25Cr2MoVA - DL /T 439-2018

Grade	25Cr2MoVA
Corresponding Standard	DL /T 439-2018 The technical guide for high-temperature bolt of fossil-fired power plant
Classification	Alloy Steel

25Cr2MoVA Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	V
Minimum Value	0.22	0.17	0.4	-	-	1.5	-	-	0.25	0.15
Maximum Value	0.29	0.37	0.7	0.025	0.025	1.8	0.3	0.25	0.35	0.35

25Cr2MoVA Mechanical Properties

condition	Test Temperature	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	Room Temperature	≥785	≥686	≥15	≥50	248~293	Ku ≥47

25Cr2MoVA Corresponding Standards(Same grade name, different standards)

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