20CrMnMo A34202 - GB /T 3077-2015

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	0.03	0.03	1.4	0.3	0.3	0.3

20CrMnMo 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	≥1180	≥885	≥10	≥45	≤217	≥55

Approximate Comparison Table structural alloy steel

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

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