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 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"!