{"id":7726,"date":"2026-04-27T07:41:05","date_gmt":"2026-04-27T07:41:05","guid":{"rendered":"https:\/\/www.shandongruiying.com\/?p=7726"},"modified":"2026-04-27T07:41:48","modified_gmt":"2026-04-27T07:41:48","slug":"astm-a572-vs-en-s355jr-a-detailed-comparison-of-high-strength-low-alloy-steel-grades","status":"publish","type":"post","link":"https:\/\/www.shandongruiying.com\/ar\/astm-a572-vs-en-s355jr-a-detailed-comparison-of-high-strength-low-alloy-steel-grades\/","title":{"rendered":"ASTM A572 \u0645\u0642\u0627\u0628\u0644 EN S355JR: \u0645\u0642\u0627\u0631\u0646\u0629 \u062a\u0641\u0635\u064a\u0644\u064a\u0629 \u0628\u064a\u0646 \u062f\u0631\u062c\u0627\u062a \u0627\u0644\u0641\u0648\u0644\u0627\u0630 \u0645\u0646\u062e\u0641\u0636 \u0627\u0644\u0633\u0628\u0627\u0626\u0643 \u0639\u0627\u0644\u064a \u0627\u0644\u0642\u0648\u0629"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\u062a\u064f\u0633\u062a\u062e\u062f\u0645 \u0623\u0646\u0648\u0627\u0639 \u0627\u0644\u0641\u0648\u0644\u0627\u0630 \u0645\u0646\u062e\u0641\u0636 \u0627\u0644\u0633\u0628\u0627\u0626\u0643 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0642\u0648\u0629 (HSLA) \u0639\u0644\u0649 \u0646\u0637\u0627\u0642 \u0648\u0627\u0633\u0639 \u0641\u064a \u0645\u0634\u0627\u0631\u064a\u0639 \u0627\u0644\u0647\u0646\u062f\u0633\u0629 \u0627\u0644\u0625\u0646\u0634\u0627\u0626\u064a\u0629 \u0648\u0627\u0644\u0625\u0646\u0634\u0627\u0621\u0627\u062a \u0648\u0627\u0644\u0622\u0644\u0627\u062a \u0627\u0644\u062b\u0642\u064a\u0644\u0629 \u0648\u0627\u0644\u0628\u0646\u064a\u0629 \u0627\u0644\u062a\u062d\u062a\u064a\u0629 \u0641\u064a \u062c\u0645\u064a\u0639 \u0623\u0646\u062d\u0627\u0621 \u0627\u0644\u0639\u0627\u0644\u0645\u060c \u062d\u064a\u062b \u064a\u064f\u0639\u062f ASTM A572 (\u0627\u0644\u0645\u0639\u064a\u0627\u0631 \u0627\u0644\u0623\u0645\u0631\u064a\u0643\u064a) \u0648EN S355JR (\u0627\u0644\u0645\u0639\u064a\u0627\u0631 \u0627\u0644\u0623\u0648\u0631\u0648\u0628\u064a) \u0645\u0646 \u0623\u0643\u062b\u0631 \u0627\u0644\u062f\u0631\u062c\u0627\u062a \u0634\u064a\u0648\u0639\u064b\u0627. \u0641\u064a \u062d\u064a\u0646 \u0623\u0646 \u0643\u0644\u0627\u0647\u0645\u0627 \u0645\u0635\u0645\u0645 \u0644\u062a\u0648\u0641\u064a\u0631 \u0642\u0648\u0629 \u0648\u0635\u0644\u0627\u0628\u0629 \u0648\u0642\u0627\u0628\u0644\u064a\u0629 \u0644\u062d\u0627\u0645 \u0645\u0645\u062a\u0627\u0632\u0629 \u062f\u0648\u0646 \u0645\u062d\u062a\u0648\u0649 \u0632\u0627\u0626\u062f \u0645\u0646 \u0627\u0644\u0643\u0631\u0628\u0648\u0646\u060c \u0625\u0644\u0627 \u0623\u0646\u0647\u0645\u0627 \u064a\u062e\u062a\u0644\u0641\u0627\u0646 \u0627\u062e\u062a\u0644\u0627\u0641\u064b\u0627 \u0643\u0628\u064a\u0631\u064b\u0627 \u0641\u064a \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a \u0648\u0627\u0644\u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0629 \u0648\u0646\u0637\u0627\u0642 \u0627\u0644\u062a\u0637\u0628\u064a\u0642 \u0648\u0627\u0644\u0627\u0645\u062a\u062b\u0627\u0644 \u0644\u0644\u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u0625\u0642\u0644\u064a\u0645\u064a\u0629 - \u0648\u0647\u064a \u062a\u0641\u0627\u0635\u064a\u0644 \u0623\u0633\u0627\u0633\u064a\u0629 \u064a\u062c\u0628 \u0639\u0644\u0649 \u0627\u0644\u0645\u0634\u062a\u0631\u064a\u0646 \u0627\u0644\u0639\u0627\u0644\u0645\u064a\u064a\u0646 \u0641\u0647\u0645\u0647\u0627 \u0639\u0646\u062f \u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0648\u0627\u062f \u0644\u0644\u0645\u0634\u0627\u0631\u064a\u0639 \u0627\u0644\u0639\u0627\u0628\u0631\u0629 \u0644\u0644\u062d\u062f\u0648\u062f.