CC21K A5Si - ISO 4954-1993

Grade	CC21K
Old Grade
Corresponding Standard	ISO 4954-1993 Steels for cold heading and cold extruding second edition
Classification	Carbon Steel

CC21K Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S
Minimum Value	0.18	0.15	0.3	-	-
Maximum Value	0.23	0.35	0.6	0.04	0.04

CC21K Mechanical Properties

Tensile Strength σ_b Mpa	Reduction of Area ψ %
≤580	≥45

Approximate Comparison Table

China		Japan	United States	International Organization for Standardization	Germany		European Standard
GB	ISC	JIS	ASTM	ISO	DIN EN/DIN	W-Nr.	EN	Numerical Grade
ML20	U40202	SWRCH20K	1020	CC21K	C20C	1.0411	C20C	1.0411

CC21K Corresponding Standards(Same grade name, different standards)

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