Cm45 1.1201 - DIN 17204-1990

Cm45 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S
Minimum Value	0.42	-	0.5	-	0.02
Maximum Value	0.5	0.4	0.8	0.035	0.035

Cm45 Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b	Yield Point σ_s	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW	Impact Energy Absorption KV2 J
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		* ≥25
Pipes; 20< t≤50	Quenching + Tempering (V)	630~830	≥370	≥17(long.)；≥15(tr.)	≥45		≥25
Pipe; 50<t≤80	Quenching + Tempering (V)	600~800	≥340	≥17(long.)；≥15(tr.)	≥45		≥25

Approximate Comparison Table Non-Alloy Steel for Quenching and Tempering

United States	International Organization for Standardization	Germany	France	European Standard
ASTM	ISO	DIN EN/DIN	NF EN/NF	EN	Numerical Grade
1045	C45R C45M2	Cm45	XC48H1u	C45R	1.1201

Cm45 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"!