10CrNi3MoV 921A - GJB 1663-1993

Grade	10CrNi3MoV
	921A
Corresponding Standard	GJB 1663-1993 Specification for 10CrNi3MoV、10CrNi3MoCu and 10CrNi2MoCu steel plates for submarine
Classification	Alloy Steel
Density	7.85 g/cm³

10CrNi3MoV Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Mo	V	More
Minimum Value	0.07	0.17	0.3	-	-	0.9	2.6	0.2	0.04	P+S≤0.03
Maximum Value	0.14	0.37	0.6	0.02	0.015	1.2	3	0.27	0.1	P+S≤0.03

10CrNi3MoV Mechanical Properties

thickness t mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Impact Energy Absorption KV2 J
10~35	Quenching + high-temperature tempering	Record	590~745	≥16	≥50	-20°C Impact Absorption Work ≥80 Fiber Cross-Section Rate ≥100

10CrNi3MoV Corresponding Standards(Same grade name, different standards)

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