C45 1.0503 - DIN 17200-1987

Grade	C45
Germany W-Nr.	1.0503
Corresponding Standard	DIN 17200-1987 Steels for Quenching and Tempering; Technical Delivery Conditions
Classification	Carbon Steel

C45 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Pb ^*
Minimum Value	0.42	-	0.5	-	-	0.15
Maximum Value	0.5	0.4	0.8	0.045	0.045	0.33

C45 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	Softening Annealing (G)					≤207
Steel; d≤16	Quenching and Tempering (V)	700~850	≥500	≥14	≥30
Steel; 16<d≤40	Quenching and Tempering (V)	650~800	≥430	≥16	≥35
Steel; 40<d≤100	Quenching and Tempering (V)	630~780	≥370	≥17	≥40
Bars; 16<d≤100	Normalizing (N)	590~740	≥335		≥17
Flat steel; d≤16	Normalizing (N)	580~770	≥340		Longitudinal ≥17
Flat steel; 16<d≤100	Normalizing (N)	580~770	≥305		≥17
Flat Steel; 100<d≤160	Normalizing (N)	560~750	≥275		≥15

New and Old Grade Replacement List

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
45	S45C	1042 1045 Gr.1043	C45	C45	AF65C45 C45	C45	1.0503	45	1650	070M46 50HS

C45 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"!