40CrMoV 40CMV - GB /T 41157.1-2022

Grade	40CrMoV
China ISC	40CMV
Corresponding Standard	GB /T 41157.1-2022 Fasteners for nuclear power plants— Part1: Bolts, screws and studs made of alloy steel
Classification	Alloy Steel

40CrMoV Chemical Element Composition Content (%)

Component	C	Si	Mn	P ^①	S ^①	Cr	Mo	V
Minimum Value	0.36	0.2	0.45	-	-	0.8	0.5	0.25
Maximum Value	0.44	0.35	0.7	0.025	0.015	1.15	0.65	0.35

40CrMoV Mechanical Properties

product	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
Bolts, Screws, Studs	Room Temperature	865~1040	≥722	≥14	≥50	HBW: 248~352 HRC: 23~37 HV：253~357	0°C: ≥60 (Level 1); ≥40 (Level 2, 3)
Bolts, Screws, Studs			≥620

Approximate Comparison Table Structural Alloy Steel

40CrMoV Corresponding Standards(Same grade name, different standards)

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!