Low alloy structural steel Q345B

Posted:2018-07-09 16:03:44

Steel grade Q345B is the most common used as high strength low alloy structural steel in industry area. Usually it is produced in hot rolled state, hot rolled steel plate, hot rolled steel coil/sheet, it has comprehensive mechanical and welding property, as it shows good performance in structural purposes, it is widely used as welding structural part in manufacturing of ship, railway and vehicles, bridges, boiler, pressure vessel container, steel oil tank, etc.

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

Thickness (mm)
Q345B	≤ 16	> 16 ≤ 35	> 35 ≤ 50	>50
Yield strength (≥Mpa)	345	325	295	275
Tensile strength (Mpa)	470-630

Shanghai Katalor Enterprises Co., Ltd is a standard company specialized in producing and exporting Q345B. We have our own Q345B factory and if you need the Q345B, we can manufacture for you. If you need the competitive Q345B price, please don't hesitate to contact with our sales person.

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