20CrMn A22202 - GB /T 3077-2015

20CrMn Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo
Minimum Value	0.17	0.17	0.9	-	-	0.9	-	-	-
Maximum Value	0.23	0.37	1.2	0.03	0.03	1.2	0.3	0.3	0.1

20CrMn 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	≥930	≥735	≥10	≥45	≤187	≥47

1 Approximate Comparison Table structural alloy steel

China

Japan

South Korea

United States

International Organization for Standardization

Germany

France

European Standard

Russia

ISC

JIS

ASTM/AISI

UNS

ISO

DIN EN/DIN

W-Nr.

NF EN/NF

Numerical Grade

GOST

20CrMn
20CrMnH

A22202

SMnC420

5120

G51200

20MnCr5

1.7147

20MC5

20MnCr5

1.7147

20ХГ

2 Approximate Comparison Table structural alloy steel

China	Japan	United States	International Organization for Standardization	Germany	France	European Standard		Russia
GB	JIS	SAE	ISO	W-Nr.	NF EN/NF	EN	Numerical Grade	GOST
20CrMn 20CrMnTi 20MnCr	SMnC420H	5120	20MnCr5	20MnCr5	20MC5	20MnCr5	1.7147	18KHG

3 Approximate Comparison Table structural alloy steel

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"!