Q420 Tube Medium

High-Strength

Q420 (Tube Medium)

High-strength structural steel Q420 Tube Medium.

Chemical Composition (%)

C0.2
MN1.7
MO0.2
NB0.065
SI0.55
TI0.2
V0.2

Mechanical Properties

Yield:420MPa; Tensile:520MPa; Elong:19%; 180HB

Chinese Standard

GB/T 1591

Applications

Structural steel for construction and engineering

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