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SEW 410 G-X70Cr29 Cast Steel: Premium Martensitic Grade for Food, Pulp & Chemical Industries

G-X 70 Cr 29, for components of apparatuses in the food processing industry, pulp industry, fatty acid industry, as well as the industry producing dys, paper and fertiliser.

Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.7 g/cm³

Mechanical

PropertyTemperatureValueComment

Elastic modulus

23.0 °C

220 GPa

Typical for Martensitic Stainless Steel

Hardness, Brinell

20.0 °C

210 - 280 [-]

Poisson's ratio

23.0 °C

0.3 [-]

Typical for Martensitic Stainless Steel

Shear modulus

23.0 °C

77 GPa

Typical for Martensitic Stainless Steel

Tensile strength

20.0 °C

880 - 980 MPa

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

100.0 °C

9.5E-6 1/K

200.0 °C

1E-5 1/K

300.0 °C

1.05E-5 1/K

400.0 °C

1.1E-5 1/K

500.0 °C

1.15E-5 1/K

Melting point

1370 - 1530 °C

Typical for Martensitic Stainless Steel

Specific heat capacity

20.0 °C

500 J/(kg·K)

Thermal conductivity

20.0 °C

19 W/(m·K)

Electrical

PropertyTemperatureValueComment

Electrical resistivity

23.0 °C

6E-7 Ω·m

Typical for Martensitic Stainless Steel

Chemical properties

PropertyValue

Carbon

0.5 - 0.9 %

Chromium

27 - 30 %

Manganese

1 %

Phosphorus

0.05 %

Silicon

2 %

Sulfur

0.03 %


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