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GB/T 8162 Q345B steel pipe steel plate

GB/T 8162 Q345B steel pipe

GB/T8162 Q345B Steel pipe is the low carbon alloy steel (c<0.2%), good comprehensive performance, low temperature performance, cold stamping performance, welding performance and good cutting performance.

GB/T8162 Q345B Steel Chemical Composition:

Grade

C %

Si %

Mn %

Cr % max

Ni % max

Cu % max

P % max

S % max

Q345B

< 0.20

< 0.50

< 1.70

0.30

0.20

0.30

0.30

0.30

GB/T8162 Q345B Steel Mechanical Property:

Steel grade

Tensile strength Rm/MPa

Yield Strength Rel/MPa

Break elongation A%

Q345B

470-630

>345

20

GB/T8162 Q345B Steel Application:
Widely used in bridges, buildings, vehicles, ships, pressure vessel etc.

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