{"id":6886,"date":"2026-03-25T17:02:34","date_gmt":"2026-03-25T09:02:34","guid":{"rendered":"https:\/\/www.cjmsteelgroup.com\/?p=6886"},"modified":"2026-03-25T17:04:01","modified_gmt":"2026-03-25T09:04:01","slug":"pressure-vessel-steel-plate-comparison-guide","status":"publish","type":"post","link":"https:\/\/www.cjmsteelgroup.com\/es\/pressure-vessel-steel-plate-comparison-guide.html","title":{"rendered":"Pressure Vessel Steel Grades Comparison Guide (ASTM, EN, GB &amp; Equivalent Chart)"},"content":{"rendered":"<h2 class=\"wp-block-heading has-black-color has-text-color has-link-color has-medium-font-size wp-elements-0445f089f6c8e1d1f6e6378d58fe0701\"><strong>Introducci\u00f3n<\/strong><\/h2>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-3d700ca842c914b125f531ac35aeb4c2\"><strong>Pressure vessel steel grades<\/strong> are specifically engineered for manufacturing boilers, storage tanks, and high-pressure equipment. Selecting the right <strong><a href=\"https:\/\/www.cjmsteelgroup.com\/es\/high-quality-vessel-steel-plates-supplier.html\/\" target=\"_blank\" rel=\"noopener\" title=\"chapa de acero para recipientes a presi\u00f3n\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">chapa de acero para recipientes a presi\u00f3n<\/mark><\/a><\/strong> is essential to ensure safety, long-term performance, and compliance with international standards such as ASTM, EN, and GB.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-0d6e9ce6a3a69bdbd4453c53245970d8\">This guide provides a <strong>practical comparison of pressure vessel steel grades<\/strong>, including ASTM, EN, and GB standards, along with an <strong>equivalent chart<\/strong> to support global sourcing and project-based procurement decisions.<\/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=\"500\" height=\"424\" src=\"https:\/\/www.cjmsteelgroup.com\/wp-content\/uploads\/2025\/11\/pressure-vessel-steel-plates-in-storage-tanks.jpg\" alt=\"Applications of pressure vessel steel plates in boilers and LNG storage tanks\" class=\"wp-image-7840\" style=\"width:500px\" srcset=\"https:\/\/www.cjmsteelgroup.com\/wp-content\/uploads\/2025\/11\/pressure-vessel-steel-plates-in-storage-tanks.jpg 500w, https:\/\/www.cjmsteelgroup.com\/wp-content\/uploads\/2025\/11\/pressure-vessel-steel-plates-in-storage-tanks-300x254.jpg 300w, https:\/\/www.cjmsteelgroup.com\/wp-content\/uploads\/2025\/11\/pressure-vessel-steel-plates-in-storage-tanks-14x12.jpg 14w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><figcaption class=\"wp-element-caption\">Aplicaciones de las chapas de acero para recipientes a presi\u00f3n en calderas y tanques de almacenamiento de GNL<\/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-6abb2a7e7ccd0e2146fdc299ca6f1efb\"><strong>1. \u00bfQu\u00e9 son los grados de acero para recipientes a presi\u00f3n?<\/strong><\/h2>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-af89679e2adc413bbefe82f19199ee7a\">Pressure vessel steel plates are designed to withstand high pressure and temperature in demanding industries such as oil &amp; gas, petrochemical processing, power generation, and LNG storage.<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-black-color has-text-color has-link-color wp-elements-465bf03248e6477711b0b2308c9b35b8\"><strong>Propiedades principales del acero para recipientes a presi\u00f3n<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-black-color has-text-color has-link-color wp-elements-8ac13fcdb91b54bc8cc64a44d4e917a2\">Alta resistencia a la tracci\u00f3n y tenacidad<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-0cfdaddb08e6c3f1b82c31f9bad81955\">Buena resistencia a la fluencia y a la fatiga<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-b24a940c6f67f1168b7e4d77b19f497b\">Excelente soldabilidad y conformabilidad<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading has-black-color has-text-color has-link-color wp-elements-23d4f4966cd02986df0ea11d9ba29579\"><strong>Aplicaciones de las placas de acero para recipientes a presi\u00f3n<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-black-color