China stock hot rolled gb standard alloy steel plate q345b manufacturer from China Henan Bebon Iron & Steel Co.,Ltd

China stock hot rolled gb standard alloy steel plate q345b

Place of Origin:

Henan, China (Mainland)


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China stock hot rolled gb standard alloy steel plate q345b

Steel plate Q345B is usually 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, Steel plate Q345B is widely used as welding structural part in manufacturing of ship, railway and vehicles, bridges, boiler, pressure vessel container, steel oil tank, etc. Yield point of Steel plate Q345B decreases as plate thickness increases.

Steel plate Q345B data sheet:

Steel plate Q345B specification	Thickness	≤400mm
	Width	≤4200mm
	Length	≤18000mm
Steel plate Q345B density	7.85g/m3
Deep processing	Cutting, welding, bending, drilling, etc.
Third party inspection	SGS, BV, Intertek, etc.
Delivery state	HR, AR

Steel plate Q345B chemical composition:

C	Si	Mn	P	S	Nb	V	Ti
0.2	0.5	1.7	0.035	0.035	0.07	0.15	0.2
Cr	Ni	Cu	N	Mo	B	Als min
0.3	0.5	0.3	0.012	0.1	-	-

Steel plate Q345B yield strength:

Nominal thickness (mm)	To 16	16-40	40-63	63-80	80-	100-	150-	200-	250-
Nominal thickness (mm)	To 16	16-40	40-63	63-80	100	150	200	250	400
ReH - Minimum yield strength (MPa)	345	335	325	315	305	285	275	265	-

Steel plate Q345B tensile strength:

Nominal thickness (mm)	To 40	40-63	63-80	80-100	100-150	150-250	250-400
ReH - Minimum yield strength (MPa)	470-630	470-630	470-630	470-630	450-600	450-600	-

Steel plate Q345B elongation (≥):

Thk (mm)	To 40	40-63	63-100	100-150	150-250	250-400
Q345B	20	19	19	18	17	-

Steel plate Q345B impact test temperature and energy:

Q345B	Min Energy Nominal thickness
Temperature ℃	20
Thickness (mm)	12-150	150-250	250-400
Notch impact test. Min. absorbed energy	34	27	-

Steel plate Q345B application:
Steel plate Q345B is low alloy structural steel with good mechanical properties, low temperature performance, plasticity and good weldability, it is mostly used in low pressure vessel, oil tank, vehicles, cranes, mining machinery, power stations, mechanical parts, building structure, general metal parts.

Henan Bebon Iron & Steel Co.,Ltd, BBN steel Group, China

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