25Cr2Mo1VA A31263 - GB /T 20410-2006

Grade	25Cr2Mo1VA
China ISC	A31263
Corresponding Standard	GB /T 20410-2006 Steels for Turbine Bolts at High Temperature
Classification	Alloy Steel
Properties	High-Temperature Strength

25Cr2Mo1VA Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	V
Minimum Value	0.22	0.17	0.5	-	-	2.1	-	-	0.9	0.3
Maximum Value	0.29	0.37	0.8	0.025	0.025	2.5	0.3	0.25	1.1	0.5

25Cr2Mo1VA Mechanical Properties

diameter d mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW	Impact Energy Absorption KV2 J
d=25	Quenching + Tempering	≥735	≥590	≥16	HBW10/3000 248~293	≥47
	High Temperature Tempering				≤241

Approximate Comparison Table Structural Alloy Steel

25Cr2Mo1VA Corresponding Standards(Same grade name, different standards)

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