best price A709 GR50 structural,carbon steel plate in China

China steel supplier in China,best price and high qualtiy A709 GR50 structural,carbon steel plate.A709 GR50 structural,carbon steel plate is the specification used for steel plate used in the manufacture of bridges.BBN steel stocks A709 Grade 36, A709 Grade 50 and A709 Grade 50W. These grades are often specified with charpy tests referencing the specific zone (or climatic region) in which the bridge will be in use.
A709 GR50 structural,carbon steel plate is a kind of high strength and low alloy steel plate and it is widely used in engineering structures, such as construction steel structure, construction machinery, mining mountainous machinery, trucks, bridge, pressure vessel and so on, especially used in construction and engineering machinery parts that asked good welding and toughness.
A709 GR50 structural,carbon steel plate Chemical composition %:

Maximum Diameter	C max, %	Mn max, %	P max,%	S max,%	Si
Maximum Diameter	C max, %	Mn max, %	P max,%	S max,%	≤40	≥40
4 [100]	0.23	1.35	0.04	0.05	0.4	0.15-0.40
Type	Elements	Heat Analysis, %
1	Columbium	0.005–0.05
2	Vanadium	0.01–0.15
3	Columbium	0.005–0.05
	Vanadium	0.01–0.15
	Columbium plus vanadium	0.02–0.15
5	Titanium	0.006–0.04
	Nitrogen	0.003–0.015
	Vanadium	0.06 max

A709 GR50 structural,carbon steel plate Mechanical properties:

Grade	Thick mm	Yield [MPa] Min	Tensile [MPa]	Elongtation Min %				reduction Min %	HB
				Steel Plate		Structural steel
				200mm	50mm	200mm	50mm
A709 Grade 50	≤100	345	450min	18	21	18	21

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