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img alt=\"\" fetchpriority=\"high\" decoding=\"async\" width=\"550\" height=\"550\" src=\"https:\/\/www.shandongruiying.com\/wp-content\/uploads\/2026\/04\/\u56fe\u724719.png\" class=\"wp-image-7730\" srcset=\"https:\/\/www.shandongruiying.com\/wp-content\/uploads\/2026\/04\/\u56fe\u724719.png 550w, https:\/\/www.shandongruiying.com\/wp-content\/uploads\/2026\/04\/\u56fe\u724719-300x300.png 300w, https:\/\/www.shandongruiying.com\/wp-content\/uploads\/2026\/04\/\u56fe\u724719-150x150.png 150w, https:\/\/www.shandongruiying.com\/wp-content\/uploads\/2026\/04\/\u56fe\u724719-12x12.png 12w, https:\/\/www.shandongruiying.com\/wp-content\/uploads\/2026\/04\/\u56fe\u724719-100x100.png 100w\" sizes=\"(max-width: 550px) 100vw, 550px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>1. \u0646\u0638\u0631\u0629 \u0639\u0627\u0645\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u0639\u064a\u0627\u0631 \u0627\u0644\u0623\u0633\u0627\u0633\u064a \u0648\u0627\u0644\u062f\u0631\u062c\u0629 \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629<\/strong><strong><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">- ASTM A572: \u0647\u0630\u0627 \u0647\u0648 \u0645\u0639\u064a\u0627\u0631 \u0627\u0644\u062c\u0645\u0639\u064a\u0629 \u0627\u0644\u0623\u0645\u0631\u064a\u0643\u064a\u0629 \u0644\u0644\u0627\u062e\u062a\u0628\u0627\u0631 \u0648\u0627\u0644\u0645\u0648\u0627\u062f (ASTM) \u0644\u0644\u0635\u0644\u0628 \u0627\u0644\u0625\u0646\u0634\u0627\u0626\u064a HSLA\u060c \u0648\u0647\u0648 \u0645\u062a\u0648\u0641\u0631 \u0641\u064a \u062f\u0631\u062c\u0627\u062a \u0645\u062a\u0639\u062f\u062f\u0629 (\u0627\u0644\u062f\u0631\u062c\u0627\u062a 42\u060c 50\u060c 55\u060c 60\u060c 65) \u0628\u0646\u0627\u0621\u064b \u0639\u0644\u0649 \u0627\u0644\u062d\u062f \u0627\u0644\u0623\u062f\u0646\u0649 \u0645\u0646 \u0642\u0648\u0629 \u0627\u0644\u062e\u0636\u0648\u0639 (\u0628\u0627\u0644\u0643\u064a\u0644\u0648 \u0628\u0627\u0633\u0643\u0627\u0644). \u064a\u062a\u0645 \u0627\u0639\u062a\u0645\u0627\u062f\u0647 \u0639\u0644\u0649 \u0646\u0637\u0627\u0642 \u0648\u0627\u0633\u0639 \u0641\u064a \u0623\u0645\u0631\u064a\u0643\u0627 \u0627\u0644\u0634\u0645\u0627\u0644\u064a\u0629 \u0648\u0627\u0644\u0623\u0633\u0648\u0627\u0642 \u0627\u0644\u0623\u062e\u0631\u0649 \u0627\u0644\u062a\u064a \u062a\u062a\u0628\u0639 \u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0647\u0646\u062f\u0633\u064a\u0629 \u0627\u0644\u0623\u0645\u0631\u064a\u0643\u064a\u0629\u060c \u062d\u064a\u062b \u062a\u0639\u062a\u0628\u0631 \u0627\u0644\u062f\u0631\u062c\u0629 50 \u0647\u064a \u0627\u0644\u0623\u0643\u062b\u0631 \u0634\u064a\u0648\u0639\u064b\u0627 \u0644\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0647\u064a\u0643\u0644\u064a \u0627\u0644\u0639\u0627\u0645.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">- EN S355JR: \u0647\u0630\u0647 \u0647\u064a \u062f\u0631\u062c\u0629 \u0627\u0644\u0645\u0639\u064a\u0627\u0631 \u0627\u0644\u0623\u0648\u0631\u0648\u0628\u064a (EN) \u0628\u0645\u0648\u062c\u0628 \u0645\u0639\u064a\u0627\u0631 EN 10025-2\u060c \u0648\u0647\u0648 \u0641\u0648\u0644\u0627\u0630 \u0647\u064a\u0643\u0644\u064a \u0645\u0646\u062e\u0641\u0636 \u0627\u0644\u0633\u0628\u0627\u0626\u0643 \u0628\u0645\u0642\u0627\u0648\u0645\u0629 \u062e\u0636\u0648\u0639 \u0644\u0627 \u062a\u0642\u0644 \u0639\u0646 355 \u0645\u064a\u062c\u0627 \u0628\u0627\u0633\u0643\u0627\u0644. \u062a\u0634\u064a\u0631 \u0644\u0627\u062d\u0642\u0629 \"JR\" \u0625\u0644\u0649 \u0623\u0646\u0647\u0627 \u062a\u0641\u064a \u0628\u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0635\u062f\u0645\u0629 \u062a\u0634\u0627\u0631\u0628\u064a \u0641\u064a \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u063a\u0631\u0641\u0629 (27 J \u0639\u0646\u062f 20 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629). \u0648\u0647\u064a \u062f\u0631\u062c\u0629 \u0627\u0644\u0641\u0648\u0644\u0627\u0630 \u0627\u0644\u0625\u0646\u0634\u0627\u0626\u064a\u0629 \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629 \u0644\u0644\u0645\u0634\u0627\u0631\u064a\u0639 \u0641\u064a \u0627\u0644\u0627\u062a\u062d\u0627\u062f \u0627\u0644\u0623\u0648\u0631\u0648\u0628\u064a \u0648\u0627\u0644\u0623\u0633\u0648\u0627\u0642 \u0627\u0644\u062a\u064a \u062a\u062a\u0628\u0639 \u0642\u0648\u0627\u0646\u064a\u0646 \u0627\u0644\u0628\u0646\u0627\u0621 \u0627\u0644\u0623\u0648\u0631\u0648\u0628\u064a\u0629.