C45 1.0503 - DIN 17204-1990

C45 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S
Minimum Value	0.42	-	0.5	-	-
Maximum Value	0.5	0.4	0.8	0.045	0.045

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
Hot drawn, cold drawn pipes	Annealing					≤207
Pipe material t≤16	Normalizing (N)	610~760	≥350	≥16(long.)；≥14(tr.)
Pipe material 16<t≤40	Normalizing (N)	590~740	≥330	≥17(long.)；≥15(tr.)
Pipe material 40<t≤80	Normalizing (N)	570~720	≥320	≥17(long.)；≥15(tr.)
Pipes t≤8	Quenching + Tempering (V)	700~900	≥490	≥14(long.)；≥12(tr.)	≥35
Pipes; 8< t≤20	Quenching + Tempering (V)	650~850	≥430	≥16(long.)；≥14(tr.)	≥40
Pipes; 20< t≤50	Quenching + Tempering (V)	630~830	≥370	≥17(long.)；≥15(tr.)	≥45
Pipe; 50<t≤80	Quenching + Tempering (V)	600~800	≥340	≥17(long.)；≥15(tr.)	≥45

Approximate Comparison Table

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"!