{"id":1263,"date":"2026-09-15T11:48:58","date_gmt":"2026-09-15T11:48:58","guid":{"rendered":"https:\/\/bpsteel.in\/?page_id=1263"},"modified":"2026-09-18T10:40:07","modified_gmt":"2026-09-18T10:40:07","slug":"en-47","status":"publish","type":"page","link":"https:\/\/bpsteel.in\/index.php\/en-47\/","title":{"rendered":"EN 47"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"1263\" class=\"elementor elementor-1263\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4fd424e e-flex e-con-boxed e-con e-parent\" data-id=\"4fd424e\" 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-011d631 elementor-widget elementor-widget-heading\" data-id=\"011d631\" 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\">EN47<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3a0bbf3 elementor-widget elementor-widget-heading\" data-id=\"3a0bbf3\" 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\">Overview<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d25169f elementor-widget elementor-widget-text-editor\" data-id=\"d25169f\" 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 class=\"MsoNormal\">EN47 is a <b>silicon-chromium\nspring steel<\/b> offering high elastic strength, fatigue resistance and good\nresilience.<o:p><\/o:p><\/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-bb04d3a elementor-widget elementor-widget-heading\" data-id=\"bb04d3a\" 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\">Chemical Compositions<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6475c79 e-grid e-con-full e-con e-child\" data-id=\"6475c79\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-172d704 elementor-widget elementor-widget-text-editor\" data-id=\"172d704\" 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><strong>C<\/strong><\/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-8986f4f elementor-widget elementor-widget-text-editor\" data-id=\"8986f4f\" 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><strong>Si<\/strong><\/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-5521bce elementor-widget elementor-widget-text-editor\" data-id=\"5521bce\" 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><strong>Mn<\/strong><\/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-49c7f4e elementor-widget elementor-widget-text-editor\" data-id=\"49c7f4e\" 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><strong>Cr<\/strong><\/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-641df8e elementor-widget elementor-widget-text-editor\" data-id=\"641df8e\" 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><strong>P\/S<\/strong><\/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-8d60980 elementor-widget elementor-widget-text-editor\" data-id=\"8d60980\" 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>0.45 &#8211; 0.55<\/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-8b2cfc6 elementor-widget elementor-widget-text-editor\" data-id=\"8b2cfc6\" 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>0.15 &#8211; 0.50<\/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-f4ba043 elementor-widget elementor-widget-text-editor\" data-id=\"f4ba043\" 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>0.50 &#8211; 0.80<\/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-3dc95a2 elementor-widget elementor-widget-text-editor\" data-id=\"3dc95a2\" 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>0.80 &#8211; 1.20<\/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-a2abeb3 elementor-widget elementor-widget-text-editor\" data-id=\"a2abeb3\" 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>&lt; 0.04<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-eb7e41c e-flex e-con-boxed e-con e-parent\" data-id=\"eb7e41c\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-cddb7e8 e-con-full e-flex e-con e-child\" data-id=\"cddb7e8\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ce3477c elementor-widget elementor-widget-heading\" data-id=\"ce3477c\" 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\"><h3 data-elementor-setting-key=\"title\" data-pen-placeholder=\"Type Here...\" style=\"font-size: 1.33333rem; font-style: normal; font-weight: 600; color: rgb(7, 28, 125); font-family: Roboto, sans-serif;\">Heat Treatment<span style=\"color: rgb(110, 193, 228); font-size: 2.66667rem; font-style: inherit;\"><\/span><\/h3><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-13d9240 elementor-widget elementor-widget-text-editor\" data-id=\"13d9240\" 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 style=\"font-size: 18px; font-style: normal; font-weight: 400; color: #000000;\"><li style=\"font-size: 18px;\">Austenitizing approximately <span style=\"font-weight: bold;\">830\u2013860\u00b0C<\/span><\/li><li style=\"font-size: 18px;\">Oil quenching<\/li><li style=\"font-size: 18px;\">Tempering generally around <span style=\"font-weight: bold;\">400\u2013550\u00b0C<\/span>, according to required spring properties<\/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-16209e6 e-con-full e-flex e-con e-child\" data-id=\"16209e6\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8e3ab28 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"8e3ab28\" 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 decoding=\"async\" src=\"https:\/\/bpsteel.in\/wp-content\/uploads\/elementor\/thumbs\/EN47-rth50nkio5v2lkgqp9mlbdanecdu4qwvqu34ozeba8.png\" title=\"EN47\" alt=\"EN47\" loading=\"lazy\" \/>\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\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-08b378e e-flex e-con-boxed e-con e-parent\" data-id=\"08b378e\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-ca8653f e-con-full e-flex e-con e-child\" data-id=\"ca8653f\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f437664 elementor-widget elementor-widget-heading\" data-id=\"f437664\" 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\"><h3 data-elementor-setting-key=\"title\" data-pen-placeholder=\"Type Here...