C4C - ISO 4954-2018

Grade	C4C
Corresponding Standard	ISO 4954-2018 Steels for Cold Heading and Cold Extruding
Classification	Carbon Steel

C4C Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	Al ^①	More
Minimum Value	0.02	-	0.25	-	-	-	-	-	-	0.02	Cr+Ni+Mo≤0.50
Maximum Value	0.06	0.1	0.4	0.02	0.025	0.3	0.3	0.3	0.1	0.06	Cr+Ni+Mo≤0.50

1 Approximate Comparison Table Steel for Cold Heading and Cold Extrusion

Japan	International Organization for Standardization	European Standard
JIS	ISO	EN	Numerical Grade
SWRCH6A	C2C C4C	C2C C4C	1.0314 1.0303

2 Approximate Comparison Table Steel for Cold Heading and Cold Extrusion

China		United States	International Organization for Standardization	European Standard
GB	ISC	ASTM	ISO	EN	Numerical Grade
ML04Al	U40048	1005	CC4A C4C	C4C	1.0303

3 Approximate Comparison Table Steel for Cold Heading and Cold Extrusion

China		Japan	United States	International Organization for Standardization	European Standard
GB	ISC	JIS	ASTM	ISO	EN
ML06Al	U40068	SWRCH6A	1006	C4C	C4C

C4C Corresponding Standards(Same grade name, different standards)

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