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2. \u0627\u0644\u0627\u062e\u062a\u0644\u0627\u0641\u0627\u062a \u0641\u064a \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a<\/strong><strong><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0639\u0644\u0649 \u0627\u0644\u0631\u063a\u0645 \u0645\u0646 \u0623\u0646 \u0643\u0644\u0627 \u0627\u0644\u062f\u0631\u062c\u062a\u064a\u0646 \u0645\u0646 \u0627\u0644\u0641\u0648\u0644\u0627\u0630 \u0645\u0646\u062e\u0641\u0636 \u0627\u0644\u0643\u0631\u0628\u0648\u0646 (\u0645\u062d\u062a\u0648\u0649 \u0627\u0644\u0643\u0631\u0628\u0648\u0646 \u2264 0.25% \u0644\u0645\u0639\u0638\u0645 \u0627\u0644\u0645\u062a\u063a\u064a\u0631\u0627\u062a) \u0645\u0639 \u0639\u0646\u0627\u0635\u0631 \u0627\u0644\u0633\u0628\u0627\u0626\u0643 \u0645\u062b\u0644 \u0627\u0644\u0645\u0646\u062c\u0646\u064a\u0632 \u0648\u0627\u0644\u0633\u064a\u0644\u064a\u0643\u0648\u0646 \u0648\u0643\u0645\u064a\u0627\u062a \u0636\u0626\u064a\u0644\u0629 \u0645\u0646 \u0627\u0644\u0646\u064a\u0648\u0628\u064a\u0648\u0645\/\u0627\u0644\u0641\u0627\u0646\u0627\u062f\u064a\u0648\u0645 \u0644\u062a\u0639\u0632\u064a\u0632 \u0627\u0644\u0642\u0648\u0629\u060c \u0625\u0644\u0627 \u0623\u0646 \u0647\u0646\u0627\u0643 \u0627\u062e\u062a\u0644\u0627\u0641\u0627\u062a \u0631\u0626\u064a\u0633\u064a\u0629 \u0641\u064a \u062d\u062f\u0648\u062f \u062a\u0631\u0643\u064a\u0628\u0647\u0627:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>\u0627\u0644\u0639\u0646\u0635\u0631<\/strong><strong><\/strong><\/td><td><strong>ASTM A572 \u062f\u0631\u062c\u0629 50 (\u0627\u0644\u0646\u0637\u0627\u0642 \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a)<\/strong><strong><\/strong><\/td><td><strong>EN S355JR (\u0627\u0644\u0646\u0637\u0627\u0642 \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a)<\/strong><strong><\/strong><\/td><\/tr><tr><td>\u0627\u0644\u0643\u0631\u0628\u0648\u0646 (C)<\/td><td>\u2264 0.23%<\/td><td>\u2264 0.24%<\/td><\/tr><tr><td>\u0627\u0644\u0645\u0646\u062c\u0646\u064a\u0632 (Mn)<\/td><td>\u2264 1.35%<\/td><td>\u2264 1.60%<\/td><\/tr><tr><td>\u0627\u0644\u0633\u064a\u0644\u064a\u0643\u0648\u0646 (Si)<\/td><td>\u2264 0.40%<\/td><td>\u2264 0.55%<\/td><\/tr><tr><td>\u0627\u0644\u0641\u0648\u0633\u0641\u0648\u0631 (P)<\/td><td>\u2264 0.040%<\/td><td>\u2264 0.040%<\/td><\/tr><tr><td>\u0627\u0644\u0643\u0628\u0631\u064a\u062a (S)<\/td><td>\u2264 0.0.050%<\/td><td>\u2264 0.040%<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0648\u062a\u062c\u062f\u0631 \u0627\u0644\u0625\u0634\u0627\u0631\u0629 \u0625\u0644\u0649 \u0623\u0646 S355JR \u064a\u0633\u0645\u062d \u0628\u0645\u062d\u062a\u0648\u0649 \u0623\u0639\u0644\u0649 \u0645\u0646 \u0627\u0644\u0645\u0646\u062c\u0646\u064a\u0632\u060c \u0645\u0645\u0627 \u064a\u062d\u0633\u0646 \u0645\u0646 \u0627\u0644\u0635\u0644\u0627\u0628\u0629 \u0648\u0627\u0644\u0645\u062a\u0627\u0646\u0629\u060c \u0641\u064a \u062d\u064a\u0646 \u0623\u0646 A572 \u062f\u0631\u062c\u0629 50 \u0644\u062f\u064a\u0647\u0627 \u062d\u062f\u0648\u062f \u0643\u0628\u0631\u064a\u062a \u0623\u0643\u062b\u0631 \u0635\u0631\u0627\u0645\u0629 \u0642\u0644\u064a\u0644\u0627\u064b \u0641\u064a \u0628\u0639\u0636 \u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a\u060c \u0645\u0645\u0627 \u064a\u062c\u0639\u0644\u0647\u0627 \u0645\u0646\u0627\u0633\u0628\u0629 \u0644\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u062a\u0637\u0644\u0628 \u0642\u0627\u0628\u0644\u064a\u0629 \u062a\u0634\u0643\u064a\u0644 \u0623\u0641\u0636\u0644.