{"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\/hi\/astm-a572-vs-en-s355jr-a-detailed-comparison-of-high-strength-low-alloy-steel-grades\/","title":{"rendered":"ASTM A572 \u092c\u0928\u093e\u092e EN S355JR: \u0909\u091a\u094d\u091a-\u092e\u091c\u092c\u0942\u0924\u0940 \u0928\u093f\u092e\u094d\u0928-\u092e\u093f\u0936\u094d\u0930 \u0927\u093e\u0924\u0941 \u0907\u0938\u094d\u092a\u093e\u0924 \u0917\u094d\u0930\u0947\u0921\u094b\u0902 \u0915\u0940 \u090f\u0915 \u0935\u093f\u0938\u094d\u0924\u0943\u0924 \u0924\u0941\u0932\u0928\u093e"},"content":{"rendered":"

\u0909\u091a\u094d\u091a-\u092e\u091c\u092c\u0942\u0924\u0940 \u0928\u093f\u092e\u094d\u0928-\u092e\u093f\u0936\u094d\u0930 \u0927\u093e\u0924\u0941 (HSLA) \u0938\u094d\u091f\u0940\u0932 \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0926\u0941\u0928\u093f\u092f\u093e \u092d\u0930 \u092e\u0947\u0902 \u0938\u0902\u0930\u091a\u0928\u093e\u0924\u094d\u092e\u0915 \u0907\u0902\u091c\u0940\u0928\u093f\u092f\u0930\u093f\u0902\u0917, \u0928\u093f\u0930\u094d\u092e\u093e\u0923, \u092d\u093e\u0930\u0940 \u092e\u0936\u0940\u0928\u0930\u0940 \u0914\u0930 \u092c\u0941\u0928\u093f\u092f\u093e\u0926\u0940 \u0922\u093e\u0902\u091a\u093e \u092a\u0930\u093f\u092f\u094b\u091c\u0928\u093e\u0913\u0902 \u092e\u0947\u0902 \u092c\u0921\u093c\u0947 \u092a\u0948\u092e\u093e\u0928\u0947 \u092a\u0930 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948, \u091c\u093f\u0938\u092e\u0947\u0902 ASTM A572 (\u0905\u092e\u0947\u0930\u093f\u0915\u0940 \u092e\u093e\u0928\u0915) \u0914\u0930 EN S355JR (\u092f\u0942\u0930\u094b\u092a\u0940\u092f \u092e\u093e\u0928\u0915) \u0926\u094b \u0938\u092c\u0938\u0947 \u0906\u092e \u0917\u094d\u0930\u0947\u0921 \u0939\u0948\u0902\u0964 \u0939\u093e\u0932\u093e\u0901\u0915\u093f \u0926\u094b\u0928\u094b\u0902 \u0915\u094b \u0905\u0924\u094d\u092f\u0927\u093f\u0915 \u0915\u093e\u0930\u094d\u092c\u0928 \u0938\u093e\u092e\u0917\u094d\u0930\u0940 \u0915\u0947 \u092c\u093f\u0928\u093e \u0909\u0924\u094d\u0915\u0943\u0937\u094d\u091f \u092e\u091c\u092c\u0942\u0924\u0940, \u0915\u0920\u094b\u0930\u0924\u093e \u0914\u0930 \u0935\u0947\u0932\u094d\u0921 \u0915\u0930\u0928\u0947 \u0915\u0940 \u0915\u094d\u0937\u092e\u0924\u093e \u092a\u094d\u0930\u0926\u093e\u0928 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0921\u093f\u091c\u093c\u093e\u0907\u0928 \u0915\u093f\u092f\u093e \u0917\u092f\u093e \u0939\u0948, \u0935\u0947 \u0930\u093e\u0938\u093e\u092f\u0928\u093f\u0915 \u0938\u0902\u0930\u091a\u0928\u093e, \u092f\u093e\u0902\u0924\u094d\u0930\u093f\u0915 \u0917\u0941\u0923\u094b\u0902, \u0905\u0928\u0941\u092a\u094d\u0930\u092f\u094b\u0917 \u0915\u0947 \u0926\u093e\u092f\u0930\u0947 \u0914\u0930 \u0915\u094d\u0937\u0947\u0924\u094d\u0930\u0940\u092f \u092e\u093e\u0928\u0915 \u0905\u0928\u0941\u092a\u093e\u0932\u0928 \u092e\u0947\u0902 \u0915\u093e\u092b\u0940 \u092d\u093f\u0928\u094d\u0928 \u0939\u0948\u0902\u2014\u092f\u0947 \u0935\u0947 \u092a\u094d\u0930\u092e\u0941\u0916 \u0935\u093f\u0935\u0930\u0923 \u0939\u0948\u0902 \u091c\u093f\u0928\u094d\u0939\u0947\u0902 \u0935\u0948\u0936\u094d\u0935\u093f\u0915 \u0916\u0930\u0940\u0926\u093e\u0930\u094b\u0902 \u0915\u094b \u0938\u0940\u092e\u093e-\u092a\u093e\u0930 \u092a\u0930\u093f\u092f\u094b\u091c\u0928\u093e\u0913\u0902 \u0915\u0947 \u0932\u093f\u090f \u0938\u093e\u092e\u0917\u094d\u0930\u0940 \u091a\u0941\u0928\u0924\u0947 \u0938\u092e\u092f \u0938\u092e\u091d\u0928\u093e \u091a\u093e\u0939\u093f\u090f\u0964<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

1. \u092e\u0941\u0916\u094d\u092f \u092e\u093e\u0928\u0915 \u0914\u0930 \u0917\u094d\u0930\u0947\u0921 \u0905\u0935\u0932\u094b\u0915\u0928<\/strong><\/strong><\/p>\n\n\n\n

