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DIN 17480 X53CrMnNiN21-9: Heat‑Treated, Precipitation Hardened Stainless Steel (AT+P)

Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.8 g/cm³

Mechanical

PropertyTemperatureValueComment

Elastic modulus

20.0 °C

205 GPa

Elongation

20.0 °C

8 %

Hardness, Rockwell C

20.0 °C

30 [-]

Poisson's ratio

23.0 °C

0.3 [-]

Typical for Austenitic Stainless Steel

Reduction of area

20.0 °C

10 %

Shear modulus

23.0 °C

77 GPa

Typical for Austenitic Stainless Steel

Tensile strength

20.0 °C

950 - 1200 MPa

500.0 °C

650 MPa

550.0 °C

600 MPa

600.0 °C

550 MPa

650.0 °C

500 MPa

700.0 °C

450 MPa

750.0 °C

370 MPa

800.0 °C

300 MPa

Yield strength Rp0.2

20.0 °C

580 MPa

500.0 °C

350 MPa

550.0 °C

330 MPa

600.0 °C

300 MPa

650.0 °C

270 MPa

700.0 °C

250 MPa

750.0 °C

230 MPa

800.0 °C

200 MPa

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

100.0 °C

1.55E-5 1/K

300.0 °C

1.75E-5 1/K

500.0 °C

1.85E-5 1/K

700.0 °C

1.88E-5 1/K

Max service temperature, long

0 - 730 °C

Melting point

1230 - 1480 °C

Typical for Austenitic Stainless Steel

Specific heat capacity

20.0 °C

500 J/(kg·K)

Thermal conductivity

20.0 °C

14.5 W/(m·K)

Electrical

PropertyTemperatureValueComment

Electrical resistivity

23.0 °C

8.5E-7 Ω·m

Typical for Austenitic Stainless Steel

Chemical properties

PropertyValue

Carbon

0.48 - 0.58 %

Chromium

20 - 22 %

Manganese

8 - 10 %

Nickel

3.5 - 4.5 %

Nitrogen

0.35 - 0.5 %

Phosphorus

0.05 %

Silicon

0.25 %

Sulfur

0.03 %


Metal

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