{"id":7404,"date":"2026-10-19T15:43:18","date_gmt":"2026-10-19T07:43:18","guid":{"rendered":"https:\/\/www.cjmsteelgroup.com\/?p=7404"},"modified":"2026-10-19T15:54:40","modified_gmt":"2026-10-19T07:54:40","slug":"astm-a572-steel-grades-equivalents-properties-buying-guide","status":"publish","type":"post","link":"https:\/\/www.cjmsteelgroup.com\/es\/astm-a572-steel-grades-equivalents-properties-buying-guide.html","title":{"rendered":"Explicaci\u00f3n de los grados de acero ASTM A572: Propiedades mec\u00e1nicas, equivalentes internacionales y gu\u00eda de compra"},"content":{"rendered":"<p class=\"has-black-color has-text-color has-link-color wp-elements-c431560ea9a052373573a213f234d265\"><strong>Acero ASTM A572<\/strong> es un <strong>acero estructural de alta resistencia y baja aleaci\u00f3n (HSLA)<\/strong> specification used in buildings, bridges, machinery and other structural applications. It covers <strong>Grades 42, 50, 55, 60 and 65<\/strong>, with different strength and chemical composition requirements.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-8145089e82a7b6154784ff7fda944141\">Esta gu\u00eda incluye <strong>ASTM A572 equivalent grades<\/strong>, <strong>A572 steel properties<\/strong>, <strong>l\u00edmite el\u00e1stico<\/strong>, <strong>composici\u00f3n qu\u00edmica<\/strong> and purchasing considerations to help buyers select the right material.<\/p>\n\n\n\n<p><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"937\" height=\"622\" src=\"https:\/\/www.cjmsteelgroup.com\/wp-content\/uploads\/2025\/10\/cjm-warehouse-a572-steel-plate-stock.jpg\" alt=\"Large inventory of ASTM A572 steel plates neatly stacked in a warehouse, ready for immediate shipment.\" class=\"wp-image-7406\" style=\"width:600px\" srcset=\"https:\/\/www.cjmsteelgroup.com\/wp-content\/uploads\/2025\/10\/cjm-warehouse-a572-steel-plate-stock.jpg 937w, https:\/\/www.cjmsteelgroup.com\/wp-content\/uploads\/2025\/10\/cjm-warehouse-a572-steel-plate-stock-300x199.jpg 300w, https:\/\/www.cjmsteelgroup.com\/wp-content\/uploads\/2025\/10\/cjm-warehouse-a572-steel-plate-stock-768x510.jpg 768w, https:\/\/www.cjmsteelgroup.com\/wp-content\/uploads\/2025\/10\/cjm-warehouse-a572-steel-plate-stock-18x12.jpg 18w\" sizes=\"auto, (max-width: 937px) 100vw, 937px\" \/><figcaption class=\"wp-element-caption\">a572 steel plate<\/figcaption><\/figure><\/div>\n\n\n<h2 class=\"wp-block-heading has-black-color has-text-color has-link-color has-medium-font-size wp-elements-0ea219d99a26cf2ea183b20e9cc5ffed\"><strong>ASTM A572 Quick Reference<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-black-color has-text-color has-link-color wp-elements-aa7f1bef263264c1f453d9adaf3928c2\"><strong>Steel type:<\/strong> High-strength low-alloy structural steel.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-8f20745e2cfa4a683a9ff729bed09bbc\"><strong>Grados:<\/strong> <strong>A572 Grade 42, 50, 55, 60 and 65<\/strong>.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-8031100102c3055d21a8fa0bcf7f2dd5\"><strong>Common Grade 50 comparisons:<\/strong> <strong>S355JR, Q345B and Q355B<\/strong>, subject to verification against the applicable standards.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-c6809efb1ec6cb5b3a293027db1f3a7d\"><strong>Before ordering:<\/strong> Confirm grade, product dimensions, mechanical properties and material test documentation.<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading has-black-color has-text-color has-link-color has-medium-font-size wp-elements-7ee8eb9a061bc61e070781183210de1b\"><strong>ASTM A572 Equivalent Grades<\/strong><\/h2>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-2c7bf974c1b80427c1a9714901ac626c\">The following table lists grades commonly compared when sourcing <strong>ASTM A572 equivalent materials<\/strong>. These are comparison candidates, not guaranteed direct equivalents.