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>3. \u0645\u0642\u0627\u0631\u0646\u0629 \u0627\u0644\u062e\u0648\u0627\u0635 \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0629<\/strong><strong><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0648\u064a\u0643\u0645\u0646 \u0627\u0644\u0627\u062e\u062a\u0644\u0627\u0641 \u0627\u0644\u0623\u0643\u062b\u0631 \u0623\u0647\u0645\u064a\u0629 \u0641\u064a \u0627\u0644\u062e\u0648\u0627\u0635 \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0629\u060c \u062e\u0627\u0635\u0629\u064b \u0642\u0648\u0629 \u0627\u0644\u062e\u0636\u0648\u0639 \u0648\u0642\u0648\u0629 \u0627\u0644\u0634\u062f:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>\u0627\u0644\u0645\u0645\u062a\u0644\u0643\u0627\u062a<\/strong><strong><\/strong><\/td><td><strong>ASTM A572 \u062f\u0631\u062c\u0629 50<\/strong><strong><\/strong><\/td><td><strong>EN S355JR EN S355JR<\/strong><strong><\/strong><\/td><\/tr><tr><td>\u0627\u0644\u062d\u062f \u0627\u0644\u0623\u062f\u0646\u0649 \u0644\u0642\u0648\u0629 \u0627\u0644\u062e\u0636\u0648\u0639<\/td><td>50 \u0643\u0633\u064a (\u2248 345 \u0645\u064a\u062c\u0627 \u0628\u0627\u0633\u0643\u0627\u0644)<\/td><td>355 \u0645\u064a\u062c\u0627 \u0628\u0627\u0633\u0643\u0627\u0644 (\u2248 51.5 \u0643\u0633\u064a)<\/td><\/tr><tr><td>\u0646\u0637\u0627\u0642 \u0642\u0648\u0629 \u0627\u0644\u0634\u062f<\/td><td>60-100 \u0643\u0633\u064a (\u2248 415-690 \u0645\u064a\u062c\u0627 \u0628\u0627\u0633\u0643\u0627\u0644)<\/td><td>470-630 \u0645\u064a\u062c\u0627 \u0628\u0627\u0633\u0643\u0627\u0644 (\u2248 68-91 \u0643\u0633\u064a)<\/td><\/tr><tr><td>\u0627\u0644\u0627\u0633\u062a\u0637\u0627\u0644\u0629 (\u0645\u0642\u064a\u0627\u0633 2\u2033)<\/td><td>\u2265 18%<\/td><td>\u2265 20% (\u0644\u0644\u0633\u0645\u0643 \u2264 40 \u0645\u0645)<\/td><\/tr><tr><td>\u0645\u062a\u0627\u0646\u0629 \u0627\u0644\u062a\u0635\u0627\u062f\u0645 (\u0627\u0644\u0634\u0642 \u0639\u0644\u0649 \u0634\u0643\u0644 \u062d\u0631\u0641 V \u0645\u0646 \u0634\u0627\u0631\u0628\u064a)<\/td><td>\u0627\u062e\u062a\u064a\u0627\u0631\u064a (\u064a\u0639\u062a\u0645\u062f \u0639\u0644\u0649 \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u0645\u0634\u0631\u0648\u0639\u061b \u062a\u0623\u062b\u064a\u0631 \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u063a\u0631\u0641\u0629 \u063a\u064a\u0631 \u0625\u0644\u0632\u0627\u0645\u064a \u0644\u0644\u062f\u0631\u062c\u0629 \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629)<\/td><td>27 \u064a \u0639\u0646\u062f 20 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629 (\u0625\u0644\u0632\u0627\u0645\u064a)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0648\u0639\u0644\u0649 \u0627\u0644\u0631\u063a\u0645 \u0645\u0646 \u0623\u0646 \u0643\u0644\u0627 \u0627\u0644\u062f\u0631\u062c\u062a\u064a\u0646 \u062a\u062a\u0645\u062a\u0639\u0627\u0646 \u0628\u0642\u0648\u0629 \u062e\u0636\u0648\u0639 \u0645\u062a\u0634\u0627\u0628\u0647\u0629 (345 \u0645\u064a\u062c\u0627 \u0628\u0627\u0633\u0643\u0627\u0644 \u0645\u0642\u0627\u0628\u0644 355 \u0645\u064a\u062c\u0627 \u0628\u0627\u0633\u0643\u0627\u0644)\u060c \u0625\u0644\u0627 \u0623\u0646 S355JR \u062a\u0648\u0641\u0631 \u0627\u0633\u062a\u0637\u0627\u0644\u0629 \u0623\u0639\u0644\u0649 \u0642\u0644\u064a\u0644\u0627\u064b\u060c \u0645\u0645\u0627 \u064a\u0634\u064a\u0631 \u0625\u0644\u0649 \u0644\u064a\u0648\u0646\u0629 \u0623\u0641\u0636\u0644. \u0648\u0628\u0627\u0644\u0625\u0636\u0627\u0641\u0629 \u0625\u0644\u0649 \u0630\u0644\u0643\u060c \u064a\u0636\u0645\u0646 \u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0635\u062f\u0645 \u0627\u0644\u0625\u0644\u0632\u0627\u0645\u064a \u0641\u064a \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u063a\u0631\u0641\u0629 \u0644 S355JR \u0635\u0644\u0627\u0628\u0629 \u062b\u0627\u0628\u062a\u0629\u060c \u0645\u0645\u0627 \u064a\u062c\u0639\u0644\u0647 \u0623\u0643\u062b\u0631 \u0645\u0648\u062b\u0648\u0642\u064a\u0629 \u0644\u0645\u0634\u0627\u0631\u064a\u0639 \u0627\u0644\u0628\u0646\u0627\u0621 \u0641\u064a \u0627\u0644\u0647\u0648\u0627\u0621 \u0627\u0644\u0637\u0644\u0642 \u0623\u0648 \u0641\u064a \u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0645\u0646\u062e\u0641\u0636\u0629\u060c \u0641\u064a \u062d\u064a\u0646 \u0642\u062f \u062a\u062a\u0637\u0644\u0628 \u062f\u0631\u062c\u0629 A572 \u062f\u0631\u062c\u0629 50 \u0627\u062e\u062a\u0628\u0627\u0631 \u0635\u062f\u0645 \u0625\u0636\u0627\u0641\u064a \u0644\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0641\u064a \u0627\u0644\u0645\u0646\u0627\u062e \u0627\u0644\u0628\u0627\u0631\u062f.