- H2ABC

AISI American Iron and Steel Institute	1055
SAE Steel Number	1055
Classification	Carbon Steel

Chemical Element Composition Content (%)

Component	C	Mn	P	S
Minimum Value	0.5	0.6	-	-
Maximum Value	0.6	0.9	0.03	0.05

1 Approximate Comparison Table High-Quality Carbon Structural Steel

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

2 Approximate Comparison Table High-Quality Carbon Structural Steel

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"!