\u2022 \u090f\u090f\u0938\u091f\u0940\u090f\u092e \u090f572: \u092f\u0939 \u0905\u092e\u0947\u0930\u093f\u0915\u0928 \u0938\u094b\u0938\u093e\u0907\u091f\u0940 \u092b\u0949\u0930 \u091f\u0947\u0938\u094d\u091f\u093f\u0902\u0917 \u090f\u0902\u0921 \u092e\u091f\u0947\u0930\u093f\u092f\u0932\u094d\u0938 (\u090f\u090f\u0938\u091f\u0940\u090f\u092e) \u0915\u093e \u090f\u091a\u090f\u0938\u090f\u0932\u090f \u0938\u094d\u091f\u094d\u0930\u0915\u094d\u091a\u0930\u0932 \u0938\u094d\u091f\u0940\u0932 \u0915\u0947 \u0932\u093f\u090f \u090f\u0915 \u092e\u093e\u0928\u0915 \u0939\u0948, \u091c\u094b \u0928\u094d\u092f\u0942\u0928\u0924\u092e \u092f\u0940\u0932\u094d\u0921 \u0938\u094d\u091f\u094d\u0930\u0947\u0902\u0925 (ksi \u092e\u0947\u0902) \u0915\u0947 \u0906\u0927\u093e\u0930 \u092a\u0930 \u0915\u0908 \u0917\u094d\u0930\u0947\u0921 (\u0917\u094d\u0930\u0947\u0921 42, 50, 55, 60, 65) \u092e\u0947\u0902 \u0909\u092a\u0932\u092c\u094d\u0927 \u0939\u0948\u0964 \u0907\u0938\u0947 \u0909\u0924\u094d\u0924\u0930\u0940 \u0905\u092e\u0947\u0930\u093f\u0915\u093e \u0914\u0930 \u0905\u092e\u0947\u0930\u093f\u0915\u0940 \u0907\u0902\u091c\u0940\u0928\u093f\u092f\u0930\u093f\u0902\u0917 \u0935\u093f\u0928\u093f\u0930\u094d\u0926\u0947\u0936\u094b\u0902 \u0915\u093e \u092a\u093e\u0932\u0928 \u0915\u0930\u0928\u0947 \u0935\u093e\u0932\u0947 \u0905\u0928\u094d\u092f \u092c\u093e\u091c\u093e\u0930\u094b\u0902 \u092e\u0947\u0902 \u0935\u094d\u092f\u093e\u092a\u0915 \u0930\u0942\u092a \u0938\u0947 \u0905\u092a\u0928\u093e\u092f\u093e \u0917\u092f\u093e \u0939\u0948, \u091c\u093f\u0938\u092e\u0947\u0902 \u0938\u093e\u092e\u093e\u0928\u094d\u092f \u0938\u0902\u0930\u091a\u0928\u093e\u0924\u094d\u092e\u0915 \u0909\u092a\u092f\u094b\u0917 \u0915\u0947 \u0932\u093f\u090f \u0917\u094d\u0930\u0947\u0921 50 \u0938\u092c\u0938\u0947 \u0932\u094b\u0915\u092a\u094d\u0930\u093f\u092f \u092a\u094d\u0930\u0915\u093e\u0930 \u0939\u0948\u0964<\/p>\n\n\n\n

\u2022 EN S355JR: \u092f\u0939 EN 10025-2 \u092e\u093e\u0928\u0915 \u0915\u0947 \u0905\u0902\u0924\u0930\u094d\u0917\u0924 \u090f\u0915 \u092f\u0942\u0930\u094b\u092a\u0940\u092f \u092e\u093e\u0928\u0915 (EN) \u0917\u094d\u0930\u0947\u0921 \u0939\u0948, \u091c\u094b 355 MPa \u0915\u0940 \u0928\u094d\u092f\u0942\u0928\u0924\u092e \u0909\u092a\u091c \u092e\u091c\u092c\u0942\u0924\u0940 \u0935\u093e\u0932\u093e \u090f\u0915 \u0915\u092e-\u092e\u093f\u0936\u094d\u0930 \u0927\u093e\u0924\u0941 \u0938\u0902\u0930\u091a\u0928\u093e\u0924\u094d\u092e\u0915 \u0938\u094d\u091f\u0940\u0932 \u0939\u0948\u0964 \"JR\" \u092a\u094d\u0930\u0924\u094d\u092f\u092f \u092f\u0939 \u0926\u0930\u094d\u0936\u093e\u0924\u093e \u0939\u0948 \u0915\u093f \u092f\u0939 \u0915\u092e\u0930\u0947 \u0915\u0947 \u0924\u093e\u092a\u092e\u093e\u0928 \u092a\u0930 \u091a\u093e\u0930\u094d\u092a\u0940 \u0935\u0940-\u0928\u0949\u091a \u092a\u094d\u0930\u092d\u093e\u0935 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e\u0913\u0902 (20\u00b0C \u092a\u0930 27 J) \u0915\u094b \u092a\u0942\u0930\u093e \u0915\u0930\u0924\u093e \u0939\u0948\u0964 \u092f\u0939 \u092f\u0942\u0930\u094b\u092a\u0940\u092f \u0938\u0902\u0918 \u0914\u0930 \u0909\u0928 \u092c\u093e\u091c\u093e\u0930\u094b\u0902 \u092e\u0947\u0902 \u092a\u0930\u093f\u092f\u094b\u091c\u0928\u093e\u0913\u0902 \u0915\u0947 \u0932\u093f\u090f \u092a\u094d\u0930\u093e\u0925\u092e\u093f\u0915 \u0938\u0902\u0930\u091a\u0928\u093e\u0924\u094d\u092e\u0915 \u0938\u094d\u091f\u0940\u0932 \u0917\u094d\u0930\u0947\u0921 \u0939\u0948 \u091c\u094b \u092f\u0942\u0930\u094b\u092a\u0940\u092f \u0928\u093f\u0930\u094d\u092e\u093e\u0923 \u0938\u0902\u0939\u093f\u0924\u093e\u0913\u0902 \u0915\u093e \u092a\u093e\u0932\u0928 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902\u0964<\/p>\n\n\n\n