has-text-color has-link-color wp-elements-9529679d410264149fd15d052bd5ff4b\">Calderas e intercambiadores de calor<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-016a210990f345878417c0e6c0b5aa21\">Separadores de petr\u00f3leo y gas<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-cab3b09183281197fa1b2a3b89024b22\">Tanques de almacenamiento de GNL<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-774651279d954382fd5b0cf07b55f8cb\">Reactores qu\u00edmicos<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-b3e46d9774a26f7d407050dd153681e4\">Equipos de centrales el\u00e9ctricas<\/li>\n<\/ul>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-9ac00cf961d1ea846fe5a532228b76c6\"><\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-eb6a37c13f5f3a04321e321f5ad63858\">From an engineering and procurement perspective, <strong>calidades de acero para recipientes a presi\u00f3n<\/strong> are commonly classified into:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-black-color has-text-color has-link-color wp-elements-bf2be2717d0080287f8bd895f83286ee\">Low-temperature pressure vessel steels (16MnDR)<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-3d705e4ef27771f049034c9008c54b28\">Carbon steel grades (A516, Q245R)<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-faf890079a5e68a490b270a77bcd6339\">Alloy steel grades (A387, 16Mo3)<\/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-62e3c5301b1eeb9dbe3dae80a66aa22e\"><strong>2. Pressure Vessel Steel Grades by International Standards (ASTM \/ EN \/ GB)<\/strong><\/h2>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-a7a625397953748cd321e537be2c4ee9\">Para garantizar la compatibilidad global y la seguridad, <strong>grados de materiales para recipientes a presi\u00f3n<\/strong> est\u00e1n normalizados por los principales c\u00f3digos internacionales. Los m\u00e1s reconocidos son <strong>ASTM<\/strong>, <strong>ES<\/strong>y <strong>GB<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-black-color has-themecolor-1-background-color has-text-color has-background has-link-color wp-elements-3b72e1faed367125f275cb73c573c541\"><strong>ASTM (ASME-oriented projects)<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-black-color has-text-color has-link-color wp-elements-a94aa91c2b2f7c5b827adc710ffaa1d7\">De uso com\u00fan en Am\u00e9rica del Norte y del Sur, el Sudeste Asi\u00e1tico y Oriente Pr\u00f3ximo.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-e92d4d77124490ea94fef6cf01f1295f\">Entre las normas clave figuran:\n<ul class=\"wp-block-list\">\n<li class=\"has-black-color has-text-color has-link-color wp-elements-0579bcdd0f82c5e58828e28b1ddf9230\"><strong><a href=\"https:\/\/www.cjmsteelgroup.com\/es\/astm-a516-steel-plate.html\/\" target=\"_blank\" rel=\"noopener\" title=\"ASTM A516\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">ASTM A516<\/mark><\/a><\/strong> (para servicio a temperatura moderada)<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-3aa587df4188831ebd16dde2ff3617ff\"><strong><a href=\"https:\/\/www.cjmsteelgroup.com\/es\/astm-a387-alloy-steel-plate.html\/\" target=\"_blank\" rel=\"noopener\" title=\"ASTM A387\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">ASTM A387<\/mark><\/a><\/strong> (para servicio a alta temperatura, acero aleado)<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-94c79a15356155e5c76d6a614414b714\"><strong>ASTM A285<\/strong> (recipientes a presi\u00f3n de menor resistencia)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading has-black-color has-themecolor-1-background-color has-text-color has-background has-link-color wp-elements-1f5db6be41456a57a8d176b0a6a25827\"><strong>EN (European standard \u2013 PED projects)<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-black-color has-text-color has-link-color wp-elements-3f3d5073be15a7a0a2f5c102e04bad37\">Widely used in Europe, Africa, international EPC projects<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-5a1b27f317b33e57d98929967c0be727\">Entre las normas clave figuran:\n<ul