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EN 10095 X18CrN28 Soft Annealed Steel – High Sulfureous Gas & Oil Ash Resistance

Ferritic chrome steel of high resistance to sulfureous gases. Heat-resistance in air up to 1100°C (highest application temp.). Application for recuperators in corrosive flue gas of carbon and heavy oil. Very high resistance to oil ash corrosion as well as to fused lead and tin.

Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.7 g/cm³

Mechanical

PropertyTemperatureValue

Elastic modulus

20.0 °C

209.6 GPa

95.0 °C

205.46 GPa

150.0 °C

202.71 GPa

205.0 °C

198.57 GPa

260.0 °C

195.12 GPa

315.0 °C

190.99 GPa

370.0 °C

185.47 GPa

425.0 °C

179.26 GPa

Elongation

20.0 °C

15 %

Elongation A80

20.0 °C

13 %

Hardness, Brinell

20.0 °C

212 [-]

Poisson's ratio

20.0 °C

0.28 [-]

95.0 °C

0.27 [-]

150.0 °C

0.29 [-]

205.0 °C

0.29 [-]

260.0 °C

0.3 [-]

315.0 °C

0.29 [-]

370.0 °C

0.29 [-]

425.0 °C

0.3 [-]

Shear modulus

20.0 °C

82.05 GPa

95.0 °C

80.67 GPa

150.0 °C

78.6 GPa

205.0 °C

77.22 GPa

260.0 °C

75.15 GPa

315.0 °C

73.77 GPa

370.0 °C

71.71 GPa

425.0 °C

68.95 GPa

Tensile strength

20.0 °C

500 - 700 MPa

Yield strength Rp0.2

20.0 °C

280 MPa

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

200.0 °C

1E-5 1/K

400.0 °C

1.1E-5 1/K

600.0 °C

1.15E-5 1/K

800.0 °C

1.2E-5 1/K

1000.0 °C

1.3E-5 1/K

Max service temperature, long

0 - 1000 °C

Melting point

1425 - 1530 °C

Typical for Ferritic Stainless Steel

Specific heat capacity

20.0 °C

500 J/(kg·K)

Thermal conductivity

20.0 °C

17 W/(m·K)

500.0 °C

23 W/(m·K)

Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

7E-7 Ω·m

Chemical properties

PropertyValue

Carbon

0.15 - 0.2 %

Chromium

26 - 29 %

Manganese

1 %

Nitrogen

0.15 - 0.25 %

Phosphorus

0.04 %

Silicon

1 %

Sulfur

0.015 %


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