2. \u0930\u093e\u0938\u093e\u092f\u0928\u093f\u0915 \u0938\u0902\u0930\u091a\u0928\u093e \u092e\u0947\u0902 \u0905\u0902\u0924\u0930<\/strong><\/strong><\/p>\n\n\n\n

\u091c\u092c\u0915\u093f \u0926\u094b\u0928\u094b\u0902 \u0917\u094d\u0930\u0947\u0921 \u0932\u094b-\u0915\u093e\u0930\u094d\u092c\u0928 \u0938\u094d\u091f\u0940\u0932 \u0939\u0948\u0902 (\u0905\u0927\u093f\u0915\u093e\u0902\u0936 \u0935\u0947\u0930\u093f\u090f\u0902\u091f\u094d\u0938 \u0915\u0947 \u0932\u093f\u090f \u0915\u093e\u0930\u094d\u092c\u0928 \u0938\u093e\u092e\u0917\u094d\u0930\u0940 \u2264 0.25%) \u091c\u093f\u0928\u092e\u0947\u0902 \u0924\u093e\u0915\u0924 \u092c\u0922\u093c\u093e\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u092e\u0948\u0902\u0917\u0928\u0940\u091c, \u0938\u093f\u0932\u093f\u0915\u0949\u0928 \u0914\u0930 \u0928\u093f\u0913\u092c\u093f\u092f\u092e\/\u0935\u0948\u0928\u0947\u0921\u093f\u092f\u092e \u0915\u0940 \u0905\u0932\u094d\u092a \u092e\u093e\u0924\u094d\u0930\u093e \u091c\u0948\u0938\u0947 \u092e\u093f\u0936\u094d\u0930\u0927\u093e\u0924\u0941 \u0924\u0924\u094d\u0935 \u0939\u094b\u0924\u0947 \u0939\u0948\u0902, \u0909\u0928\u0915\u0940 \u0938\u0902\u0930\u091a\u0928\u093e\u0924\u094d\u092e\u0915 \u0938\u0940\u092e\u093e\u0913\u0902 \u092e\u0947\u0902 \u092e\u0939\u0924\u094d\u0935\u092a\u0942\u0930\u094d\u0923 \u0905\u0902\u0924\u0930 \u0939\u0948\u0902:<\/p>\n\n\n\n

\u0924\u0924\u094d\u0924\u094d\u0935<\/strong><\/strong><\/td>ASTM A572 \u0917\u094d\u0930\u0947\u0921 50 (\u0906\u092e \u0938\u0940\u092e\u093e)<\/strong><\/strong><\/td>EN S355JR (\u0906\u092e \u0936\u094d\u0930\u0947\u0923\u0940)<\/strong><\/strong><\/td><\/tr>
\u0915\u093e\u0930\u094d\u092c\u0928 (\u0938\u0940)<\/td>\u2264 0.23%<\/td>\u2264 0.24%<\/td><\/tr>
\u092e\u0948\u0902\u0917\u0928\u0940\u091c (Mn)<\/td>\u2264 1.35%<\/td>\u2264 1.60%<\/td><\/tr>
\u0938\u093f\u0932\u093f\u0915\u0949\u0928 (Si)<\/td>\u2264 0.40%<\/td>\u2264 0.55%<\/td><\/tr>
\u092b\u0949\u0938\u094d\u092b\u094b\u0930\u0938 (P)<\/td>\u2264 0.0401\u091f\u0940\u092a\u09403\u091f\u0940<\/td>\u2264 0.0401\u091f\u0940\u092a\u09403\u091f\u0940<\/td><\/tr>
\u0917\u0902\u0927\u0915 (S)<\/td>\u2264 0.0501\u091f\u0940\u092a\u09403\u091f\u0940<\/td>\u2264 0.0401\u091f\u0940\u092a\u09403\u091f\u0940<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u0935\u093f\u0936\u0947\u0937 \u0930\u0942\u092a \u0938\u0947, S355JR \u0909\u091a\u094d\u091a \u092e\u0948\u0902\u0917\u0928\u0940\u091c \u0938\u093e\u092e\u0917\u094d\u0930\u0940 \u0915\u0940 \u0905\u0928\u0941\u092e\u0924\u093f \u0926\u0947\u0924\u093e \u0939\u0948, \u091c\u094b \u0915\u0920\u094b\u0930\u0924\u093e \u0914\u0930 \u092e\u091c\u092c\u0942\u0924\u0940 \u092e\u0947\u0902 \u0938\u0941\u0927\u093e\u0930 \u0915\u0930\u0924\u0940 \u0939\u0948, \u091c\u092c\u0915\u093f A572 \u0917\u094d\u0930\u0947\u0921 50 \u092e\u0947\u0902 \u0915\u0941\u091b \u0935\u093f\u0928\u093f\u0930\u094d\u0926\u0947\u0936\u094b\u0902 \u092e\u0947\u0902 \u0938\u0932\u094d\u092b\u0930 \u0915\u0940 \u0938\u0940\u092e\u093e\u090f\u0901 \u0925\u094b\u0921\u093c\u0940 \u0938\u0916\u094d\u0924 \u0939\u094b\u0924\u0940 \u0939\u0948\u0902, \u091c\u093f\u0938\u0938\u0947 \u092f\u0939 \u092c\u0947\u0939\u0924\u0930 \u0930\u0942\u092a-\u0917\u094d\u0930\u0939\u0923 \u0915\u094d\u0937\u092e\u0924\u093e \u0915\u0940 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e \u0935\u093e\u0932\u0947 \u0905\u0928\u0941\u092a\u094d\u0930\u092f\u094b\u0917\u094b\u0902 \u0915\u0947 \u0932\u093f\u090f \u0909\u092a\u092f\u0941\u0915\u094d\u0924 \u092c\u0928\u0924\u093e \u0939\u0948\u0964<\/p>\n\n\n\n

