A579 Grade 13 - ASTM A 579-2004(R2014) - H2ABC

中文版

Grade	A579 Grade 13
Corresponding Standard	ASTM A 579-2004(R2014) Standard Specification for Superstrength Alloy Steel Forgings
Classification	Alloy Steel

A579 Grade 13 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Mo	V
Minimum Value	0.27	0.2	0.4	-	-	0.8	0.15	0.05
Maximum Value	0.33	0.35	0.6	0.025	0.025	1.1	0.25	0.1

A579 Grade 13 Mechanical Properties

	Tensile Strength σ_b Mpa	Specified Plastic Yield Strength Rp_0.2 Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW	Impact Energy Absorption KV2 J
Forgings	≥1035	≥965	≥13	≥40		≥25
Forgings	≥1210	≥1100	≥12	≥36		≥15
Forgings	≥1310	≥1240	≥10	≥32		按协议
Forgings	≥1450	≥1380	≥9	≥28		/
Forgings；Section size ≤ 25mm		≥965			Annealing ≤229
Forgings；Section size ≤ 25mm		≥1100			Annealing ≤229
Forgings；Section size ≤ 25mm		≥1240			Annealing ≤229

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