DIN EN 1.4462

DIN EN 1.4462 introduction

Duplex is characterized by a very high strength and good corrosion resistance. The yield point is more than 2x higher than austenitic steels and has a lower coefficient of expansion.

Equivalent material: EN 1.4462, DIN X2CrNiMoN22-5-3, UNS S31803, SS 2377

DIN EN 1.4462 general

Property Temperature Value Comment
Density 23.0 °C Density of 7.8 g/cm³ typical for steels

DIN EN 1.4462 thermal

Property Value Comment
Carbon Carbon of 0.03 % max.
Chromium Chromium of 21 - 23 % -
Manganese Manganese of 2 % max.
Molybdenum Molybdenum of 2.5 - 3.5 % -
Nickel Nickel of 4.5 - 6.5 % -
Nitrogen Nitrogen of 0.1 - 0.22 % -
Silicon Silicon of 1 % max.

DIN EN 1.4462 mechanical

Property Temperature Value Comment
Elastic modulus 23.0 °C Elastic modulus of 200 - 210 GPa typical for steels
Elongation A5 23.0 °C Elongation A5 of 25 % -
Hardness, Brinell 23.0 °C Hardness, Brinell of 270 [-] -
Tensile strength 23.0 °C Tensile strength of 650 - 880 MPa -
Yield strength Rp0.2 23.0 °C Yield strength Rp0.2 of 450 MPa -

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