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img alt=\"\" decoding=\"async\" width=\"1000\" height=\"925\" src=\"https:\/\/www.shandongruiying.com\/wp-content\/uploads\/2026\/04\/20.jpg\" class=\"wp-image-7731\" srcset=\"https:\/\/www.shandongruiying.com\/wp-content\/uploads\/2026\/04\/20.jpg 1000w, https:\/\/www.shandongruiying.com\/wp-content\/uploads\/2026\/04\/20-300x278.jpg 300w, https:\/\/www.shandongruiying.com\/wp-content\/uploads\/2026\/04\/20-768x710.jpg 768w, https:\/\/www.shandongruiying.com\/wp-content\/uploads\/2026\/04\/20-13x12.jpg 13w, https:\/\/www.shandongruiying.com\/wp-content\/uploads\/2026\/04\/20-600x555.jpg 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>4. \u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u0644\u062d\u0627\u0645 \u0648\u0627\u0644\u062a\u0634\u0643\u064a\u0644<\/strong><strong><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0635\u064f\u0645\u0645 \u0643\u0644 \u0645\u0646 ASTM A572 \u0648EN S355JR \u0644\u0642\u0627\u0628\u0644\u064a\u0629 \u0644\u062d\u0627\u0645 \u0645\u0645\u062a\u0627\u0632\u0629\u060c \u0648\u0630\u0644\u0643 \u0628\u0641\u0636\u0644 \u0642\u064a\u0645 \u0645\u0643\u0627\u0641\u0626 \u0627\u0644\u0643\u0631\u0628\u0648\u0646 \u0627\u0644\u0645\u0646\u062e\u0641\u0636\u0629 (CEV)\u060c \u0648\u0627\u0644\u062a\u064a \u062a\u0642\u0644\u0644 \u0645\u0646 \u062e\u0637\u0631 \u0627\u0644\u062a\u0634\u0642\u0642 \u0627\u0644\u0628\u0627\u0631\u062f \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u0644\u062d\u0627\u0645. \u0648\u0645\u0639 \u0630\u0644\u0643\u060c \u0646\u0638\u0631\u064b\u0627 \u0644\u0645\u062d\u062a\u0648\u0649 \u0627\u0644\u0645\u0646\u062c\u0646\u064a\u0632 \u0648\u0627\u0644\u0633\u064a\u0644\u064a\u0643\u0648\u0646 \u0627\u0644\u0645\u0631\u062a\u0641\u0639 \u0642\u0644\u064a\u0644\u0627\u064b \u0641\u064a S355JR\u060c \u0641\u0642\u062f \u064a\u062a\u0637\u0644\u0628 \u0627\u0644\u0623\u0645\u0631 \u062a\u0639\u062f\u064a\u0644\u0627\u062a \u0637\u0641\u064a\u0641\u0629 \u0639\u0644\u0649 \u0645\u0639\u0644\u0645\u0627\u062a \u0627\u0644\u0644\u062d\u0627\u0645 (\u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \u0627\u0644\u062a\u0633\u062e\u064a\u0646 \u0627\u0644\u0645\u0633\u0628\u0642 \u0644\u0644\u0623\u0642\u0633\u0627\u0645 \u0627\u0644\u0633\u0645\u064a\u0643\u0629) \u0645\u0642\u0627\u0631\u0646\u0629\u064b \u0628\u0627\u0644\u062f\u0631\u062c\u0629 A572 \u062f\u0631\u062c\u0629 50.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u062a\u0634\u0643\u064a\u0644\u060c \u064a\u064f\u0641\u0636\u0644 \u0639\u0644\u0649 \u0646\u0637\u0627\u0642 \u0648\u0627\u0633\u0639 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 A572 \u062f\u0631\u062c\u0629 50 \u0644\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u062a\u0637\u0644\u0628 \u0627\u0644\u062b\u0646\u064a \u0623\u0648 \u0627\u0644\u062e\u062a\u0645 \u0623\u0648 \u0627\u0644\u062a\u0634\u0643\u064a\u0644 \u0639\u0644\u0649 \u0627\u0644\u0628\u0627\u0631\u062f\u060c \u0648\u0630\u0644\u0643 \u0628\u0641\u0636\u0644 \u062a\u0631\u0643\u064a\u0628\u062a\u0647 \u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a\u0629 \u0627\u0644\u0645\u062a\u0648\u0627\u0632\u0646\u0629 \u0648\u062e\u0635\u0627\u0626\u0635\u0647 \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0629 \u0627\u0644\u0645\u062a\u0633\u0642\u0629. \u0642\u062f \u064a\u064f\u0638\u0647\u0631 S355JR\u060c \u0639\u0644\u0649 \u0627\u0644\u0631\u063a\u0645 \u0645\u0646 \u0642\u0627\u0628\u0644\u064a\u062a\u0647 \u0644\u0644\u062a\u0634\u0643\u064a\u0644\u060c \u0627\u0631\u062a\u062f\u0627\u062f\u064b\u0627 \u0623\u0639\u0644\u0649 \u0641\u064a \u0639\u0645\u0644\u064a\u0627\u062a \u0627\u0644\u062a\u0634\u0643\u064a\u0644 \u0639\u0644\u0649 \u0627\u0644\u0628\u0627\u0631\u062f \u0628\u0633\u0628\u0628 \u0642\u0648\u062a\u0647 \u0627\u0644\u0639\u0627\u0644\u064a\u0629.