3. \u092f\u093e\u0902\u0924\u094d\u0930\u093f\u0915 \u0917\u0941\u0923\u094b\u0902 \u0915\u0940 \u0924\u0941\u0932\u0928\u093e<\/strong><\/strong><\/p>\n\n\n\n

\u0938\u092c\u0938\u0947 \u092e\u0939\u0924\u094d\u0935\u092a\u0942\u0930\u094d\u0923 \u0905\u0902\u0924\u0930 \u092f\u093e\u0902\u0924\u094d\u0930\u093f\u0915 \u0917\u0941\u0923\u094b\u0902 \u092e\u0947\u0902 \u0928\u093f\u0939\u093f\u0924 \u0939\u0948, \u0935\u093f\u0936\u0947\u0937 \u0930\u0942\u092a \u0938\u0947 \u0909\u092a\u091c \u0926\u0943\u0922\u093c\u0924\u093e \u0914\u0930 \u0924\u0928\u094d\u092f\u0924\u093e \u0926\u0943\u0922\u093c\u0924\u093e \u092e\u0947\u0902:<\/p>\n\n\n\n

\u0938\u0902\u092a\u0924\u094d\u0924\u093f<\/strong><\/strong><\/td>\u090f\u090f\u0938\u091f\u0940\u090f\u092e \u090f572 \u0917\u094d\u0930\u0947\u0921 50<\/strong><\/strong><\/td>EN S355JR<\/strong><\/strong><\/td><\/tr>
\u0928\u094d\u092f\u0942\u0928\u0924\u092e \u0909\u092a\u091c \u0936\u0915\u094d\u0924\u093f<\/td>50 \u0915\u0947\u090f\u0938\u0906\u0908 (\u2248 345 \u090f\u092e\u092a\u0940\u090f)<\/td>355 \u090f\u092e\u092a\u0940\u090f (\u2248 51.5 \u0915\u0947\u090f\u0938\u0906\u0908)<\/td><\/tr>
\u0924\u0928\u0928 \u0938\u093e\u092e\u0930\u094d\u0925\u094d\u092f \u0915\u0940 \u0938\u0940\u092e\u093e<\/td>60\u2013100 \u0915\u093f.\u090f\u0938.\u0906\u0908. (\u2248 415\u2013690 \u092e\u0947\u0917\u093e\u092a\u093e\u0938\u094d\u0915\u0932)<\/td>\u096a\u096d\u0966\u2013\u096c\u0969\u0966 \u090f\u092e\u092a\u0940\u090f (\u2248 \u096c\u096e\u2013\u096f\u0967 \u0915\u0947\u090f\u0938\u0906\u0908)<\/td><\/tr>
\u0932\u092e\u094d\u092c\u093e\u0908 (2\u2033 \u0917\u0947\u091c)<\/td>\u2265 18%<\/td>\u2265 20% (\u092e\u094b\u091f\u093e\u0908 \u2264 40 \u092e\u093f\u092e\u0940 \u0915\u0947 \u0932\u093f\u090f)<\/td><\/tr>
\u092a\u094d\u0930\u092d\u093e\u0935 \u0915\u0920\u094b\u0930\u0924\u093e (\u091a\u093e\u0930\u094d\u092a\u0940 \u0935\u0940-\u0928\u0949\u091a)<\/td>\u0935\u0948\u0915\u0932\u094d\u092a\u093f\u0915 (\u092a\u0930\u093f\u092f\u094b\u091c\u0928\u093e \u0915\u0940 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e\u0913\u0902 \u092a\u0930 \u0928\u093f\u0930\u094d\u092d\u0930; \u092c\u0947\u0938 \u0917\u094d\u0930\u0947\u0921 \u0915\u0947 \u0932\u093f\u090f \u0915\u092e\u0930\u0947 \u0915\u0947 \u0924\u093e\u092a\u092e\u093e\u0928 \u0915\u093e \u092a\u094d\u0930\u092d\u093e\u0935 \u0905\u0928\u093f\u0935\u093e\u0930\u094d\u092f \u0928\u0939\u0940\u0902)<\/td>27 J, 20\u00b0C \u092a\u0930 (\u0905\u0928\u093f\u0935\u093e\u0930\u094d\u092f)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u091c\u092c\u0915\u093f \u0926\u094b\u0928\u094b\u0902 \u0917\u094d\u0930\u0947\u0921\u094b\u0902 \u0915\u0940 \u0909\u092a\u091c \u092e\u091c\u092c\u0942\u0924\u0940 \u0938\u092e\u093e\u0928 \u0939\u0948 (345 MPa \u092c\u0928\u093e\u092e 355 MPa), S355JR \u092e\u0947\u0902 \u0925\u094b\u0921\u093c\u0940 \u0905\u0927\u093f\u0915 \u0932\u092e\u094d\u092c\u093e\u0908 \u0935\u0943\u0926\u094d\u0927\u093f \u0939\u094b\u0924\u0940 \u0939\u0948, \u091c\u094b \u092c\u0947\u0939\u0924\u0930 \u0932\u094b\u091a\u0936\u0940\u0932\u0924\u093e \u0915\u094b \u0926\u0930\u094d\u0936\u093e\u0924\u0940 \u0939\u0948\u0964 \u0907\u0938\u0915\u0947 \u0905\u0924\u093f\u0930\u093f\u0915\u094d\u0924, S355JR \u0915\u0947 \u0932\u093f\u090f \u0905\u0928\u093f\u0935\u093e\u0930\u094d\u092f \u0915\u0915\u094d\u0937-\u0924\u093e\u092a\u092e\u093e\u0928 \u092a\u094d\u0930\u092d\u093e\u0935 \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0907\u0938\u0915\u0940 \u0938\u0941\u0938\u0902\u0917\u0924 \u0915\u0920\u094b\u0930\u0924\u093e \u0938\u0941\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0915\u0930\u0924\u093e \u0939\u0948, \u091c\u093f\u0938\u0938\u0947 \u092f\u0939 \u092c\u093e\u0939\u0930\u0940 \u092f\u093e \u0928\u093f\u092e\u094d\u0928-\u0924\u093e\u092a\u092e\u093e\u0928 \u0928\u093f\u0930\u094d\u092e\u093e\u0923 \u092a\u0930\u093f\u092f\u094b\u091c\u0928\u093e\u0913\u0902 \u0915\u0947 \u0932\u093f\u090f \u0905\u0927\u093f\u0915 \u0935\u093f\u0936\u094d\u0935\u0938\u0928\u0940\u092f \u092c\u0928\u0924\u093e \u0939\u0948, \u091c\u092c\u0915\u093f A572 \u0917\u094d\u0930\u0947\u0921 50 \u0915\u094b \u0920\u0902\u0921\u0947 \u091c\u0932\u0935\u093e\u092f\u0941 \u0905\u0928\u0941\u092a\u094d\u0930\u092f\u094b\u0917\u094b\u0902 \u0915\u0947 \u0932\u093f\u090f \u0905\u0924\u093f\u0930\u093f\u0915\u094d\u0924 \u092a\u094d\u0930\u092d\u093e\u0935 \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0915\u0940 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e \u0939\u094b \u0938\u0915\u0924\u0940 \u0939\u0948\u0964<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

