G10550 - SAE J403-2014

USA UNS	G10550
SAE Steel Number	1055
Corresponding Standard	SAE J403-2014 Chemical compositions of SAE carbon steels
Brand/Supplier	Japan -> NSSC
Classification	Carbon Steel

Chemical Element Composition Content (%)

	Component	C	Mn	P	S
Flat Rolled Products	Minimum Value	0.5	0.6	-	-
Flat Rolled Products	Maximum Value	0.6	0.9	0.03	0.035

	Component	C	Mn	P	S
Long Products	Minimum Value	0.5	0.6	-	-
Long Products	Maximum Value	0.6	0.9	0.04	0.05

1 Approximate Comparison Table

China

Taiwan, China

Japan

South Korea

United States

International Organization for Standardization

Germany

France

Russia

Sweden

United Kingdom

ISC

CNS

JIS

ASTM/AISI

UNS

ISO

DIN EN/DIN

W-Nr.

NF EN/NF

GOST

BS EN/BS

U20552

S55C

SM55C

1055
(ASTM)

G10550

C55E4

C55E
Ck55

1.1203

C55E
XC55

1665

C55E
070M55

2 Approximate Comparison Table

China	Japan	United States	International Organization for Standardization	Germany	France	European Standard		Russia	Sweden	United Kingdom
GB	JIS	ASTM	ISO	DIN EN/DIN	NF EN/NF	EN	Numerical Grade	GOST	SS	BS EN/BS
C55	S55C	1055	C55 C55E4	C55	AF70C55 C54	C55	1.0535	50 55	1655	070M55 50 En9

3 Approximate Comparison Table

Japan	United States	International Organization for Standardization	Germany	France	European Standard		Russia	United Kingdom
JIS	ASTM	ISO	DIN EN/DIN	NF EN/NF	EN	Numerical Grade	GOST	BS EN/BS
S55C	1055	C55E4	Ck55	XC54 XC55H1	C55E	1.1203	55	070M55

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!