on a single pipe?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-4152\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"region\" aria-labelledby=\"elementor-tab-title-4152\"><p>For hardness testing of SS tubes,we usually test three spots:both ends and the middle.For fittings,we test the outer curve where the metal has been stretched.<\/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-4153\" class=\"elementor-tab-title\" data-tab=\"3\" role=\"button\" aria-controls=\"elementor-tab-content-4153\" 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\">Is there a direct link between hardness and tensile strength?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-4153\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"3\" role=\"region\" aria-labelledby=\"elementor-tab-title-4153\"><p><strong>Yes<\/strong>,for most stainless steels,there is a mathematical correlation.We can often estimate the strength of the pipe based on its hardness result.<\/p><\/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\":\"Can hardness testing damage my stainless steel tubes?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>Standard testing leaves tiny indentations.However,if you require \\u201cnon-destructive\\u201d testing,we will use ultrasonic contact impedance (UCI) or Leeb testing.These methods leave virtually no marks.<\\\/p>\"}},{\"@type\":\"Question\",\"name\":\"How many spots should I test on a single pipe?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>For hardness testing of SS tubes,we usually test three spots:both ends and the middle.For fittings,we test the outer curve where the metal has been stretched.<\\\/p>\"}},{\"@type\":\"Question\",\"name\":\"Is there a direct link between hardness and tensile strength?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p><strong>Yes<\\\/strong>,for most stainless steels,there is a mathematical correlation.We can often estimate the strength of the pipe based on its hardness result.<\\\/p>\"}}]}<\/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-9e1bad3 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9e1bad3\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container 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