4. \u0935\u0947\u0932\u094d\u0921 \u0915\u0930\u0928\u0947 \u0915\u0940 \u0915\u094d\u0937\u092e\u0924\u093e \u0914\u0930 \u0906\u0915\u093e\u0930 \u0926\u0947\u0928\u0947 \u0915\u0940 \u0915\u094d\u0937\u092e\u0924\u093e<\/strong><\/strong><\/p>\n\n\n\n

\u0926\u094b\u0928\u094b\u0902 ASTM A572 \u0914\u0930 EN S355JR \u0909\u0924\u094d\u0915\u0943\u0937\u094d\u091f \u0935\u0947\u0932\u094d\u0921\u0928\u0940\u092f\u0924\u093e \u0915\u0947 \u0932\u093f\u090f \u0921\u093f\u091c\u093c\u093e\u0907\u0928 \u0915\u093f\u090f \u0917\u090f \u0939\u0948\u0902, \u0915\u094d\u092f\u094b\u0902\u0915\u093f \u0907\u0928\u0915\u0947 \u0915\u092e \u0915\u093e\u0930\u094d\u092c\u0928 \u0938\u092e\u0924\u0941\u0932\u094d\u092f (CEV) \u092e\u093e\u0928 \u0935\u0947\u0932\u094d\u0921\u093f\u0902\u0917 \u0915\u0947 \u0926\u094c\u0930\u093e\u0928 \u0920\u0902\u0921\u0940 \u0926\u0930\u093e\u0930 \u0915\u093e \u091c\u094b\u0916\u093f\u092e \u0915\u092e \u0915\u0930\u0924\u0947 \u0939\u0948\u0902\u0964 \u0939\u093e\u0932\u093e\u0902\u0915\u093f, S355JR \u092e\u0947\u0902 \u0925\u094b\u0921\u093c\u0940 \u0905\u0927\u093f\u0915 \u092e\u0948\u0902\u0917\u0928\u0940\u091c \u0914\u0930 \u0938\u093f\u0932\u093f\u0915\u0949\u0928 \u0938\u093e\u092e\u0917\u094d\u0930\u0940 \u0915\u0947 \u0915\u093e\u0930\u0923, A572 \u0917\u094d\u0930\u0947\u0921 50 \u0915\u0940 \u0924\u0941\u0932\u0928\u093e \u092e\u0947\u0902 \u0935\u0947\u0932\u094d\u0921\u093f\u0902\u0917 \u092a\u0948\u0930\u093e\u092e\u0940\u091f\u0930 (\u091c\u0948\u0938\u0947 \u092e\u094b\u091f\u0947 \u0938\u0947\u0915\u094d\u0936\u0928 \u0915\u0947 \u0932\u093f\u090f \u092a\u094d\u0930\u0940\u0939\u0940\u091f\u093f\u0902\u0917) \u092e\u0947\u0902 \u092e\u093e\u092e\u0942\u0932\u0940 \u0938\u092e\u093e\u092f\u094b\u091c\u0928 \u0915\u0940 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e \u0939\u094b \u0938\u0915\u0924\u0940 \u0939\u0948\u0964<\/p>\n\n\n\n

