20CrMn - JB /T 6396-2006

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

20CrMn Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu
Minimum Value	0.17	0.17	1.1	-	-	1	-	-
Maximum Value	0.22	0.37	1.4	0.035	0.035	1.3	0.3	0.2

20CrMn 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	980~1270	≥680	≥8	≥35	290~375	≥34
31~63	Carburizing + Quenching + Tempering	790~1080	≥540	≥10	≥35	240~320	≥34

20CrMn 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"!