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><tbody><tr><th>ASTM A572 Grade<\/th><th>Commonly Compared Grade<\/th><th>Est\u00e1ndar<\/th><\/tr><tr><td><strong>Grado 42<\/strong><\/td><td>S275JR<\/td><td>EN 10025-2<\/td><\/tr><tr><td><strong>Grado 42<\/strong><\/td><td>SM400A \/ IS 2062 E250<\/td><td>Applicable JIS \/ IS standards<\/td><\/tr><tr><td><strong>Grado 50<\/strong><\/td><td>S355JR<\/td><td>EN 10025-2<\/td><\/tr><tr><td><strong>Grado 50<\/strong><\/td><td>Q345B \/ Q355B<\/td><td>Applicable GB standards<\/td><\/tr><tr><td><strong>Grado 50<\/strong><\/td><td>SM490A \/ IS 2062 E350<\/td><td>Applicable JIS \/ IS standards<\/td><\/tr><tr><td><strong>Grado 60<\/strong><\/td><td>S420-series grades \/ SM490YA<\/td><td>Verify the specific standard and grade<\/td><\/tr><tr><td><strong>Grado 65<\/strong><\/td><td>S460-series grades \/ SM490YB<\/td><td>Verify the specific standard and grade<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-6a997cb62bf1cdde72f4c6800b35cd38\"><strong>ASTM A572 Grade 50 equivalent:<\/strong> <strong>S355JR, Q345B and Q355B<\/strong> are commonly considered during material sourcing because of their structural applications and strength levels. However, their chemical composition, impact requirements, dimensions and other standard requirements differ.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-073fe90dc6da805343e9ed11a179858a\">Before substituting materials, compare the applicable standards and confirm that the proposed grade meets the project requirements.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading has-black-color has-text-color has-link-color has-medium-font-size wp-elements-d7a006dfde7a1a1b423b562c2697e69f\"><strong>ASTM A572 Mechanical Properties and Yield Strength<\/strong><\/h2>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-4c194e91b113727e688f0c5d93af2357\">En <strong>mechanical properties of ASTM A572 steel<\/strong> vary by grade. The table below summarizes the specified minimum yield and tensile strength values listed in ASTM A572\/A572M reference editions. Confirm the applicable edition and product requirements before using these figures for design or procurement.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><tbody><tr><th>Grado<\/th><th>Minimum Yield Strength<\/th><th>Minimum Tensile Strength<\/th><th>Typical Application Context<\/th><\/tr><tr><td><strong>A572 Grade 42<\/strong><\/td><td>290 MPa (42 ksi)<\/td><td>415 MPa (60 ksi)<\/td><td>Structural applications specified for this grade<\/td><\/tr><tr><td><strong>A572 Grado 50<\/strong><\/td><td>345 MPa (50 ksi)<\/td><td>450 MPa (65 ksi)<\/td><td>Fabricaci\u00f3n estructural general<\/td><\/tr><tr><td><strong>A572 Grade 55<\/strong><\/td><td>380 MPa (55 ksi)<\/td><td>485 MPa (70 ksi)<\/td><td>Structures designed for this strength level<\/td><\/tr><tr><td><strong>A572 Grade 60<\/strong><\/td><td>415 MPa (60 ksi)<\/td><td>520 MPa (75 ksi)<\/td><td>Higher-strength structural applications<\/td><\/tr><tr><td><strong>A572 Grade 65<\/strong><\/td><td>450 MPa (65 ksi)<\/td><td>550 MPa (80 ksi)<\/td><td>Applications requiring higher specified strength<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-1b7a3427906463b29ab492e1a15a72e1\"><em>These are reference minimum values, not tensile-strength ranges. Verify the applicable ASTM A572\/A572M edition, product form, dimensions and grade-specific requirements before ordering.