1018 - ASTM A659/A659M-2025

Grade	1018
Corresponding Standard	ASTM A659/A659M-2025 Commercial Steel (CS), Sheet and Strip, Carbon (0.16 Maximum to 0.25 Maximum Percent), Hot-Rolled
Classification	Carbon Steel

1018 Chemical Element Composition Content (%)

Component	C	Mn	P	S
Minimum Value	0.15	0.6	-	-
Maximum Value	0.2	0.9	0.03	0.035

① Copper. when specified, shall have a minimum content of 0.20 % by cast or heat analysis.

1 Approximate Comparison Table

China		Japan	United States	International Organization for Standardization	European Standard
GB	ISC	JIS	ASTM	ISO	EN	Numerical Grade
ML18Mn	U41188	SWRCH18A	1018	CE16E4	C17E2C	1.1147

2 Approximate Comparison Table Steel for Cold Heading and Cold Extrusion

China		Japan	United States	International Organization for Standardization	European Standard
YB	GB	JIS	ASTM	ISO	EN
QML18Mn	ML18Mn	SWRCH18A	1018	C17C	C17C

3 Approximate Comparison Table Steel for Cold Heading and Cold Extrusion

China	Japan	United States	International Organization for Standardization	European Standard
GB	JIS	ASTM	ISO	EN
ML18Mn	SWRCH18A	1018	C17C	C17C

1018 Corresponding Standards(Same grade name, different standards)

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