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Duplex Stainless Steel

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Description

Equivalent Materials

Properties

Mechanical

Elongation A

25 % at 20 °C

Hardness, Brinell HB

270 [-] at 20 °C

Tensile strength Rm

650 - 880 MPa at 20 °C

Yield strength YS

450 MPa at 20 °C

Chemical properties

Element

Weight %

Comment

Cr

21 - 23 %

Ni

4.5 - 6.5 %

Mo

2.5 - 3.5 %

Mn

2 %

max.

Si

1 %

max.

More

Technological properties

Other

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.

This material data has been provided by Salomons Metalen.

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.