<\/em><\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading has-black-color has-text-color has-link-color has-medium-font-size wp-elements-621165939b77c40a31df6e585f1b4903\"><strong>ASTM A572 Chemical Composition<\/strong><\/h2>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-620d376f362b5319c3e6c20ffb6a7738\">The table below summarizes key <strong>ASTM A572 chemical composition<\/strong> requirements from ASTM A572\/A572M-21. Values are heat-analysis limits in weight percent (%); product dimensions and specific standard provisions affect which limits apply.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><tbody><tr><th>Grado<\/th><th>Carbon, Max.<\/th><th>Manganese, Max.<\/th><th>Phosphorus, Max.<\/th><th>Sulfur, Max.<\/th><th>Silicio<\/th><\/tr><tr><td><strong>A572 Grade 42<\/strong><\/td><td>0.21%<\/td><td>1.35%*<\/td><td>0.030%*<\/td><td>0.030%*<\/td><td>Max. 0.40% or 0.15\u20130.40%<\/td><\/tr><tr><td><strong>A572 Grado 50<\/strong><\/td><td>0.23%<\/td><td>1.35%*<\/td><td>0.030%*<\/td><td>0.030%*<\/td><td>Max. 0.40% or 0.15\u20130.40%<\/td><\/tr><tr><td><strong>A572 Grade 55<\/strong><\/td><td>0.25%<\/td><td>1.35%*<\/td><td>0.030%*<\/td><td>0.030%*<\/td><td>Max. 0.40% or 0.15\u20130.40%<\/td><\/tr><tr><td><strong>A572 Grade 60<\/strong><\/td><td>0.26%<\/td><td>1.35%*<\/td><td>0.030%*<\/td><td>0.030%*<\/td><td>Max. 0.40% or 0.15\u20130.40%<\/td><\/tr><tr><td><strong>A572 Grade 65<\/strong><\/td><td>0.23% or 0.26%**<\/td><td>1.65% or 1.35%**<\/td><td>0.030%*<\/td><td>0.030%*<\/td><td>Max. 0.40% or 0.15\u20130.40%<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-c4f5490cbd882a0569ecfb4a49ca7dd6\"><em>* <strong>Manganese, phosphorus, sulfur and silicon requirements:<\/strong> Applicable limits and exceptions depend on product type, dimensions and the standard&#8217;s provisions. The standard permits manganese adjustments under specified conditions and allows higher phosphorus\/sulfur limits for certain product categories.<\/em><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-f0cc819189e6d0f8ccd9cb0e29b71b93\"><em>** <strong>Grade 65:<\/strong> The applicable carbon and manganese limits depend on product thickness or size. An alternative chemistry requirement is also permitted under the standard.<\/em><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-a775a527a133c25c1166bd5b9a4c7877\">The steel also requires specified alloy content involving <strong>niobium (columbium), vanadium, titanium and\/or nitrogen<\/strong>. Confirm the complete chemistry requirements and actual heat analysis on the <strong>material test certificate (MTC)<\/strong> before procurement.<em> Gr.42 and Gr.55 not shown; Gr.42 has lower C\/Mn, Gr.55 is intermediate. Full data available upon request.*<\/em><\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading has-black-color has-text-color has-link-color has-medium-font-size wp-elements-5cb5596cf42ac09e5fbc7ec3dfe5338b\"><strong>ASTM A572 Steel Applications<\/strong><\/h2>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-6dcc85528d286d041019eb997e5e9a1e\"><strong>ASTM A572 structural steel<\/strong> is used where its specified strength and product characteristics meet the design and project requirements. Common application areas include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-black-color has-text-color has-link-color wp-elements-a9fc7083f01ee8796e534f9737724f41\"><strong>Fabricaci\u00f3n estructural:<\/strong> Building frames, load-bearing components and structural assemblies.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-9c8ca9582fc0e0a81c75014201a145f4\"><strong>Bridges and infrastructure:<\/strong> Components specified to meet the applicable design and material requirements.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-d4b1c8b00667f03dfa2beda41d042c8d\"><strong>Power and industrial facilities:<\/strong> Structural supports and fabricated steel components.