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DIN 17465 G‑X30CrNiSiNb24‑24 Cast Steel – Key Properties & Performance

G-X 30 CrNiSiNb 24 24, for industry oven and natural gas systems resistance: - in carburising gas: good - in nitrogenous gas: good - in oxidising sulfureous gas: middle - in reductive sulfureous gas: low - temperature loading on air: up to 1050°C

Properties

General

PropertyTemperatureValue

Density

20.0 °C

8 g/cm³

Mechanical

PropertyTemperatureValueComment

Elastic modulus

20.0 °C

200 GPa

Elongation

20.0 °C

5 %

Poisson's ratio

23.0 °C

0.3 [-]

Typical for Steel

Tensile strength

20.0 °C

440 MPa

Yield strength Rp0.2

20.0 °C

230 MPa

Thermal

PropertyTemperatureValue

Coefficient of thermal expansion

400.0 °C

1.7E-5 1/K

800.0 °C

1.8E-5 1/K

1000.0 °C

1.85E-5 1/K

Max service temperature, long

0 - 1050 °C

Specific heat capacity

20.0 °C

500 J/(kg·K)

Thermal conductivity

20.0 °C

14.6 W/(m·K)

Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

9.6E-7 Ω·m

Chemical properties

PropertyValue

Carbon

0.25 - 0.4 %

Chromium

23 - 25 %

Manganese

1.5 %

Nickel

23 - 25 %

Niobium

1.2 - 1.8 %

Phosphorus

0.04 %

Silicon

0.5 - 2 %

Sulfur

0.03 %


Metal

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