25Cr2Mo1VA - DL /T 439-2018

Grade	25Cr2Mo1VA
Corresponding Standard	DL /T 439-2018 The Technical Guide for High-Temperature Bolt of Fossil-Fired Power Plant
Classification	Alloy Steel

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

condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW	Impact Energy Absorption KV2 J
Bolt Material	≥637	≥490	≥14	≥40	197~241	≥55

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

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