\u0906\u0915\u093e\u0930-\u0917\u094d\u0930\u0939\u0923 \u0915\u094d\u0937\u092e\u0924\u093e \u0915\u0947 \u0932\u093f\u090f, A572 \u0917\u094d\u0930\u0947\u0921 50 \u0915\u094b \u092e\u094b\u0921\u093c\u0928\u0947, \u0938\u094d\u091f\u0948\u092e\u094d\u092a\u093f\u0902\u0917 \u092f\u093e \u0920\u0902\u0921\u0947 \u092b\u0949\u0930\u094d\u092e\u093f\u0902\u0917 \u0935\u093e\u0932\u0947 \u0905\u0928\u0941\u092a\u094d\u0930\u092f\u094b\u0917\u094b\u0902 \u092e\u0947\u0902 \u0907\u0938\u0915\u0947 \u0938\u0902\u0924\u0941\u0932\u093f\u0924 \u0930\u093e\u0938\u093e\u092f\u0928\u093f\u0915 \u0938\u0902\u0918\u091f\u0928 \u0914\u0930 \u0938\u0941\u0938\u0902\u0917\u0924 \u092f\u093e\u0902\u0924\u094d\u0930\u093f\u0915 \u0917\u0941\u0923\u094b\u0902 \u0915\u0947 \u0915\u093e\u0930\u0923 \u0935\u094d\u092f\u093e\u092a\u0915 \u0930\u0942\u092a \u0938\u0947 \u092a\u094d\u0930\u093e\u0925\u092e\u093f\u0915\u0924\u093e \u0926\u0940 \u091c\u093e\u0924\u0940 \u0939\u0948\u0964 S355JR, \u092f\u0926\u094d\u092f\u092a\u093f \u0906\u0915\u093e\u0930-\u0917\u094d\u0930\u0939\u0923 \u092f\u094b\u0917\u094d\u092f \u0939\u0948, \u0905\u092a\u0928\u0940 \u0909\u091a\u094d\u091a \u0924\u093e\u0915\u0924 \u0915\u0947 \u0915\u093e\u0930\u0923 \u0920\u0902\u0921\u0947 \u092b\u0949\u0930\u094d\u092e\u093f\u0902\u0917 \u092a\u094d\u0930\u0915\u094d\u0930\u093f\u092f\u093e\u0913\u0902 \u092e\u0947\u0902 \u0905\u0927\u093f\u0915 \u0938\u094d\u092a\u094d\u0930\u093f\u0902\u0917\u092c\u0948\u0915 \u092a\u094d\u0930\u0926\u0930\u094d\u0936\u093f\u0924 \u0915\u0930 \u0938\u0915\u0924\u093e \u0939\u0948\u0964<\/p>\n\n\n\n

5. \u0905\u0928\u0941\u092a\u094d\u0930\u092f\u094b\u0917 \u092a\u0930\u093f\u0926\u0943\u0936\u094d\u092f<\/strong><\/strong><\/p>\n\n\n\n

\u2022 \u090f\u090f\u0938\u091f\u0940\u090f\u092e \u090f572 \u0917\u094d\u0930\u0947\u0921 50: \u0907\u0938\u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0906\u092e\u0924\u094c\u0930 \u092a\u0930 \u0909\u0924\u094d\u0924\u0930\u0940 \u0905\u092e\u0947\u0930\u093f\u0915\u0940 \u092c\u0941\u0928\u093f\u092f\u093e\u0926\u0940 \u0922\u093e\u0902\u091a\u093e \u092a\u0930\u093f\u092f\u094b\u091c\u0928\u093e\u0913\u0902 \u092e\u0947\u0902 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948, \u091c\u093f\u0938\u092e\u0947\u0902 \u092a\u0941\u0932, \u0907\u092e\u093e\u0930\u0924\u0947\u0902, \u092d\u093e\u0930\u0940 \u092e\u0936\u0940\u0928\u0930\u0940 \u0915\u0947 \u092b\u094d\u0930\u0947\u092e \u0914\u0930 \u092a\u0930\u093f\u0935\u0939\u0928 \u0909\u092a\u0915\u0930\u0923 (\u091c\u0948\u0938\u0947, \u091f\u094d\u0930\u0915 \u091f\u094d\u0930\u0947\u0932\u0930) \u0936\u093e\u092e\u093f\u0932 \u0939\u0948\u0902\u0964 \u092f\u0939 \u0909\u0928 \u0924\u0947\u0932 \u0914\u0930 \u0917\u0948\u0938 \u092a\u0930\u093f\u092f\u094b\u091c\u0928\u093e\u0913\u0902 \u092e\u0947\u0902 \u092d\u0940 \u0932\u094b\u0915\u092a\u094d\u0930\u093f\u092f \u0939\u0948 \u091c\u094b \u0905\u092e\u0947\u0930\u093f\u0915\u0940 \u0909\u0926\u094d\u092f\u094b\u0917 \u092e\u093e\u0928\u0915\u094b\u0902 \u0915\u093e \u092a\u093e\u0932\u0928 \u0915\u0930\u0924\u0940 \u0939\u0948\u0902\u0964<\/p>\n\n\n\n