class=\"wp-block-list\">\n<li class=\"has-black-color has-text-color has-link-color wp-elements-67a55987b340e741f8fe1a4ca316cdcb\"><strong>EN 10028-2<\/strong>: Aceros no aleados y aleados para aplicaciones a presi\u00f3n<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-f46d18406e9c65af5e27e06c07ce1094\">Grados t\u00edpicos: <strong>P265GH<\/strong>, <strong>P355GH<\/strong>, <strong>16Mo3<\/strong>, <strong>13CrMo4-5<\/strong><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-cdda3ccbed35677b3a5c9e2f42934b8d\">Consulte nuestro <a href=\"https:\/\/www.cjmsteelgroup.com\/es\/en-10028-p265gh-p355gh-steel-plate.html\/\" target=\"_blank\" rel=\"noopener\" title=\"\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">Placa de acero EN 10028 P265GH \/ P355GH<\/mark><\/strong><\/a> para m\u00e1s especificaciones t\u00e9cnicas.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading has-black-color has-themecolor-1-background-color has-text-color has-background has-link-color wp-elements-750b0888c9d948ed7c4ff603ba246ba8\"><strong>GB (China standard \u2013 export supply chain)<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-black-color has-text-color has-link-color wp-elements-e9ad1ff32c99a5c593b182cd37d6d61c\">Common in global sourcing from Chinese mills<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-9900de7fbf34bc314a7fb1ac3aa742a1\">Entre las normas clave figuran:\n<ul class=\"wp-block-list\">\n<li class=\"has-black-color has-text-color has-link-color wp-elements-71d026993d39f689a66aa68b5e3ad837\"><strong><a href=\"https:\/\/www.cjmsteelgroup.com\/es\/gb-713-q245r-q345r-steel-plates.html\/\" target=\"_blank\" rel=\"noopener\" title=\"GB 713\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">GB 713<\/mark><\/a><\/strong>: Chapas de acero para calderas y recipientes a presi\u00f3n<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-122147c624285d6587a23f7584d2992a\">Grados comunes: <strong>Q245R<\/strong>, <strong>Q345R<\/strong>, <strong>16MnDR<\/strong><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-9ac00cf961d1ea846fe5a532228b76c6\"><\/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-5c69df4cb41de04e320481209adea220\"><strong>3. Pressure Vessel Steel Grades Comparison (ASTM vs EN vs GB)<\/strong><\/h2>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-db1beafbaef6c01ebb01cdd5b055b2cb\">Understanding the differences between standards helps buyers select the correct material for pressure, temperature, and certification requirements.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><tbody><tr><td><strong>Grado<\/strong><\/td><td><strong>Est\u00e1ndar<\/strong><\/td><td><strong>Rendimiento \/ Tracci\u00f3n (MPa)<\/strong><\/td><td><strong>Alargamiento (%)<\/strong><\/td><td><strong>Impact<\/strong><\/td><td><strong>Temp<\/strong><\/td><td><strong>Equivalente<\/strong><\/td><td><strong>Recommended Applications<\/strong><\/td><\/tr><tr><td><strong>A516 Gr.60<\/strong><\/td><td>ASTM<\/td><td>\u2265220 \/ 415\u2013550<\/td><td>\u226521<\/td><td>27J @ -20\u00b0C<\/td><td>\u2264455\u00b0C<\/td><td>EN P265GH \/ GB Q245R<\/td><td>Boilers, moderate-pressure tanks<\/td><\/tr><tr><td><strong>A516 Gr.70<\/strong><\/td><td>ASTM<\/td><td>\u2265260 \/ 485\u2013620<\/td><td>\u226521<\/td><td>27J @ -20\u00b0C<\/td><td>\u2264455\u00b0C<\/td><td>GB Q345R<\/td><td>High-pressure boilers, heat exchangers<\/td><\/tr><tr><td><strong>A285 Gr.C<\/strong><\/td><td>ASTM<\/td><td>\u2265205 \/ 380\u2013515<\/td><td>\u226520<\/td><td>Bajo<\/td><td>\u2264400\u00b0C<\/td><td>-<\/td><td>Low-pressure storage tanks<\/td><\/tr><tr><td><strong>A387 Gr.11<\/strong><\/td><td>ASTM<\/td><td>\u2265275 \/ 485\u2013620<\/td><td>\u226520<\/td><td>Buena a alta temperatura<\/td><td>\u2264600\u00b0C<\/td><td>-<\/td><td>Petroqu\u00edmica, centrales el\u00e9ctricas<\/td><\/tr><tr><td><strong>A387 Gr.22<\/strong><\/td><td>ASTM<\/td><td>\u2265310 \/ 620\u2013760<\/td><td>\u226519<\/td><td>High-temp creep<\/td><td>\u2264620\u00b0C<\/td><td>-<\/td><td>Reactors, high-pressure systems<\/td><\/tr><tr><td><strong>P265GH<\/strong><\/td><td>EN 