EN 10277-3 Grade 44SMn28 cold drawn

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Description

The free cutting case hardening steel 44SMn28 is well machinable and used for production of turned parts of higher strength demands. As a bright steel product it is used in the form of bars, bright, straight, in various conditions (see DIN EN 10277 : 1999-10).

Related Standards

EN 10277-3

Equivalent Materials

This material data has been provided by WIAM.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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Properties

General

Property	Value	Temperature	Comment
Density	7.8 - 7.9 g/cm³ Show Material materials with Density of 7.8 - 7.9 g/cm³ at 23.0 °C	23.0 °C	Typical for Manganese Steel

Mechanical

Property	Value	Temperature	Comment
Elastic modulus	200 - 215 GPa Show Material materials with Elastic modulus of 200 - 215 GPa at 23.0 °C	23.0 °C	Typical for Manganese Steel
Elongation	5 - 7 % Show Material materials with Elongation of 5 - 7 % at 20.0 °C	20.0 °C
Poisson's ratio	0.29 [-] Show Material materials with Poisson's ratio of 0.29 [-] at 23.0 °C	23.0 °C	Typical for Manganese Steel
Tensile strength	630 - 1030 MPa Show Material materials with Tensile strength of 630 - 1030 MPa at 20.0 °C	20.0 °C
Yield strength Rp0.2	390 - 600 MPa Show Material materials with Yield strength Rp0.2 of 390 - 600 MPa at 20.0 °C	20.0 °C

Thermal

Property	Value	Temperature	Comment
Coefficient of thermal expansion	1.33E-5 1/K Show Material materials with Coefficient of thermal expansion of 1.33E-5 1/K at 23.0 °C	23.0 °C	Typical for Manganese Steel
Melting point	1382 - 1529 °C Show Material materials with Melting point of 1382 - 1529 °C		Typical for Manganese Steel
Specific heat capacity	510 - 553 J/(kg·K) Show Material materials with Specific heat capacity of 510 - 553 J/(kg·K) at 23.0 °C	23.0 °C	Typical for Manganese Steel
Thermal conductivity	14 - 16 W/(m·K) Show Material materials with Thermal conductivity of 14 - 16 W/(m·K) at 23.0 °C	23.0 °C	Typical for Manganese Steel

Chemical properties

Property
Carbon	0.4 - 0.48 %
Manganese	1.3 - 1.7 %
Phosphorus	0.06 %
Silicon	0.4 %
Sulfur	0.24 - 0.33 %