1.1151 C22E - EN 10297-1-2003

Grade	1.1151
European Standard Steel Grade	C22E
Corresponding Standard	EN 10297-1-2003 Seamless steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 1: Non-alloy and alloy steel tubes
Classification	Carbon Steel

1.1151 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Mo
Minimum Value	0.17	-	0.4	-	-	-	-	-
Maximum Value	0.24	0.4	0.7	0.035	0.035	0.4	0.4	0.1

1 Approximate Comparison Table Non-Alloy Steel for Quenching and Tempering

China	Japan	International Organization for Standardization	European Standard
GB	JIS	ISO	EN	Numerical Grade
25	S25C	C25E	C22E	1.1151

2 Approximate Comparison Table Non-Alloy Steel for Quenching and Tempering

3 Approximate Comparison Table High-Quality Carbon Structural Steel

China		United States	International Organization for Standardization	European Standard
GB	ISC	ASTM/AISI	ISO	EN	Numerical Grade
20Mn (GB/T 699-2015)	U21202	1022 (ASTM A29/A29M:2005)	C20E4 (ISO 683-18:1996)	C22E (EN 10083-1:1991+A1:1996) (EN 10084:1998)	1.1151

1.1151 Corresponding Standards(Same grade name, different standards)

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