10028<\/td><td>\u2265265 \/ 410\u2013530<\/td><td>\u226522<\/td><td>27J A 20\u00b0C<\/td><td>\u2264450\u00b0C<\/td><td>ASTM A516 Gr.60<\/td><td>Boilers, European pressure vessels<\/td><\/tr><tr><td><strong>P355GH<\/strong><\/td><td>EN 10028<\/td><td>\u2265355 \/ 470\u2013630<\/td><td>\u226522<\/td><td>27J A 20\u00b0C<\/td><td>\u2264450\u00b0C<\/td><td>ASTM A516 Gr.70<\/td><td>Componentes de alta presi\u00f3n, sector energ\u00e9tico<\/td><\/tr><tr><td><strong>16Mo3<\/strong><\/td><td>EN 10028<\/td><td>\u2265280 \/ 450\u2013600<\/td><td>\u226522<\/td><td>27J @ RT<\/td><td>\u2264600\u00b0C<\/td><td>-<\/td><td>Intercambiadores de calor, tuber\u00edas de vapor<\/td><\/tr><tr><td><strong>Q245R<\/strong><\/td><td>GB 713<\/td><td>\u2265245 \/ 400\u2013520<\/td><td>\u226521<\/td><td>31J A 0\u00b0C<\/td><td>\u2264450\u00b0C<\/td><td>ASTM A516 Gr.60<\/td><td>Recipientes a presi\u00f3n en general, calderas<\/td><\/tr><tr><td><strong>Q345R<\/strong><\/td><td>GB 713<\/td><td>\u2265345 \/ 490\u2013610<\/td><td>\u226521<\/td><td>34J A 0\u00b0C<\/td><td>\u2264450\u00b0C<\/td><td>ASTM A516 Gr.70<\/td><td>Thick-walled vessels, high-strength tanks<\/td><\/tr><tr><td><strong>16MnDR<\/strong><\/td><td>GB 3531<\/td><td>\u2265255 \/ 470\u2013640<\/td><td>\u226522<\/td><td>41J @ -20\u00b0C<\/td><td>\u2264-40\u00b0C<\/td><td>-<\/td><td>Cryogenic LNG tanks, low-temp vessels<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-653c8cc70c2fca7be31cd653d35d2c22\">While comparing pressure vessel steel grades across ASTM, EN, and GB standards, buyers should also pay attention to quality classifications and manufacturing requirements. In practical procurement, PVQ (Pressure Vessel Quality) steel plates are often specified for projects requiring higher safety standards and stricter inspection criteria.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading has-black-color has-text-color has-link-color wp-elements-3c061e63b6c0ca0964d5719d6eee1bb9\"><strong>Understanding PVQ (Pressure Vessel Quality) Steel Plates<\/strong><\/h3>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-85ca8a59987dbecc92e624a417cc7cd6\">PVQ (Pressure Vessel Quality) steel plates are produced under enhanced quality control processes to meet the stringent requirements of pressure vessel fabrication.<\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-3d673a36b48f6240dbc66dd7ab42426a\"><strong>Compared with standard structural steel plates, PVQ steel offers:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-black-color has-text-color has-link-color wp-elements-fd077bc3bd7444260ff0ffd73333a9a1\">Improved impact toughness<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-d09a595189ac2e03e80b66102be98e8c\">Better consistency in mechanical properties<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-b04c25329e38591810ba9190b8cc474d\">Strict control of chemical composition<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-4b01ba3aa322d5b5b82243689969336f\">Enhanced weldability for pressure applications<\/li>\n<\/ul>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-5d475a85f71457849ecfcf4626e39ec9\"><strong>Common PVQ steel grades include:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-black-color has-text-color has-link-color wp-elements-7507889f17d60161b259e78070f06634\">A516 Gr.70 PVQ<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-b7c41b8ef37d2e6b655476e0cccaf3db\">A285 PVQ<\/li>\n<\/ul>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-44eaa41e0d29f8234858bd45bfcc518f\">These grades are widely used in ASME-certified pressure vessels, boilers, and petrochemical equipment where reliability under pressure is critical.