What is SM490 material?
SM490 is rolled steel for welded structure. S represents steel and M represents welding. 400 is also the lower limit tensile strength of 400MPa and impact at 0℃. SM490 is divided into three levels: SM490A, SM490B and SM490C.
What is SM490 material equivalent to?
ASTM A572 Grade 50
SM490A steel is roughly equivalent to ASTM A572 Grade 50 in terms of its properties and applications. Here are some detailed points regarding the equivalence between SM490A steel and ASTM A572 Grade 50: 1.
| EU EN |
USA |
Germany DIN,WNr |
Japan JIS |
European old EN |
Italy UNI |
Belgium NBN |
Spain UNE |
China GB |
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| S355J2(+N) (1.0570(dubl)) | ASTM A572 |
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Q355B |
What is the grade of SM 490?
SM490 denotes hot-rolled steel materials for welded structures with the specified tensile strength ( u F ) of 490 MPa and yielding strength ( y F ) ranged from 295 to 325 MPa,