20Cr1Mo1V1A - DL /T 439-2018

Grade	20Cr1Mo1V1A
Corresponding Standard	DL /T 439-2018 The Technical Guide for High-Temperature Bolt of Fossil-Fired Power Plant
Classification	Alloy Steel

20Cr1Mo1V1A Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	V
Minimum Value	0.18	0.17	0.3	-	-	1	-	-	0.8	0.7
Maximum Value	0.25	0.37	0.6	0.025	0.025	1.3	0.4	0.25	1.1	1.1

20Cr1Mo1V1A 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	≥835	≥735	≥14	≥50	248~293	Ku ≥47

20Cr1Mo1V1A Corresponding Standards(Same grade name, different standards)

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