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong><strong>Chemical Composition of Key Pressure Vessel Steel Grades<\/strong><\/strong><\/h3>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-66031af48a5556b0e659075127e182ed\">Below is a representative chemical composition comparison of commonly used pressure vessel steel grades:<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-black-color has-text-color has-link-color\"><tbody><tr><td><strong>Grado<\/strong><\/td><td><strong>C<\/strong><\/td><td><strong>Mn<\/strong><\/td><td><strong>Si<\/strong><\/td><td><strong>P<\/strong><\/td><td><strong>S<\/strong><\/td><td><strong>Cr<\/strong><\/td><td><strong>Mo<\/strong><\/td><td><strong>Ni<\/strong><\/td><td><strong>Notas<\/strong><\/td><\/tr><tr><td><strong>A516 Gr.60<\/strong><\/td><td>0.21<\/td><td>0.55-1.30<\/td><td>\u22640.40<\/td><td>\u22640.035<\/td><td>\u22640.035<\/td><td>-<\/td><td>-<\/td><td>-<\/td><td>Acero al carbono<\/td><\/tr><tr><td><strong>A516 Gr.70<\/strong><\/td><td>0.27<\/td><td>0.85-1.20<\/td><td>\u22640.40<\/td><td>\u22640.035<\/td><td>\u22640.035<\/td><td>-<\/td><td>-<\/td><td>-<\/td><td>Versi\u00f3n m\u00e1s resistente de A516 Gr.60<\/td><\/tr><tr><td><strong>A387 Gr.11<\/strong><\/td><td>0.12-0.20<\/td><td>0.30-0.60<\/td><td>\u22640.50<\/td><td>\u22640.035<\/td><td>\u22640.035<\/td><td>1.00-1.50<\/td><td>0.44-0.65<\/td><td>-<\/td><td>Acero aleado al Cr-Mo<\/td><\/tr><tr><td><strong>P265GH<\/strong><\/td><td>\u22640.20<\/td><td>0.80-1.60<\/td><td>\u22640.40<\/td><td>\u22640.025<\/td><td>\u22640.020<\/td><td>-<\/td><td>-<\/td><td>-<\/td><td>Acero no aleado para calderas<\/td><\/tr><tr><td><strong>P355GH<\/strong><\/td><td>\u22640.22<\/td><td>1.00-1.70<\/td><td>\u22640.50<\/td><td>\u22640.025<\/td><td>\u22640.020<\/td><td>-<\/td><td>-<\/td><td>-<\/td><td>Mayor resistencia Grado EN<\/td><\/tr><tr><td><strong>Q245R<\/strong><\/td><td>\u22640.20<\/td><td>\u22641.20<\/td><td>\u22640.50<\/td><td>\u22640.025<\/td><td>\u22640.015<\/td><td>-<\/td><td>-<\/td><td>-<\/td><td>Norma china, A516 Gr.60 equiv.<\/td><\/tr><tr><td><strong>Q345R<\/strong><\/td><td>\u22640.20<\/td><td>\u22641.70<\/td><td>\u22640.50<\/td><td>\u22640.025<\/td><td>\u22640.015<\/td><td>-<\/td><td>-<\/td><td>-<\/td><td>M\u00e1s cerca de A516 Gr.70<\/td><\/tr><\/tbody><\/table><\/figure>\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-ddb9381af0b9ab83ddd9fcda4374097e\"><strong>4. Pressure Vessel Steel Equivalent Chart (ASTM, EN, GB)<\/strong><\/h2>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-11d5c0055ce78ffd49c6656cbeaf6880\">For international projects and cross-border procurement, understanding <strong>pressure vessel steel grade equivalents<\/strong> is critical when sourcing materials from different regions.<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-black-color has-text-color has-link-color wp-elements-9c80e437dcca96b86815282c77edebf8\"><strong>Common equivalent relationships<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><thead><tr><th>ASTM<\/th><th>ES<\/th><th>GB<\/th><\/tr><\/thead><tbody><tr><td>A516 Gr.60<\/td><td>P265GH<\/td><td>Q245R<\/td><\/tr><tr><td>A516 Gr.70<\/td><td>P355GH<\/td><td>Q345R<\/td><\/tr><tr><td>A387 Gr.11<\/td><td>16Mo3<\/td><td>-<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Practical procurement insight<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-black-color has-text-color has-link-color wp-elements-6ec35a3c84e37bb1034d6ac8f816b645\"><strong>A516 Gr.70 equivalent to Q345R<\/strong> is widely used in Chinese export supply<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-ccfef630c9c303979f709d7816dbdae3\"><strong>P265GH equivalent ASTM material<\/strong> is typically A516 Gr.60<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-a24f4f5bcb6b23348a936f45fd931e57\">EN grades are preferred for PED-certified projects, while ASTM grades dominate ASME projects<\/li>\n<\/ul>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-794bd215eea4c8bc39160e75ccce5b19\"><em>Note: Equivalent grades are not identical. Always verify:<\/em><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-black-color has-text-color has-link-color wp-elements-01cb104cfb33668114134a199ec80a53\"><em>Impact test requirements<\/em><\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-68a09fe66c026e38594fc10a4af1bff5\"><em>Heat treatment condition<\/em><\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-79105850391be056792bb5b4a372d957\"><em>Certification (ASME \/ PED \/ EN10204 