\" style=\"font-size: 1.33333rem; font-style: normal; font-weight: 600; color: rgb(7, 28, 125); font-family: Roboto, sans-serif;\">Mechanical Properties<span style=\"color: rgb(110, 193, 228); font-size: 2.66667rem; font-style: inherit;\"><\/span><\/h3><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1ac586b elementor-widget elementor-widget-text-editor\" data-id=\"1ac586b\" 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 style=\"font-size: 18px; font-style: normal; font-weight: 400; color: #000000;\"><li style=\"font-size: 18px;\">High elastic limit<\/li><li style=\"font-size: 18px;\">High fatigue resistance<\/li><li style=\"font-size: 18px;\">Good resilience<\/li><li style=\"font-size: 18px;\">Typical tempered hardness approximately <span style=\"font-weight: bold;\">40\u201350 HRC<\/span>, depending on treatment<\/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-56947e2 e-con-full e-flex e-con e-child\" data-id=\"56947e2\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-edbb6c9 elementor-widget elementor-widget-heading\" data-id=\"edbb6c9\" 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\"><h3 data-elementor-setting-key=\"title\" data-pen-placeholder=\"Type Here...\" style=\"font-size: 1.33333rem; font-style: normal; font-weight: 600; color: rgb(7, 28, 125); font-family: Roboto, sans-serif;\">Equivalent Grades<span style=\"color: rgb(110, 193, 228); font-size: 2.66667rem; font-style: inherit;\"><\/span><\/h3><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d9a7a6b elementor-widget elementor-widget-text-editor\" data-id=\"d9a7a6b\" 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 style=\"font-size: 18px; font-style: normal; font-weight: 400; color: #000000;\"><li style=\"font-size: 18px;\"><span style=\"font-weight: bold;\">EN:<\/span> EN47<\/li><li style=\"font-size: 18px;\"><span style=\"font-weight: bold;\">DIN:<\/span> 50CrV4 \/ 1.8159<\/li><li style=\"font-size: 18px;\"><span style=\"font-weight: bold;\">AISI:<\/span> 6150<\/li><li style=\"font-size: 18px;\"><span style=\"font-weight: bold;\">JIS:<\/span> SUP10<\/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<div class=\"elementor-element elementor-element-8d4a424 e-flex e-con-boxed e-con e-parent\" data-id=\"8d4a424\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-4ad8cd9 e-con-full e-flex e-con e-child\" data-id=\"4ad8cd9\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-565d6fe elementor-widget elementor-widget-heading\" data-id=\"565d6fe\" 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\"><h3 data-elementor-setting-key=\"title\" data-pen-placeholder=\"Type Here...\" style=\"font-weight: 600; font-family: Roboto, sans-serif;\"><span style=\"color: rgb(7, 28, 125); font-size: 1.33333rem;\">Applications<\/span><span style=\"color: rgb(110, 193, 228); font-size: 2.66667rem; font-style: inherit;\"><\/span><\/h3><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-76e21b9 elementor-widget elementor-widget-text-editor\" data-id=\"76e21b9\" 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 style=\"font-size: 18px; font-style: normal; font-weight: 400; margin-top: 0cm; color: #000000;\" type=\"disc\"><li class=\"MsoNormal\" style=\"font-size: 18px;\">Leaf springs<\/li><li class=\"MsoNormal\" style=\"font-size: 18px;\">Coil springs<\/li><li class=\"MsoNormal\" style=\"font-size: 18px;\">Automotive springs<\/li><li class=\"MsoNormal\" style=\"font-size: 18px;\">Spring washers<\/li><li class=\"MsoNormal\" style=\"font-size: 18px;\">Suspension components<\/li><li class=\"MsoNormal\" style=\"font-size: 18px;\">High-stress elastic components\u00a0<\/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-977d115 e-con-full e-flex e-con e-child\" data-id=\"977d115\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-25c8295 elementor-widget elementor-widget-heading\" data-id=\"25c8295\" 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\"><h3 data-elementor-setting-key=\"title\" data-pen-placeholder=\"Type Here...\" style=\"font-size: 1.33333rem; font-style: normal; font-weight: 600; color: rgb(7, 28, 125); font-family: Roboto, sans-serif;\">Available Forms<span style=\"color: rgb(110, 193, 228); font-size: 2.66667rem; font-style: inherit;\"><\/span><\/h3><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-13a7bfc elementor-widget elementor-widget-text-editor\" data-id=\"13a7bfc\" 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 style=\"font-size: 18px; font-style: normal; font-weight: 400; color: #000000;\"><li style=\"font-size: 18px;\">Round bars<\/li><li style=\"font-size: 18px;\">Flats<\/li><li style=\"font-size: 18px;\">Plates<\/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<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>EN47 Overview EN47 is a silicon-chromium spring steel offering high elastic strength, fatigue resistance and good resilience. Chemical Compositions C [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"no-sidebar","site-content-layout":"","ast-site-content-layout":"full-width-container","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-1263","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/bpsteel.in\/index.php\/wp-json\/wp\/v2\/pages\/1263","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bpsteel.in\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/bpsteel.in\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/bpsteel.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bpsteel.in\/index.php\/wp-json\/wp\/v2\/comments?post=1263"}],"version-history":[{"count":16,"href":"https:\/\/bpsteel.in\/index.php\/wp-json\/wp\/v2\/pages\/1263\/revisions"}],"predecessor-version":[{"id":1800,"href":"https:\/\/bpsteel.in\/index.php\/wp-json\/wp\/v2\/pages\/1263\/revisions\/1800"}],"wp:attachment":[{"href":"https:\/\/bpsteel.in\/index.php\/wp-json\/wp\/v2\/media?parent=1263"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}