Ck60 1.1221 - DIN 17204-1990

Ck60 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S
Minimum Value	0.57	-	0.6	-	-
Maximum Value	0.65	0.4	0.9	0.035	0.035

Ck60 Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW
Hot drawn, cold drawn pipes	Annealing					≤241
Pipe material t≤16	Normalizing (N)	720~900	≥390	≥13(long.)；≥11(tr.)
Pipe material 16<t≤40	Normalizing (N)	700~880	≥370	≥14(long.)；≥12(tr.)
Pipe material 40<t≤80	Normalizing (N)	670~850	≥360	≥14(long.)；≥12(tr.)
Pipes t≤8	Quenching + Tempering (V)	850~1050	≥580	≥11(long.)；≥9(tr.)	≥25
Pipes; 8< t≤20	Quenching + Tempering (V)	800~1000	≥520	≥13(long.)；≥11(tr.)	≥30
Pipes; 20< t≤50	Quenching + Tempering (V)	750~950	≥450	≥14(long.)；≥12(tr.)	≥35
Pipe; 50<t≤80	Quenching + Tempering (V)	710~910	≥420	≥14(long.)；≥12(tr.)	≥35

1 Approximate Comparison Table High-Quality Carbon Structural Steel

China		United States		International Organization for Standardization	Germany		France	Russia	Sweden	United Kingdom
GB	ISC	ASTM/AISI	UNS	ISO	DIN EN/DIN	W-Nr.	NF EN/NF	GOST	SS	BS EN/BS
60	U20602	1060	G10600	C60E4	C60E Ck60	1.1221	C60E XC60	60	1678	C60E 070M60

2 Approximate Comparison Table High-Quality Carbon Structural Steel

China	Japan	International Organization for Standardization	Germany	France	European Standard		Russia	United Kingdom
GB	JIS	ISO	DIN EN/DIN	NF EN/NF	EN	Numerical Grade	GOST	BS EN/BS
60	S58C	C60E4	Ck60	XC60	C60E	1.1221	60 60G	070M60 CS60

Ck60 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"!