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-fed4f57919deeb5c52d51690530a0b41\"><strong>Machinery and construction equipment:<\/strong> Components designed around specified strength, dimensions and fabrication requirements.<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-0d2301989e2a3cab43069fa15d20e369\"><em>For bridge and highway structures, ASTM A572 is often compared with A709 steel due to differences in toughness requirements and weathering performance. For a detailed comparison and grade breakdown, see our <a href=\"https:\/\/www.cjmsteelgroup.com\/es\/astm-a709-steel-plate-grades-bridge-weathering-application.html\/\" target=\"_blank\" rel=\"noopener\" title=\"ASTM A709 steel plate grades and applications guide\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">ASTM A709 steel plate grades and applications guide<\/mark><\/a>.<\/em><\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading has-black-color has-text-color has-link-color has-medium-font-size wp-elements-67141b3ad02ba871f4f59592dc2c69b7\"><strong>6. ASTM A572 Steel Supply &amp; Export Options<\/strong><\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.cjmsteelgroup.com\/wp-content\/uploads\/2025\/07\/carbon-steel-plates-loading-ship-hold-1024x768.jpg\" alt=\"A572 steel for global sea freight export at Tianjin port.\" class=\"wp-image-6991\" style=\"width:600px\" srcset=\"https:\/\/www.cjmsteelgroup.com\/wp-content\/uploads\/2025\/07\/carbon-steel-plates-loading-ship-hold-1024x768.jpg 1024w, https:\/\/www.cjmsteelgroup.com\/wp-content\/uploads\/2025\/07\/carbon-steel-plates-loading-ship-hold-300x225.jpg 300w, https:\/\/www.cjmsteelgroup.com\/wp-content\/uploads\/2025\/07\/carbon-steel-plates-loading-ship-hold-768x576.jpg 768w, https:\/\/www.cjmsteelgroup.com\/wp-content\/uploads\/2025\/07\/carbon-steel-plates-loading-ship-hold-16x12.jpg 16w, https:\/\/www.cjmsteelgroup.com\/wp-content\/uploads\/2025\/07\/carbon-steel-plates-loading-ship-hold.jpg 1440w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Acero CJM listo para su env\u00edo<\/figcaption><\/figure><\/div>\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-68c889a013eb4966c107ce7b7f8ad970\">Tanto si eres un <strong>almacenista, empresa comercial o taller de transformaci\u00f3n<\/strong>Los aceros A572 proporcionan flexibilidad para la distribuci\u00f3n en m\u00faltiples mercados.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-cafa201c6204c03d738dd5394d043b81\">En <strong>Acero CJM<\/strong>mantenemos <strong>stock regular para A572 Gr.50 \/ S355JR<\/strong>con laminado a medida disponible para calidades superiores como Gr.60 y Gr.65. Nuestro equipo ayuda a los clientes a <strong>equivalentes regionales (EN, IS, JIS)<\/strong> y garantiza el cumplimiento sin problemas de las especificaciones del proyecto.<\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-d6dcc833120b007dfac08b42d9ce6491\"><strong>check our dedicated pages:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.cjmsteelgroup.com\/es\/a572-carbon-steel-plate.html\/\" target=\"_blank\" rel=\"noopener\" title=\"Placa de acero al carbono A572 \/ S355JR\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">A572 Carbon Steel Plate<\/mark><\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.cjmsteelgroup.com\/es\/a572-carbon-steel-coil.html\/\" target=\"_blank\" rel=\"noopener\" title=\"A572 (S355JR Equivalent) Carbon Steel Coil Supplier\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">A572 Carbon Steel Coil<\/mark><\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.cjmsteelgroup.com\/es\/a572-s355jr-round-steel-bar.html\/\" target=\"_blank\" rel=\"noopener\" title=\"Barra redonda A572 \/ S355JR\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">A572 Round Steel