EN 10083-3 Grade 27MnCrB5-2 quenched and tempered (+QT)

EN 10083-3 Grade 27MnCrB5-2 quenched and tempered (+QT) introduction

B-alloyed tempering steel for general machine engineering.
The steel is shearable in the non treated condition.

Equivalent material: ISO 27MnCrB5-2, EN 1.7182, DIN 1.7182

EN 10083-3 Grade 27MnCrB5-2 quenched and tempered (+QT) general

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

EN 10083-3 Grade 27MnCrB5-2 quenched and tempered (+QT) thermal

Property Value
Boron Boron of 8E-4 - 5E-3 %
Carbon Carbon of 0.24 - 0.3 %
Chromium Chromium of 0.3 - 0.6 %
Copper Copper of 0.4 %
Manganese Manganese of 1.1 - 1.4 %
Phosphorus Phosphorus of 0.03 %
Silicon Silicon of 0.4 %
Sulfur Sulfur of 0.035 %

EN 10083-3 Grade 27MnCrB5-2 quenched and tempered (+QT) mechanical

Property Temperature Value Comment
Elastic modulus 23.0 °C Elastic modulus of 190 - 210 GPa Typical for Steel
Elongation 20.0 °C Elongation of 14 - 15 % -
Poisson's ratio 23.0 °C Poisson's ratio of 0.3 [-] Typical for Steel
Reduction of area 20.0 °C Reduction of area of 55 % -
Tensile strength 20.0 °C Tensile strength of 800 - 1250 MPa -
Yield strength 20.0 °C Yield strength of 700 - 800 MPa -

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