Q420qE

Alloy Steel

Q420qE

Bridge structural steel. (GB/T 714; equiv GB/T 714 Q345qD). Nominal values—confirm mill certificate.

Chemical Composition (%)

C0.2
MN1
P0.025
S0.02
SI0.55

Mechanical Properties

Tensile:470MPa

Chinese Standard

GB/T 714 Q420qE

Equivalent Standards

GB/T 714 Q345qD

Applications

桥梁结构钢。

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