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>5. \u0633\u064a\u0646\u0627\u0631\u064a\u0648\u0647\u0627\u062a \u0627\u0644\u062a\u0637\u0628\u064a\u0642<\/strong><strong><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">- ASTM A572 \u062f\u0631\u062c\u0629 50: \u064a\u0634\u064a\u0639 \u0627\u0633\u062a\u062e\u062f\u0627\u0645\u0647 \u0641\u064a \u0645\u0634\u0631\u0648\u0639\u0627\u062a \u0627\u0644\u0628\u0646\u064a\u0629 \u0627\u0644\u062a\u062d\u062a\u064a\u0629 \u0641\u064a \u0623\u0645\u0631\u064a\u0643\u0627 \u0627\u0644\u0634\u0645\u0627\u0644\u064a\u0629\u060c \u0628\u0645\u0627 \u0641\u064a \u0630\u0644\u0643 \u0627\u0644\u062c\u0633\u0648\u0631 \u0648\u0627\u0644\u0645\u0628\u0627\u0646\u064a \u0648\u0625\u0637\u0627\u0631\u0627\u062a \u0627\u0644\u0622\u0644\u0627\u062a \u0627\u0644\u062b\u0642\u064a\u0644\u0629 \u0648\u0645\u0639\u062f\u0627\u062a \u0627\u0644\u0646\u0642\u0644 (\u0645\u062b\u0644 \u0645\u0642\u0637\u0648\u0631\u0627\u062a \u0627\u0644\u0634\u0627\u062d\u0646\u0627\u062a). \u0643\u0645\u0627 \u0623\u0646\u0647\u0627 \u0634\u0627\u0626\u0639\u0629 \u0627\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0641\u064a \u0645\u0634\u0631\u0648\u0639\u0627\u062a \u0627\u0644\u0646\u0641\u0637 \u0648\u0627\u0644\u063a\u0627\u0632 \u0627\u0644\u062a\u064a \u062a\u062a\u0628\u0639 \u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u0635\u0646\u0627\u0639\u0629 \u0627\u0644\u0623\u0645\u0631\u064a\u0643\u064a\u0629.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">- EN S355JR: \u0627\u0644\u0631\u062a\u0628\u0629 EN S355JR: \u0627\u0644\u0631\u062a\u0628\u0629 \u0627\u0644\u0645\u0641\u0636\u0644\u0629 \u0644\u0645\u0634\u0627\u0631\u064a\u0639 \u0627\u0644\u0628\u0646\u0627\u0621 \u0627\u0644\u0623\u0648\u0631\u0648\u0628\u064a\u0629\u060c \u0628\u0645\u0627 \u0641\u064a \u0630\u0644\u0643 \u0627\u0644\u0645\u0628\u0627\u0646\u064a \u0627\u0644\u0634\u0627\u0647\u0642\u0629 \u0648\u0627\u0644\u062c\u0633\u0648\u0631 \u0648\u0627\u0644\u0647\u064a\u0627\u0643\u0644 \u0627\u0644\u0628\u062d\u0631\u064a\u0629 \u0648\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u0647\u0646\u062f\u0633\u064a\u0629 \u0627\u0644\u0639\u0627\u0645\u0629. \u0643\u0645\u0627 \u0623\u0646\u0647\u0627 \u062a\u064f\u0633\u062a\u062e\u062f\u0645 \u0639\u0644\u0649 \u0646\u0637\u0627\u0642 \u0648\u0627\u0633\u0639 \u0641\u064a \u0645\u0634\u0631\u0648\u0639\u0627\u062a \u0627\u0644\u062a\u0635\u062f\u064a\u0631 \u0625\u0644\u0649 \u0627\u0644\u0623\u0633\u0648\u0627\u0642 \u0641\u064a \u0623\u0641\u0631\u064a\u0642\u064a\u0627 \u0648\u0627\u0644\u0634\u0631\u0642 \u0627\u0644\u0623\u0648\u0633\u0637 \u0648\u062c\u0646\u0648\u0628 \u0634\u0631\u0642 \u0622\u0633\u064a\u0627 \u0627\u0644\u062a\u064a \u062a\u0639\u062a\u0645\u062f \u0642\u0648\u0627\u0646\u064a\u0646 \u0627\u0644\u0628\u0646\u0627\u0621 \u0627\u0644\u0623\u0648\u0631\u0648\u0628\u064a\u0629.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>6. \u0627\u0644\u0627\u0639\u062a\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629 \u0644\u0644\u0645\u0634\u062a\u0631\u064a\u0646 \u0627\u0644\u0639\u0627\u0644\u0645\u064a\u064a\u0646<\/strong><strong><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0639\u0646\u062f \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631 \u0628\u064a\u0646 \u0647\u0627\u062a\u064a\u0646 \u0627\u0644\u062f\u0631\u062c\u062a\u064a\u0646 \u0644\u0644\u0645\u0634\u0627\u0631\u064a\u0639 \u0627\u0644\u062f\u0648\u0644\u064a\u0629\u060c \u064a\u062c\u0628 \u0639\u0644\u0649 \u0627\u0644\u0645\u0634\u062a\u0631\u064a\u0646 \u0645\u0631\u0627\u0639\u0627\u0629 \u0645\u0627 \u064a\u0644\u064a:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1. \u0627\u0644\u0627\u0645\u062a\u062b\u0627\u0644 \u0644\u0644\u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u0625\u0642\u0644\u064a\u0645\u064a\u0629: \u062a\u0623\u0643\u062f \u0645\u0646 \u0623\u0646 \u0627\u0644\u062f\u0631\u062c\u0629 \u062a\u0641\u064a \u0628\u0642\u0648\u0627\u0646\u064a\u0646 \u0627\u0644\u0628\u0646\u0627\u0621 \u0627\u0644\u0645\u062d\u0644\u064a\u0629 \u0648\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0647\u0646\u062f\u0633\u064a\u0629 \u0644\u0645\u0648\u0642\u0639 \u0627\u0644\u0645\u0634\u0631\u0648\u0639. \u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \u062a\u062a\u0637\u0644\u0628 \u0627\u0644\u0645\u0634\u0627\u0631\u064a\u0639 \u0641\u064a \u0627\u0644\u0627\u062a\u062d\u0627\u062f \u0627\u0644\u0623\u0648\u0631\u0648\u0628\u064a S355JR\u060c \u0628\u064a\u0646\u0645\u0627 \u062a\u062a\u0637\u0644\u0628 \u0627\u0644\u0645\u0634\u0627\u0631\u064a\u0639 \u0641\u064a \u0627\u0644\u0648\u0644\u0627\u064a\u0627\u062a \u0627\u0644\u0645\u062a\u062d\u062f\u0629 \u0639\u0627\u062f\u0629\u064b ASTM A572.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2. \u0627\u0644\u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0629: \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u0645\u0634\u0627\u0631\u064a\u0639 \u0627\u0644\u062a\u064a \u062a\u062a\u0637\u0644\u0628 \u0635\u0644\u0627\u0628\u0629 \u0635\u062f\u0645\u064a\u0629 \u0645\u0636\u0645\u0648\u0646\u0629 \u0641\u064a \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u063a\u0631\u0641\u0629\u060c \u064a\u0639\u062a\u0628\u0631 S355JR \u062e\u064a\u0627\u0631\u064b\u0627 \u0623\u0643\u062b\u0631 \u0648\u0636\u0648\u062d\u064b\u0627. \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u0639\u0637\u064a \u0627\u0644\u0623\u0648\u0644\u0648\u064a\u0629 \u0644\u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u062a\u0634\u0643\u064a\u0644 \u0639\u0644\u0649 \u0627\u0644\u0628\u0627\u0631\u062f\u060c \u0642\u062f \u064a\u0643\u0648\u0646 A572 Grade 50 \u0647\u0648 \u0627\u0644\u062e\u064a\u0627\u0631 \u0627\u0644\u0645\u0641\u0636\u0644.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3. \u062a\u0648\u0627\u0641\u0631 \u0633\u0644\u0633\u0644\u0629 \u0627\u0644\u062a\u0648\u0631\u064a\u062f: \u064a\u062a\u0648\u0641\u0631 ASTM A572 \u0628\u0633\u0647\u0648\u0644\u0629 \u0623\u0643\u0628\u0631 \u0641\u064a \u0623\u0645\u0631\u064a\u0643\u0627 \u0627\u0644\u0634\u0645\u0627\u0644\u064a\u0629\u060c \u0628\u064a\u0646\u0645\u0627 \u064a\u062a\u0648\u0641\u0631 S355JR \u0639\u0644\u0649 \u0646\u0637\u0627\u0642 \u0648\u0627\u0633\u0639 \u0641\u064a \u0645\u0635\u0627\u0646\u0639 \u0627\u0644\u0635\u0644\u0628 \u0627\u0644\u0623\u0648\u0631\u0648\u0628\u064a\u0629 \u0648\u0627\u0644\u0622\u0633\u064a\u0648\u064a\u0629\u060c \u0645\u0645\u0627 \u064a\u0633\u0647\u0644 \u0627\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u064a\u0647 \u0644\u0644\u0645\u0634\u0627\u0631\u064a\u0639 \u0641\u064a \u062a\u0644\u0643 \u0627\u0644\u0645\u0646\u0627\u0637\u0642.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4. \u0627\u0644\u062a\u0643\u0644\u0641\u0629 \u0648\u0627\u0644\u0634\u0647\u0627\u062f\u0627\u062a: \u0643\u0644\u062a\u0627 \u0627\u0644\u062f\u0631\u062c\u062a\u064a\u0646 \u0628\u0623\u0633\u0639\u0627\u0631 \u062a\u0646\u0627\u0641\u0633\u064a\u0629\u060c \u0648\u0644\u0643\u0646 \u064a\u062c\u0628 \u0639\u0644\u0649 \u0627\u0644\u0645\u0634\u062a\u0631\u064a\u0646 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0634\u0647\u0627\u062f\u0627\u062a \u0627\u0644\u0637\u0631\u0641 \u0627\u0644\u062b\u0627\u0644\u062b (\u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \u0639\u0644\u0627\u0645\u0629 CE \u0644\u0640 S355JR\u060c \u0648\u0634\u0647\u0627\u062f\u0627\u062a \u0627\u0644\u0627\u0645\u062a\u062b\u0627\u0644 ASTM \u0644\u0640 A572) \u0644\u062a\u062c\u0646\u0628 \u0627\u0644\u062a\u0623\u062e\u064a\u0631 \u0641\u064a \u0627\u0644\u062a\u062e\u0644\u064a\u0635 \u0627\u0644\u062c\u0645\u0631\u0643\u064a \u0648\u0627\u0644\u0645\u0648\u0627\u0641\u0642\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u0634\u0631\u0648\u0639.