A572 Gr50 structural steel plate properties and use

A572 Gr50 high-strength low alloy niobium vanadium structural steel plate executive standard ASTM A572/A572M.

Delivery status of A572 Gr50 structural steel plate: hot rolling or normalizing+tempering. The specific delivery status shall be indicated in the MTC.

Chemical composition of A572 Gr50 steel plate:
C:≤0.20, Si:≤0.40, Mn:≤1.50, P:≤0.04, S:≤0.05, Nb:≤0.005-0.05

Mechanical properties of A572 Gr50 high-strength steel plate:
Tensile strength: 490-600
Yield strength: 345-470
Elongation: 22-35

A572 is divided into five levels: 42 (290), 50 (345) and 55 (380), which are applicable to riveting, bolting or welding structures, and 60 (415) and 65 (450) for bridge riveting, bolting or welding structures for other purposes.

Use of A572 Gr50 low alloy steel plate:
A572 Gr50 low alloy high-strength structural steel plate is widely used in building steel structures, construction machinery and other steel structures.