What is ASTM 572 GR 50 equivalent to?

ASTM A572 Grade 50 (A572 GR 50) is a high-strength, low-alloy structural steel that finds applications in structural components and constructions. Its equivalent standards in other countries are as follows:

Chinese Standard:

• Q345B, which is similar to ASTM A572 Grade 50.

European Standard:

• S355JR, S355J0, S355J2, S355K2 under EN 10025-2 are comparable to ASTM A572 Grade 50.

Japanese Standard:

• SM490A/B/C, which are close equivalents to A572 GR 50 in JIS standards.

Australian Standard:

• AS3678-350, which can be considered an equivalent to ASTM A572 Grade 50.

These equivalents may vary slightly in terms of specific chemical composition and mechanical properties, but they generally serve similar purposes in structural applications where high strength and good weldability are required. When selecting an equivalent grade for ASTM A572 Grade 50, it is essential to consider the specific requirements of your project and consult with material specialists or refer to detailed material specifications to ensure compatibility and performance.