\u2022 EN S355JR: \u092f\u0942\u0930\u094b\u092a\u0940\u092f \u0928\u093f\u0930\u094d\u092e\u093e\u0923 \u092a\u0930\u093f\u092f\u094b\u091c\u0928\u093e\u0913\u0902 \u0915\u0947 \u0932\u093f\u090f \u092a\u094d\u0930\u092e\u0941\u0916 \u0917\u094d\u0930\u0947\u0921, \u091c\u093f\u0938\u092e\u0947\u0902 \u090a\u0902\u091a\u0940 \u0907\u092e\u093e\u0930\u0924\u0947\u0902, \u092a\u0941\u0932, \u0905\u092a\u0924\u091f\u0940\u092f \u0938\u0902\u0930\u091a\u0928\u093e\u090f\u0902 \u0914\u0930 \u0938\u093e\u092e\u093e\u0928\u094d\u092f \u0907\u0902\u091c\u0940\u0928\u093f\u092f\u0930\u093f\u0902\u0917 \u0905\u0928\u0941\u092a\u094d\u0930\u092f\u094b\u0917 \u0936\u093e\u092e\u093f\u0932 \u0939\u0948\u0902\u0964 \u0907\u0938\u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0905\u092b\u094d\u0930\u0940\u0915\u093e, \u092e\u0927\u094d\u092f \u092a\u0942\u0930\u094d\u0935 \u0914\u0930 \u0926\u0915\u094d\u0937\u093f\u0923 \u092a\u0942\u0930\u094d\u0935 \u090f\u0936\u093f\u092f\u093e \u0915\u0947 \u0909\u0928 \u092c\u093e\u091c\u093e\u0930\u094b\u0902 \u092e\u0947\u0902 \u0928\u093f\u0930\u094d\u092f\u093e\u0924 \u092a\u0930\u093f\u092f\u094b\u091c\u0928\u093e\u0913\u0902 \u092e\u0947\u0902 \u092d\u0940 \u0935\u094d\u092f\u093e\u092a\u0915 \u0930\u0942\u092a \u0938\u0947 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948 \u091c\u094b \u092f\u0942\u0930\u094b\u092a\u0940\u092f \u092d\u0935\u0928 \u0938\u0902\u0939\u093f\u0924\u093e\u0913\u0902 \u0915\u094b \u0905\u092a\u0928\u093e\u0924\u0947 \u0939\u0948\u0902\u0964<\/p>\n\n\n\n

6. \u0935\u0948\u0936\u094d\u0935\u093f\u0915 \u0916\u0930\u0940\u0926\u093e\u0930\u094b\u0902 \u0915\u0947 \u0932\u093f\u090f \u092a\u094d\u0930\u092e\u0941\u0916 \u0935\u093f\u091a\u093e\u0930<\/strong><\/strong><\/p>\n\n\n\n

\u0905\u0902\u0924\u0930\u0930\u093e\u0937\u094d\u091f\u094d\u0930\u0940\u092f \u092a\u0930\u093f\u092f\u094b\u091c\u0928\u093e\u0913\u0902 \u0915\u0947 \u0932\u093f\u090f \u0907\u0928 \u0926\u094b \u0917\u094d\u0930\u0947\u0921\u094b\u0902 \u092e\u0947\u0902 \u0938\u0947 \u091a\u092f\u0928 \u0915\u0930\u0924\u0947 \u0938\u092e\u092f, \u0916\u0930\u0940\u0926\u093e\u0930\u094b\u0902 \u0915\u094b \u0928\u093f\u092e\u094d\u0928\u0932\u093f\u0916\u093f\u0924 \u092a\u0930 \u0935\u093f\u091a\u093e\u0930 \u0915\u0930\u0928\u093e \u091a\u093e\u0939\u093f\u090f:<\/p>\n\n\n\n

1. \u0915\u094d\u0937\u0947\u0924\u094d\u0930\u0940\u092f \u092e\u093e\u0928\u0915 \u0905\u0928\u0941\u092a\u093e\u0932\u0928: \u0938\u0941\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0915\u0930\u0947\u0902 \u0915\u093f \u0917\u094d\u0930\u0947\u0921 \u092a\u0930\u093f\u092f\u094b\u091c\u0928\u093e \u0915\u0947 \u0938\u094d\u0925\u093e\u0928 \u0915\u0947 \u0938\u094d\u0925\u093e\u0928\u0940\u092f \u092d\u0935\u0928 \u0938\u0902\u0939\u093f\u0924\u093e\u0913\u0902 \u0914\u0930 \u0907\u0902\u091c\u0940\u0928\u093f\u092f\u0930\u093f\u0902\u0917 \u0935\u093f\u0928\u093f\u0930\u094d\u0926\u0947\u0936\u094b\u0902 \u0915\u094b \u092a\u0942\u0930\u093e \u0915\u0930\u0924\u093e \u0939\u0948\u0964 \u0909\u0926\u093e\u0939\u0930\u0923 \u0915\u0947 \u0932\u093f\u090f, \u092f\u0942\u0930\u094b\u092a\u0940\u092f \u0938\u0902\u0918 \u092e\u0947\u0902 \u092a\u0930\u093f\u092f\u094b\u091c\u0928\u093e\u0913\u0902 \u0915\u0947 \u0932\u093f\u090f S355JR \u0906\u0935\u0936\u094d\u092f\u0915 \u0939\u0948, \u091c\u092c\u0915\u093f \u0938\u0902\u092f\u0941\u0915\u094d\u0924 \u0930\u093e\u091c\u094d\u092f \u0905\u092e\u0947\u0930\u093f\u0915\u093e \u092e\u0947\u0902 \u092a\u0930\u093f\u092f\u094b\u091c\u0928\u093e\u090f\u0902 \u0906\u092e\u0924\u094c\u0930 \u092a\u0930 ASTM A572 \u0928\u093f\u0930\u094d\u0926\u093f\u0937\u094d\u091f \u0915\u0930\u0924\u0940 \u0939\u0948\u0902\u0964<\/p>\n\n\n\n

