Q620 Forging Heavy

High-Strength

Q620 (Forging Heavy)

High-strength structural steel Q620 Forging Heavy.

Chemical Composition (%)

B0.004
C0.18
MN2
MO0.3
NB0.11
SI0.6
V0.12

Mechanical Properties

Yield:620MPa; Tensile:720MPa; Elong:14%; 250HB

Chinese Standard

GB/T 1591

Applications

Structural steel for construction and engineering

Comments 0