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Q345B steel specification

Q345B steel specification

Posted:2018-11-30 09:18:51

Q345B steel specification

Q345B steel is a Chinese standardized low-carbon steel (c <0.2%),Chinese grade Q345B steel with a hot-rolling process,have good overall performance, good low temperature performance, the performance of cold stamping, welding performance and good cutting.

  Keywords: Chinese grade Q345B, Q345B steel specification

Main chemical elements composition of Q345B

C

Si

Mn

P

S

V

Nb

Ti

0.20

0.55

1.00-1.60

0.040

0.040

0.02-0.15

0.015-0.060

0.02-0.20

Mechnical property for Q345B low alloy structural steel

Thickness (mm)

Q345B

≤ 16

> 16 ≤ 35

> 35 ≤ 50

>50

Yield strength (≥Mpa)

345

325

295

275

Tensile strength (Mpa)

470-630

Q345B steel is used for a number of manufacturing purposes, It's easy to form and easy to weld, allowing it to be used to put sheet plate on doors, steel cabinets and the exterior surfaces of most objects,widely used in bridges, vehicles, ships, construction, pressure vessels. katalor can offer steel coils,steel plates,angles,channels for Q345B materials.

 

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