2. \u092f\u093e\u0902\u0924\u094d\u0930\u093f\u0915 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e\u090f\u0901: \u0915\u092e\u0930\u0947 \u0915\u0947 \u0924\u093e\u092a\u092e\u093e\u0928 \u092a\u0930 \u0917\u093e\u0930\u0902\u091f\u0940\u0915\u0943\u0924 \u092a\u094d\u0930\u092d\u093e\u0935 \u0915\u0920\u094b\u0930\u0924\u093e \u0915\u0940 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e \u0935\u093e\u0932\u0947 \u092a\u0930\u093f\u092f\u094b\u091c\u0928\u093e\u0913\u0902 \u0915\u0947 \u0932\u093f\u090f, S355JR \u090f\u0915 \u0905\u0927\u093f\u0915 \u0938\u0940\u0927\u093e \u0935\u093f\u0915\u0932\u094d\u092a \u0939\u0948\u0964 \u0920\u0902\u0921\u0947 \u0930\u0942\u092a-\u0928\u093f\u0930\u094d\u092e\u093e\u0923 \u0915\u094b \u092a\u094d\u0930\u093e\u0925\u092e\u093f\u0915\u0924\u093e \u0926\u0947\u0928\u0947 \u0935\u093e\u0932\u0947 \u0905\u0928\u0941\u092a\u094d\u0930\u092f\u094b\u0917\u094b\u0902 \u0915\u0947 \u0932\u093f\u090f, A572 \u0917\u094d\u0930\u0947\u0921 50 \u0915\u094b \u092a\u094d\u0930\u093e\u0925\u092e\u093f\u0915\u0924\u093e \u0926\u0940 \u091c\u093e \u0938\u0915\u0924\u0940 \u0939\u0948\u0964<\/p>\n\n\n\n

3. \u0906\u092a\u0942\u0930\u094d\u0924\u093f \u0936\u094d\u0930\u0943\u0902\u0916\u0932\u093e \u0915\u0940 \u0909\u092a\u0932\u092c\u094d\u0927\u0924\u093e: ASTM A572 \u0909\u0924\u094d\u0924\u0930\u0940 \u0905\u092e\u0947\u0930\u093f\u0915\u093e \u092e\u0947\u0902 \u0905\u0927\u093f\u0915 \u0906\u0938\u093e\u0928\u0940 \u0938\u0947 \u0909\u092a\u0932\u092c\u094d\u0927 \u0939\u0948, \u091c\u092c\u0915\u093f S355JR \u092f\u0942\u0930\u094b\u092a\u0940\u092f \u0914\u0930 \u090f\u0936\u093f\u092f\u093e\u0908 \u0938\u094d\u091f\u0940\u0932 \u092e\u093f\u0932\u094b\u0902 \u092e\u0947\u0902 \u0935\u094d\u092f\u093e\u092a\u0915 \u0930\u0942\u092a \u0938\u0947 \u0938\u094d\u091f\u0949\u0915 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948, \u091c\u093f\u0938\u0938\u0947 \u0909\u0928 \u0915\u094d\u0937\u0947\u0924\u094d\u0930\u094b\u0902 \u092e\u0947\u0902 \u092a\u0930\u093f\u092f\u094b\u091c\u0928\u093e\u0913\u0902 \u0915\u0947 \u0932\u093f\u090f \u0907\u0938\u0947 \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0915\u0930\u0928\u093e \u0906\u0938\u093e\u0928 \u0939\u094b \u091c\u093e\u0924\u093e \u0939\u0948\u0964<\/p>\n\n\n\n

4. \u0932\u093e\u0917\u0924 \u0914\u0930 \u092a\u094d\u0930\u092e\u093e\u0923\u0928: \u0926\u094b\u0928\u094b\u0902 \u0917\u094d\u0930\u0947\u0921 \u092a\u094d\u0930\u0924\u093f\u0938\u094d\u092a\u0930\u094d\u0927\u0940 \u0915\u0940\u092e\u0924\u094b\u0902 \u092a\u0930 \u0939\u0948\u0902, \u0932\u0947\u0915\u093f\u0928 \u0916\u0930\u0940\u0926\u093e\u0930\u094b\u0902 \u0915\u094b \u0938\u0940\u092e\u093e \u0936\u0941\u0932\u094d\u0915 \u0928\u093f\u0915\u093e\u0938\u0940 \u0914\u0930 \u092a\u0930\u093f\u092f\u094b\u091c\u0928\u093e \u0905\u0928\u0941\u092e\u094b\u0926\u0928 \u092e\u0947\u0902 \u0926\u0947\u0930\u0940 \u0938\u0947 \u092c\u091a\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0924\u0940\u0938\u0930\u0947 \u092a\u0915\u094d\u0937 \u0915\u0947 \u092a\u094d\u0930\u092e\u093e\u0923\u092a\u0924\u094d\u0930\u094b\u0902 (\u091c\u0948\u0938\u0947, S355JR \u0915\u0947 \u0932\u093f\u090f CE \u092e\u093e\u0930\u094d\u0915\u093f\u0902\u0917, A572 \u0915\u0947 \u0932\u093f\u090f ASTM \u0905\u0928\u0941\u092a\u093e\u0932\u0928 \u092a\u094d\u0930\u092e\u093e\u0923\u092a\u0924\u094d\u0930) \u0915\u094b \u0938\u0924\u094d\u092f\u093e\u092a\u093f\u0924 \u0915\u0930\u0928\u093e \u091a\u093e\u0939\u093f\u090f\u0964<\/p>","protected":false},"excerpt":{"rendered":"

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 […]<\/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\/hi\/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…","_links":{"self":[{"href":"https:\/\/www.shandongruiying.com\/hi\/wp-json\/wp\/v2\/posts\/7726","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.shandongruiying.com\/hi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.shandongruiying.com\/hi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.shandongruiying.com\/hi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.shandongruiying.com\/hi\/wp-json\/wp\/v2\/comments?post=7726"}],"version-history":[{"count":0,"href":"https:\/\/www.shandongruiying.com\/hi\/wp-json\/wp\/v2\/posts\/7726\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.shandongruiying.com\/hi\/wp-json\/wp\/v2\/media\/7729"}],"wp:attachment":[{"href":"https:\/\/www.shandongruiying.com\/hi\/wp-json\/wp\/v2\/media?parent=7726"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.shandongruiying.com\/hi\/wp-json\/wp\/v2\/categories?post=7726"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.shandongruiying.com\/hi\/wp-json\/wp\/v2\/tags?post=7726"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}