A322 4142 G41420 - ASTM A322-2013(R2018)

Grade	A322 4142
USA UNS	G41420
Corresponding Standard	ASTM A322-2013(R2018) Steel Bars, Alloy, Standard Grades
Classification	Alloy Steel

A322 4142 Chemical Element Composition Content (%)

Component	C	Si ^①	Mn	P	S	Cr	Ni ^②	Cu ^②	Mo
Minimum Value	0.4	0.15	0.75	-	-	0.8	-	-	0.15
Maximum Value	0.45	0.35	1	0.035	0.04	1.1	0.25	0.35	0.25

1 Approximate Comparison Table Structural Alloy Steel

China

Taiwan, China

Japan

South Korea

United States

International Organization for Standardization

Germany

France

European Standard

Sweden

United Kingdom

ISC

CNS

JIS

ASTM/AISI

UNS

ISO

DIN EN/DIN

W-Nr.

NF EN/NF

Numerical Grade

SS₁₄

BS EN/BS

42CrMo

A30422

SCM440

SCM440
SCM440H

SCM440

4140
4142

G41400
G41420

42CrMo4

1.7225

42CD4

42CrMo4

1.7225

2244

708M40

2 Approximate Comparison Table Structural Alloy Steel

China		Japan	South Korea	United States		International Organization for Standardization	Germany		Russia	United Kingdom
GB	ISC	JIS	KS	ASTM/AISI	UNS	ISO	DIN EN/DIN	W-Nr.	GOST	BS EN/BS
40CrMnMo	A34402	SCM440	SCM440	4142 4140	G41420	42CrMo4	42CrMo4	1.7225	40ХГМ	708A42

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