A871 Grade 65 - ASTM A871/A871M-2014 - H2ABC

中文版

Grade	A871 Grade 65
Corresponding Standard	ASTM A871/A871M-2014 High-Strength Low-Alloy Structural Steel Plate With Atmospheric Corrosion Resistance
Classification	Alloy Steel

A871 Grade 65 Chemical Element Composition Content (%)

	Component	C ^①	Si	Mn ^①	P	S	Cr	Ni	Cu	V
Type Ⅰ	Minimum Value	-	0.3	0.8	-	-	0.4	-	0.25	0.02
Type Ⅰ	Maximum Value	0.19	0.65	1.35	0.03	0.03	0.7	0.4	0.4	0.1

	Component	C ^①	Si	Mn ^①	P	S	Cr	Ni	Cu	V
Type Ⅱ	Minimum Value	-	0.15	0.75	-	-	0.4	-	0.2	0.01
Type Ⅱ	Maximum Value	0.2	0.5	1.35	0.03	0.03	0.7	0.5	0.4	0.1

	Component	C ^①	Si	Mn ^①	P	S	Cr	Ni	Cu	Mo	Nb ^②
Type Ⅳ	Minimum Value	-	0.25	0.5	-	-	0.4	-	0.3	-	0.005
Type Ⅳ	Maximum Value	0.17	0.5	1.2	0.03	0.03	0.7	0.4	0.5	0.1	0.05

A871 Grade 65 Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
≥550	≥450	(50mm) ≥17

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