ISO 683-4 Grade 44SMn28 untreated

ISO 683-4 Grade 44SMn28 untreated introduction

The free-cutting steel 44SMn28, suitable for quenching and tempering, well machinable. Application for turned parts of higher strength requirements.

Equivalent material: GB Y45Mn, GB L20459, EN 1.0762, ISO 44SMn28, JIS SUM43, KS SUM43, SAE 1144, UNS G11440, DIN 1.0762, DIN 44SMn28, DIN ETG 88, DIN ETG 100, AFNOR 44SMn28, BS 44SMn28, BS 226M44, AISI 1144, JIS 44SMn28, GOST A40G, GB/T L20459, GB/T Y45Mn, ASTM Grade 1144, ASTM 1144

ISO 683-4 Grade 44SMn28 untreated general

Property Temperature Value Comment
Density 23.0 °C Density of 7.8 - 7.9 g/cm³ Typical for Manganese Steel

ISO 683-4 Grade 44SMn28 untreated thermal

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

ISO 683-4 Grade 44SMn28 untreated chemical

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

ISO 683-4 Grade 44SMn28 untreated mechanical

Property Temperature Value Comment
Elastic modulus 23.0 °C Elastic modulus of 200 - 215 GPa Typical for Manganese Steel
Hardness, Brinell 20.0 °C Hardness, Brinell of 181 - 266 [-] -
Poisson's ratio 23.0 °C Poisson's ratio of 0.29 [-] Typical for Manganese Steel
Tensile strength 20.0 °C Tensile strength of 610 - 900 MPa -

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