20CrMnMo - JB /T 6396-2006

Grade	20CrMnMo
Corresponding Standard	JB /T 6396-2006 Specification for the heavy alloy structural steel forings
Classification	Alloy Steel

20CrMnMo Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo
Minimum Value	0.17	0.17	0.9	-	-	1.1	-	-	0.2
Maximum Value	0.23	0.37	1.2	0.035	0.035	1.4	0.3	0.2	0.3

20CrMnMo Mechanical Properties

	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
≤30	Carburizing + Quenching + Tempering	≥1080	≥785	≥7	≥40	≥320	-
≤100	Double Quenching and Tempering	≥835	≥490	≥15	≥40	≥250	≥31

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

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