Ck50 1.1206 - DIN 17200-1987

Grade	Ck50
Germany W-Nr.	1.1206
Corresponding Standard	DIN 17200-1987 Steels for Quenching and Tempering; Technical Delivery Conditions
Classification	Carbon Steel

Ck50 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S
Minimum Value	0.47	-	0.6	-	-
Maximum Value	0.55	0.4	0.9	0.035	0.03

Ck50 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
Steel; All Sizes	Shearable condition (C)					≤255
Steel; All Sizes	Softening Annealing (G)					≤217
Steel; d≤16	Quenching and Tempering (V)	750~900	≥520	≥13	≥30
Steel; 16<d≤40	Quenching and Tempering (V)	700~850	≥460	≥15	≥35
Steel; 40<d≤100	Quenching and Tempering (V)	650~800	≥400	≥16	≥40
Flat steel; d≤16	Normalizing (N)	600~820	≥355		Longitudinal ≥16
Flat steel; 16<d≤100	Normalizing (N)	600~820	≥320		≥16
Flat Steel; 100<d≤160	Normalizing (N)	580~800	≥290		≥14

New and Old Grade Replacement List

1 Approximate Comparison Table High-Quality Carbon Structural Steel

China	Japan	United States	International Organization for Standardization	Germany	France	European Standard		Russia	Sweden	United Kingdom
GB	JIS	ASTM	ISO	DIN EN/DIN	NF EN/NF	EN	Numerical Grade	GOST	SS	BS EN/BS
50	S50C	1049 1050	C50 C50E4	C50 Ck50	XC48H1	C50	1.0540	50	1674	070M50 080M50

2 Approximate Comparison Table High-Quality Carbon Structural Steel

Japan	United States	International Organization for Standardization	Germany	France	European Standard		Russia	Sweden	United Kingdom
JIS	ASTM	ISO	DIN EN/DIN	NF EN/NF	EN	Numerical Grade	GOST	SS	BS EN/BS
S50C	1050	C50E4	Ck50	XC50	C50E	1.1206	50	1674	080M50 CS50

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