1020 - ASTM A1040-2010

Grade	1020
Corresponding Standard	ASTM A1040-2010 Standard Specification for Specifying Harmonized Standard Grade Compositions for Wrought Carbon , Low-Alloy, and Alloy Steels
Classification	Carbon Steel

1020 Chemical Element Composition Content (%)

Component	C	Mn	P	S	Cu	B
Minimum Value	0.18	0.3	-	-	0.2	0.0005
Maximum Value	0.23	0.6	0.04	0.05	-	0.003

1 Approximate Comparison Table

China

Taiwan, China

Japan

South Korea

United States

Germany

France

Russia

Sweden

United Kingdom

ISC

CNS

JIS

ASTM/AISI

UNS

DIN EN/DIN

W-Nr.

NF EN/NF

GOST

BS EN/BS

U20202

S20C

SM20C

1020

G10200

C22E
Ck22

1.1151

C22E
XC18

1435

C22E
070M20

2 Approximate Comparison Table

China		Japan	United States	International Organization for Standardization	Germany		European Standard
GB	ISC	JIS	ASTM	ISO	DIN EN/DIN	W-Nr.	EN	Numerical Grade
ML20Al	U40208	SWRCH20A	1020	CC21A	C20C	1.0411	C20C	1.0411

3 Approximate Comparison Table

China		Japan	United States	International Organization for Standardization	Germany		European Standard
GB	ISC	JIS	ASTM	ISO	DIN EN/DIN	W-Nr.	EN	Numerical Grade
ML20	U40202	SWRCH20K	1020	CC21K	C20C	1.0411	C20C	1.0411

4 Approximate Comparison Table

China	Japan	United States	International Organization for Standardization	Germany		European Standard		Russia	Sweden	United Kingdom
GB	JIS	SAE	ISO	DIN EN/DIN	W-Nr.	EN	Numerical Grade	GOST	SS	BS EN/BS
20	S20C S22C	1020	C25	C22	1.0402	C22	1.0402	20	1450	070M20

5 Approximate Comparison Table

6 Approximate Comparison Table

China	Japan	South Korea	United States	International Organization for Standardization	Germany	United Kingdom
GB	JIS	KS	ASTM	ISO	DIN EN/DIN	BS EN/BS
ML20	SWRCH20K	SWCH20K	1020	CC21A	Cp22	0/4

1020 Corresponding Standards(Same grade name, different standards)

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