08кп - GOST 1050-1988

Grade	08кп
Corresponding Standard	GOST 1050-1988 Sized Bars Made Of High-Quality Structural Carbon Steel with A Special Surface Finish
Classification	Carbon Steel
Properties	Good Weldability Carburizing Capability

08кп Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	As
Minimum Value	0.05	-	0.25	-	-	-	-	-	-
Maximum Value	0.12	0.03	0.5	0.035	0.04	0.1	0.3	0.3	0.08

① Identification numbers for steels (depending on degree of deoxidation) shall be used: kn is for rimmed steel; nc is for semi-killed steel; and identification numbers without letters are for killed steels.
②The nitrogen fraction of total mass in basic oxygen steel shall not exceed 0.006 % for light-gage rolled products and strips and 0.008 % for other types of rolled products.

Approximate Comparison Table High-Quality Carbon Structural Steel

China		Japan	South Korea	United States	Germany		Russia
GB	ISC	JIS	KS	ASTM/AISI	DIN EN/DIN	W-Nr.	GOST
08F	U20080	S9CK	SM9CK	≈1008	USt4	1.0336	08кп

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