Bar<\/mark><\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.cjmsteelgroup.com\/es\/astm-a283-a572-diamond-tread-checkered-steel-plate.html\/\" target=\"_blank\" rel=\"noopener\" title=\"Placa de acero ASTM A283 \/ A572 Diamond &amp; Tread Checkered\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">ASTM A572 Diamond &amp; Tread Checkered Steel Plate<\/mark><\/a><\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading has-black-color has-text-color has-link-color has-medium-font-size wp-elements-9f010b7dc81988740d479e837b3f24dc\"><strong>7. Resumen: Tomar la decisi\u00f3n correcta en materia de contrataci\u00f3n p\u00fablica<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-black-color has-text-color has-link-color wp-elements-c2a3f3f5639c61119bce06eab9b76824\"><strong>ASTM A572 steel grades<\/strong> cover five strength levels: 42, 50, 55, 60 and 65.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-3fc13fe62c2746cae2def383dc3e46a8\"><strong>A572 Grado 50<\/strong> is a common option for general structural applications.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-741732ee80c318a3026c59500cb887cd\"><strong>ASTM A572 equivalent grades<\/strong> should be compared against the applicable standards, not selected by strength alone.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-35a51972bd2e39c9de6a913628d12422\">Before purchasing, verify <strong>mechanical properties, chemical composition, dimensions and material certification<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>ASTM A572 steel is a high-strength low-alloy (HSLA) structural steel specification used in buildings, bridges, machinery and other structural applications. It covers Grades 42, 50, 55, 60 and 65, with different strength and chemical composition requirements. This guide covers ASTM A572 equivalent grades, A572 steel properties, yield strength, chemical composition and purchasing considerations to help [&hellip;]<\/p>","protected":false},"author":1,"featured_media":7406,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"themepark_post_bcolor":"#f5f5f5","themepark_post_width":"1022px","themepark_post_img":"","themepark_post_img_po":"left","themepark_post_img_re":false,"themepark_post_img_cover":false,"themepark_post_img_fixed":false,"themepark_post_hide_title":false,"themepark_post_main_b":"","themepark_post_main_p":100,"themepark_paddingblock":false,"footnotes":""},"categories":[6],"tags":[],"class_list":["post-7404","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"metadata":{"_edit_lock":["1792399430:1"],"_thumbnail_id":["7406"],"_edit_last":["1"],"_aioseo_title":["ASTM A572 Steel Equivalent Grades &amp; Properties Guide"],"_aioseo_description":["Compare ASTM A572 equivalent grades, Grade 50 yield strength, tensile strength and chemical composition. Review key steel properties and specifications."],"_aioseo_keywords":[""],"_aioseo_og_title":[null],"_aioseo_og_description":[null],"_aioseo_og_article_section":[""],"_aioseo_og_article_tags":[""],"_aioseo_twitter_title":[null],"_aioseo_twitter_description":[null],"themepark_seo_title":["ASTM A572 Steel Equivalent Grades & Properties Guide"],"themepark_seo_description":["Compare ASTM A572 equivalent grades, Grade 50 yield strength, tensile strength and chemical composition. Review key steel properties and specifications."],"themepark_seo_keyword":["astm a572, a572 steel properties, astm a572 grade 50 equivalent"],"catce":["sidebar-widgets4"],"views":["12077"],"_wp_old_date":["2025-10-09","2025-12-17","2026-03-17","2026-06-08"]},"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 4.6.0 - aioseo.com -->\n\t\t<meta name=\"description\" content=\"Compare ASTM A572 equivalent grades, Grade 50 yield strength, tensile strength and chemical composition. 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