EN 10277-5 Grade Cm60: Cold-Drawn, Turned & Soft-Annealed Steel for High-Performance Applications

Steel Cm 60 is suitable for high strained parts in vehicle manufacturing, engine and machine engineering that require an enhanced workability while maintaining strength qualities (e.g. gear wheels, pinion, shafts). Lowest application temp. -25 °C.

Properties

General

Property	Temperature	Value
Density	20.0 °C	7.85 g/cm³

Mechanical

Property	Temperature	Value	Comment
Elastic modulus	20.0 °C	210 GPa
	100.0 °C	205 GPa
	200.0 °C	195 GPa
	300.0 °C	185 GPa
	400.0 °C	175 GPa

Hardness, Brinell	20.0 °C	241 [-]
Poisson's ratio	23.0 °C	0.29 [-]	Typical for High Carbon Steel
Shear modulus	20.0 °C	81 GPa

Thermal

Property	Temperature	Value	Comment
Coefficient of thermal expansion	100.0 °C	1.11E-5 1/K
	200.0 °C	1.21E-5 1/K
	300.0 °C	1.29E-5 1/K
	400.0 °C	1.35E-5 1/K

Max service temperature		500 °C	Typical for Carbon Steel
Max service temperature, long		-25 - 0 °C
Melting point		1289 - 1478 °C	Typical for High Carbon Steel
Specific heat capacity	23.0 °C	486 J/(kg·K)	Typical for High Carbon Steel
Thermal conductivity	20.0 °C	51 W/(m·K)
	100.0 °C	49.9 W/(m·K)
	200.0 °C	47.8 W/(m·K)
	300.0 °C	44.8 W/(m·K)

Electrical

Property	Temperature	Value
Electrical resistivity	20.0 °C	1.3E-7 Ω·m

Chemical properties

Property	Value
Carbon	0.57 - 0.65 %
Manganese	0.6 - 0.9 %
Phosphorus	0.04 %
Silicon	0.4 %
Sulfur	0.02 - 0.035 %

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Metal