ASTM A709-50W steel plate Manufacturer

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ASTM A709-50W steel plate covers high strength, low allow steel structural shapes, plates and bars. ASTM A709-50W steel plate shall have an atmospheric corrosion index of 6.00 or higher.The atmospheric corrosion resistance of ASTM A709-50W steel plate in most environments is substantially better than carbon steel with or without copper addition.

ASTM A709-50W steel plate Chemical composition(%)

Maximum Diameter	C max, %	Mn max, %	P max,%	S max,%	Si
					≤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

ASTM A709-50W 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
A709-50W	≤100	345	450min	18	21	18	21

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