C45 1.0503 - DIN 1652-1963

Grade	C45
Germany W-Nr.	1.0503
Corresponding Standard	DIN 1652-1963 Bright non-alloy steel - Technical delivery conditions
Classification	Carbon Steel

C45 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	N ^*
Minimum Value	0.42	0.15	0.5	-	-	-
Maximum Value	0.5	0.35	0.8	0.045	0.045	0.01

C45 Mechanical Properties

thickness d mm	Mark	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
t≤5	C45 K	Cold Drawing + No Heat Treatment (K)	≥800	≥660	≥4
5<t≤10		Cold Drawing + No Heat Treatment (K)	≥750	≥580	≥5
10<t≤16		Cold Drawing + No Heat Treatment (K)	≥700	≥480	≥6
16<t≤25		Cold Drawing + No Heat Treatment (K)	≥700	≥440	≥6
25<t≤40		Cold Drawing + No Heat Treatment (K)	≥650	≥380	≥7
40<t≤100		Cold Drawing + No Heat Treatment (K)	≥600	≥300	≥8
t>100		Cold Drawing + No Heat Treatment (K)	≥600	≥300	≥9
All Sizes	C45 K+G；C45 SH+G	Cold Drawn + Softening Annealing (K+G) or Pickling + Softening (SH+G)					≤206 HB30
t≤100	C45 K+N；C45 SH+N	Cold Drawing + Normalizing (K+N) or Pickling + Normalizing (SH+N)	600~720	≥340	≥18
t>100		Cold Drawing + Normalizing (K+N) or Pickling + Normalizing (SH+N)	By Agreement	By Agreement	By Agreement
t≤16	C45 K+V；C45 SH+V	Cold Drawn + Quenched and Tempered (K+V) or Descaled + Quenched and Tempered (SH+V)	750~900	≥480	≥14	≥30
16<t≤40		Cold Drawn + Quenched and Tempered (K+V) or Descaled + Quenched and Tempered (SH+V)	650~800	≥400	≥16	≥35
40<t≤100		Cold Drawn + Quenched and Tempered (K+V) or Descaled + Quenched and Tempered (SH+V)	600~720	≥360	≥18	≥40
t>100		Cold Drawn + Quenched and Tempered (K+V) or Descaled + Quenched and Tempered (SH+V)	By Agreement	By Agreement	By Agreement	By Agreement

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"!