20MnTiB A74202 - GB /T 3077-2015

Grade	20MnTiB
China ISC	A74202
Corresponding Standard	GB /T 3077-2015 Alloy structure steels
Classification	Alloy Steel
Properties	Strength Impact Toughness Fatigue Resistance Machinability Quench Hardness Carburizing Ability

20MnTiB Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	Ti	B
Minimum Value	0.17	0.17	1.3	-	-	-	-	-	-	0.04	0.0005
Maximum Value	0.24	0.37	1.6	0.03	0.03	0.3	0.3	0.3	0.1	0.1	0.0035

20MnTiB 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	≥1130	≥930	≥10	≥45	≤187	≥55

20MnTiB 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"!