Cm45 1.1201 - DIN 17200-1987

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 Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW	Impact Energy Absorption KV2 J
Steel; All Sizes	Softening Annealing (G)					≤207
Steel; d≤16	Quenching and Tempering (V)	700~850	≥500	≥14	≥35		ISO-V ≥25
Steel; 16<d≤40	Quenching and Tempering (V)	650~800	≥430	≥16	≥40		≥25
Steel; 40<d≤100	Quenching and Tempering (V)	630~780	≥370	≥17	≥45		≥25
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

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"!