12CrMoV A31122 - GB /T 3077-2015

12CrMoV Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	V
Minimum Value	0.08	0.17	0.4	-	-	0.3	-	-	0.25	0.15
Maximum Value	0.15	0.37	0.7	0.03	0.03	0.6	0.3	0.3	0.35	0.3

12CrMoV Mechanical Properties

diameter d mm	Heat Treatment or 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
d=30	Quenching + Tempering	≥440	≥225	≥22	≥50	≤241	≥78

Approximate Comparison Table structural alloy steel

12CrMoV Corresponding Standards(Same grade name, different standards)

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