3.1)<\/em><\/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-b2f0685811e6243bf0c89ac092786817\"><strong>5. C\u00f3mo elegir el grado de acero adecuado para recipientes a presi\u00f3n<\/strong><\/h2>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-92be83d0f3182a688b097cce8d272e83\">Seleccionar el <strong>grado de acero para recipientes a presi\u00f3n<\/strong> depende de:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li class=\"has-black-color has-text-color has-link-color wp-elements-54a438e8fe555aabfc2ff7ea43daff07\"><strong>Presi\u00f3n y temperatura de funcionamiento<\/strong> - Grados superiores para condiciones extremas.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-f602430267d7dfdd5d6d2c4daa248263\"><strong>Resistencia a la corrosi\u00f3n<\/strong> - Acero aleado para exposici\u00f3n qu\u00edmica.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-d7dda5111834e27f9988d2bfcdb4c60b\"><strong>Soldabilidad<\/strong> - Haga coincidir el grado con el proceso de fabricaci\u00f3n.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-809a655a2880511cbec112fa7c48bde0\"><strong>Requisitos de certificaci\u00f3n<\/strong> - ASME, PED o normas locales.<\/li>\n<\/ol>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading has-black-color has-themecolor-1-background-color has-text-color has-background has-link-color wp-elements-ce6a95003d149025e306c2b8daab5a0c\"><strong>Selecci\u00f3n de materiales por rango de temperatura<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-black-color has-text-color has-link-color\"><tbody><tr><td><strong>Temperatura de trabajo<\/strong><\/td><td><strong>Grados recomendados<\/strong><\/td><td><strong>Notas<\/strong><\/td><\/tr><tr><td><strong>\u2264 400\u00b0C<\/strong> (Temperatura normal)<\/td><td>A516 Gr.60 \/ Gr.70, P265GH, Q245R<\/td><td>Rentable, buena soldabilidad, ampliamente disponible<\/td><\/tr><tr><td><strong>400\u00b0C - 600\u00b0C<\/strong><\/td><td>A387 Gr.11 \/ Gr.22, 16Mo3, P355GH, Q345R<\/td><td>Los grados aleados proporcionan resistencia al calor, resistencia a la fluencia<\/td><\/tr><tr><td><strong>\u2264 -20\u00b0C<\/strong> (Criog\u00e9nico)<\/td><td>16MnDR, prueba de impacto A516 Gr.70, Q345R (especificaci\u00f3n baja temperatura)<\/td><td>Mayor resistencia a los impactos, necesaria para buques de GNL o de baja temperatura<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading has-black-color has-themecolor-1-background-color has-text-color has-background has-link-color wp-elements-0ae8600804e3a5df6479706e2e745c09\"><strong>Selecci\u00f3n de materiales por tipo de aplicaci\u00f3n<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-black-color has-text-color has-link-color\"><tbody><tr><td><strong>Aplicaci\u00f3n<\/strong><\/td><td><strong>Calidades de acero recomendadas<\/strong><\/td><\/tr><tr><td><strong>Calderas y tambores de vapor<\/strong><\/td><td>A516 Gr.70, P265GH, Q245R<\/td><\/tr><tr><td><strong>Recipientes a presi\u00f3n petroqu\u00edmicos<\/strong><\/td><td>A387 Gr.11 \/ Gr.22, 16Mo3, P355GH<\/td><\/tr><tr><td><strong>Dep\u00f3sitos criog\u00e9nicos de GNL<\/strong><\/td><td>16MnDR, Q345R (probado), A516 con tenacidad al impacto a -20\u00b0C<\/td><\/tr><tr><td><strong>Intercambiadores de calor<\/strong><\/td><td>16Mo3, A387 Gr.11<\/td><\/tr><tr><td><strong>Dep\u00f3sitos industriales<\/strong><\/td><td>A285 Gr.C, A516 Gr.60, Q245R<\/td><\/tr><tr><td><strong>Equipos nucleares o energ\u00e9ticos<\/strong><\/td><td>A387 Gr.22, 16Mo3, P355GH<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-a73396c2103888dadfc34fbd729e9bfc\"><em>Si desea m\u00e1s informaci\u00f3n sobre calidades de acero para aplicaciones de alta presi\u00f3n, puede explorar: <a href=\"https:\/\/www.cjmsteelgroup.com\/es\/structural-vs-pressure-vessel-steel-plates-whats-the-difference.html\/\" target=\"_blank\" rel=\"noopener\" title=\"Chapas de acero estructural frente a chapas de acero para recipientes a presi\u00f3n: \u00bfCu\u00e1l es la diferencia?\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\"><strong>Chapas de acero estructural frente a chapas de acero para recipientes a presi\u00f3n: \u00bfCu\u00e1l es la diferencia?