12CrNi2 A41122 - GB /T 3077-2015

Grade	12CrNi2
China ISC	A41122
Corresponding Standard	GB /T 3077-2015 Alloy structure steels
Classification	Alloy Steel
Properties	Strength Quench Hardness Carburizing Ability
Density	7.88 g/cm³

12CrNi2 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo
Minimum Value	0.1	0.17	0.3	-	-	0.6	1.5	-	-
Maximum Value	0.17	0.37	0.6	0.03	0.03	0.9	1.9	0.3	0.1

12CrNi2 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=15	Quenching + Tempering	≥785	≥590	≥12	≥50	≤207	≥63

Approximate Comparison Table structural alloy steel

12CrNi2 Corresponding Standards(Same grade name, different standards)

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