<\/p>","protected":false},"excerpt":{"rendered":"<p>High-strength low-alloy (HSLA) steels are widely used in structural engineering, construction, heavy machinery, and infrastructure projects worldwide, with ASTM A572 (the American standard) and EN S355JR (the European standard) being two of the most common grades. While both are designed to deliver excellent strength, toughness, and weldability without excessive carbon content, they differ significantly in [&hellip;]<\/p>","protected":false},"author":1,"featured_media":7729,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"ASTM A572 vs EN S355JR: HSLA Steel Comparison for Global Construction and Engineering","_seopress_titles_desc":"Compare ASTM A572 and EN S355JR high-strength low-alloy steels in terms of chemical composition, mechanical properties, and applications. A complete guide for global steel buyers.","_seopress_robots_index":"","_seopress_analysis_target_kw":"","_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","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":"","ast-breadcrumbs-content":"","ast-featured-img":"","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":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"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":""},"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":""},"categories":[54],"tags":[],"class_list":["post-7726","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"uagb_featured_image_src":{"full":["https:\/\/www.shandongruiying.com\/wp-content\/uploads\/2026\/04\/news-1.jpg",377,287,false],"thumbnail":["https:\/\/www.shandongruiying.com\/wp-content\/uploads\/2026\/04\/news-1-150x150.jpg",150,150,true],"medium":["https:\/\/www.shandongruiying.com\/wp-content\/uploads\/2026\/04\/news-1-300x228.jpg",300,228,true],"medium_large":["https:\/\/www.shandongruiying.com\/wp-content\/uploads\/2026\/04\/news-1.jpg",377,287,false],"large":["https:\/\/www.shandongruiying.com\/wp-content\/uploads\/2026\/04\/news-1.jpg",377,287,false],"1536x1536":["https:\/\/www.shandongruiying.com\/wp-content\/uploads\/2026\/04\/news-1.jpg",377,287,false],"2048x2048":["https:\/\/www.shandongruiying.com\/wp-content\/uploads\/2026\/04\/news-1.jpg",377,287,false],"trp-custom-language-flag":["https:\/\/www.shandongruiying.com\/wp-content\/uploads\/2026\/04\/news-1-16x12.jpg",16,12,true],"woocommerce_thumbnail":["https:\/\/www.shandongruiying.com\/wp-content\/uploads\/2026\/04\/news-1-300x287.jpg",300,287,true],"woocommerce_single":["https:\/\/www.shandongruiying.com\/wp-content\/uploads\/2026\/04\/news-1.jpg",377,287,false],"woocommerce_gallery_thumbnail":["https:\/\/www.shandongruiying.com\/wp-content\/uploads\/2026\/04\/news-1-100x100.jpg",100,100,true]},"uagb_author_info":{"display_name":"Shandong Ruiying Import and Export Trading Co., Ltd.","author_link":"https:\/\/www.shandongruiying.com\/ar\/author\/jinxing6611gmail-com\/"},"uagb_comment_info":0,"uagb_excerpt":"High-strength low-alloy (HSLA) steels are widely used in structural engineering, construction, heavy machinery, and infrastructure projects worldwide, with ASTM A572 (the American standard) and EN S355JR (the European standard) being two of the most common grades. While both are designed to deliver excellent strength, toughness, and weldability without excessive carbon content, they differ significantly in&hellip;","_links":{"self":[{"href":"https:\/\/www.shandongruiying.com\/ar\/wp-json\/wp\/v2\/posts\/7726","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.shandongruiying.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.shandongruiying.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.shandongruiying.com\/ar\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.shandongruiying.com\/ar\/wp-json\/wp\/v2\/comments?post=7726"}],"version-history":[{"count":0,"href":"https:\/\/www.shandongruiying.com\/ar\/wp-json\/wp\/v2\/posts\/7726\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.shandongruiying.com\/ar\/wp-json\/wp\/v2\/media\/7729"}],"wp:attachment":[{"href":"https:\/\/www.shandongruiying.com\/ar\/wp-json\/wp\/v2\/media?parent=7726"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.shandongruiying.com\/ar\/wp-json\/wp\/v2\/categories?post=7726"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.shandongruiying.com\/ar\/wp-json\/wp\/v2\/tags?post=7726"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}