<\/strong><\/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-bcb3a9812f2e8c10b403520a1af89ed3\"><strong>6. Preguntas m\u00e1s frecuentes (FAQ)<\/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-bca498385b7d270558c7c13ca3733e00\"><strong>Q: What is the difference between ASTM and EN pressure vessel steel grades?<\/strong><br>ASTM grades are based on U.S. specifications, while EN grades follow European regulations. Both define mechanical and chemical properties for pressure vessel plates, but may differ in testing methods.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-6aa2c42a3035b813f85bbc8d6296168c\"><strong>Q: Is P265GH equivalent to A516 Gr.60 or Gr.70?<\/strong><br>P265GH is comparable to A516 Gr.60 in terms of pressure vessel applications, but the exact composition and standards differ. For projects requiring EN standards, P265GH is preferred; for ASME-coded vessels, A516 Gr.60\/70 is standard.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-9d86d8b9423f34bd4a650c47a80bd93e\"><strong>Q: What is PVQ steel plate and why is it important?<\/strong><br>Pressure Vessel Quality (PVQ) steel ensures superior impact toughness and strict quality control, often required for ASME vessels and high-pressure systems.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-23462f24eadaea260ecfb8541b7626d5\"><strong>Q: Which steel is suitable for cryogenic LNG applications?<\/strong><br>16MnDR or impact-tested A516 Gr.70 provide excellent low-temperature toughness for cryogenic storage.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-d952e6e6267354e9e590e2e6a4be5e6a\"><strong>Q: How to select steel for high-temperature, high-pressure petrochemical equipment?<\/strong><br>Use A387 Gr.11\/Gr.22, 16Mo3, P355GH, which provide heat resistance, creep strength, and corrosion resistance.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-d185a804f6da08092718c5f096796d68\"><strong>Q: What is the Chinese equivalent of A516 Gr.70?<\/strong><br>The closest equivalent is Q345R in the GB713 standard, offering similar mechanical strength and usage. For less demanding applications, Q245R is used.<\/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-be7245024dbc01eb6632bf86a8f04d80\"><strong>7. Conclusi\u00f3n<\/strong><\/h2>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-20cf225e03d050fb6e1dc05555735711\">Comprender <strong>calidades de acero para recipientes a presi\u00f3n<\/strong>, their differences, and equivalent relationships is essential for engineers and buyers involved in global projects. Whether you are sourcing ASTM A516, EN P355GH, or GB Q345R, selecting the correct <strong>chapa de acero para recipientes a presi\u00f3n<\/strong> ensures safety, compliance, and cost efficiency.<\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-9ac00cf961d1ea846fe5a532228b76c6\"><\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-fcb18a287f40f348385d5c97e2117fbb\"><em>For project-based sourcing or technical support, feel free to contact us.<\/em><\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-3dee0a37236f74da848a881ac500d4cc\"><strong>Correo electr\u00f3nico:&nbsp;<a href=\"mailto:info@cjmstainlesssteel.com\" target=\"_blank\" rel=\"noreferrer noopener\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">info@cjmstainlesssteel.com<\/mark><\/a><br>WhatsApp:&nbsp;<a href=\"http:\/\/wa.me\/8618191906640\" target=\"_blank\" rel=\"noreferrer noopener\"><strong><\/strong><\/a><strong><a href=\"http:\/\/wa.me\/8618191906640\" target=\"_blank\" rel=\"noreferrer noopener\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">+86 18191906640<\/mark><\/a><\/strong><\/strong><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Introduction Pressure vessel steel grades are specifically engineered for manufacturing boilers, storage tanks, and high-pressure equipment. Selecting the right pressure vessel steel plate is essential to ensure safety, long-term performance, and compliance with international standards such as