20MnMoB A72202 - GB /T 3077-2015

Grade	20MnMoB
China ISC	A72202
Corresponding Standard	GB /T 3077-2015 Alloy Structure Steels
Classification	Alloy Steel
Properties	Low-Temperature Resistance Fatigue Resistance High Hardenability Carburizing Capability

20MnMoB Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	B
Minimum Value	0.16	0.17	0.9	-	-	-	-	-	0.2	0.0008
Maximum Value	0.22	0.37	1.2	0.03	0.03	0.3	0.3	0.3	0.3	0.0035

20MnMoB 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	≥1080	≥885	≥10	≥50	≤207	≥55

20MnMoB 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"!