ASTM, EN, and GB. This guide provides a practical comparison of pressure vessel steel grades, including ASTM, EN, [&hellip;]<\/p>","protected":false},"author":1,"featured_media":7841,"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-6886","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"metadata":{"_edit_lock":["1774429452:1"],"_edit_last":["1"],"_aioseo_title":["Pressure Vessel Steel Grades Comparison &amp; Equivalent"],"_aioseo_description":["Compare pressure vessel steel grades and equivalents across ASTM, EN, and GB standards. Find A516, P265GH, Q345R steel plate options for pressure vessels."],"_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],"catce":["sidebar-widgets4"],"views":["6544"],"themepark_seo_title":["Pressure Vessel Steel Grades Comparison & Equivalent"],"themepark_seo_description":["Compare pressure vessel steel grades and equivalents across ASTM, EN, and GB standards. Find A516, P265GH, Q345R steel plate options for pressure vessels."],"themepark_seo_keyword":["pressure vessel steel grades, pressure vessel steel plate, pressure vessel plate material, pressure vessel material grade"],"_wp_old_date":["2025-11-04","2025-12-11","2026-01-13"],"_thumbnail_id":["7841"]},"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 pressure vessel steel grades and equivalents across ASTM, EN, and GB standards. 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For less demanding applications, Q245R is used.\n"}]}}]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":"-1","robots_max_videopreview":"-1","robots_max_imagepreview":"large","priority":null,"frequency":"default","local_seo":null,"limit_modified_date":false,"created":"2025-07-11 02:50:47","updated":"2026-03-25 09:13:46"},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t<a href=\"https:\/\/www.cjmsteelgroup.com\/es\" title=\"Home\">Home<\/a>\n<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t<a href=\"https:\/\/www.cjmsteelgroup.com\/es\/news\/\" title=\"News\">News<\/a>\n<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\tPressure Vessel Steel Grades Comparison Guide (ASTM, EN, GB &amp; Equivalent Chart)\n<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/www.cjmsteelgroup.com\/es"},{"label":"News","link":"https:\/\/www.cjmsteelgroup.com\/es\/news\/"},{"label":"Pressure Vessel Steel Grades Comparison Guide (ASTM, EN, GB &amp; Equivalent Chart)","link":"https:\/\/www.cjmsteelgroup.com\/es\/pressure-vessel-steel-plate-comparison-guide.html"}],"medium_url":"https:\/\/www.cjmsteelgroup.com\/wp-content\/uploads\/2025\/11\/pressure-vessel-steel-plates-in-boilers-and-LNG-storage-tanks-300x209.jpg","thumbnail_url":"https:\/\/www.cjmsteelgroup.com\/wp-content\/uploads\/2025\/11\/pressure-vessel-steel-plates-in-boilers-and-LNG-storage-tanks-150x150.jpg","full_url":"https:\/\/www.cjmsteelgroup.com\/wp-content\/uploads\/2025\/11\/pressure-vessel-steel-plates-in-boilers-and-LNG-storage-tanks.jpg","_links":{"self":[{"href":"https:\/\/www.cjmsteelgroup.com\/es\/wp-json\/wp\/v2\/posts\/6886","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.cjmsteelgroup.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.cjmsteelgroup.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.cjmsteelgroup.com\/es\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cjmsteelgroup.com\/es\/wp-json\/wp\/v2\/comments?post=6886"}],"version-history":[{"count":15,"href":"https:\/\/www.cjmsteelgroup.com\/es\/wp-json\/wp\/v2\/posts\/6886\/revisions"}],"predecessor-version":[{"id":8205,"href":"https:\/\/www.cjmsteelgroup.com\/es\/wp-json\/wp\/v2\/posts\/6886\/revisions\/8205"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.cjmsteelgroup.com\/es\/wp-json\/wp\/v2\/media\/7841"}],"wp:attachment":[{"href":"https:\/\/www.cjmsteelgroup.com\/es\/wp-json\/wp\/v2\/media?parent=6886"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cjmsteelgroup.com\/es\/wp-json\/wp\/v2\/categories?post=6886"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cjmsteelgroup.com\/es\/wp-json\/wp\/v2\/tags?post=6886"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}