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EN 10095 NiCr28FeSiCe – Solution Annealed (AT) – Premium High‑Temperature Chromium Alloy

NiCr28FeSiCe is a highly chrome-containing, austenitic, high-temperature NiCrFe-alloy of controlled contents of silicon and noble earths. The material is particularly suitable for thermical waste incineration plants due to a well protecting, external chromium oxide coat associated with a subjacent silicon oxide coat. It is characterized by excellent scaling resistance up to approx. 1200°C (highest application temperature in air), favorable high-temperature and creep rupture strength, excellent resistance in oxidizing, reducing, nitriding and sulfureous media, also on alternating conditions as well as by excellent properties in waste incineration gases at temperatures from 550 to 850°C. Application in environmental engineering, coal combustors and waste incineration plants, furnace construction and industrial furnace heat-exchanger, as well as for chemical and petrochemical processes at increased temperatures.Favorable resistance in gaseous and fluorinated media. Processing properties: formability: good weldability: good

Properties

General

PropertyTemperatureValue

Density

20.0 °C

8 g/cm³

Mechanical

PropertyTemperatureValue

Elastic modulus

20.0 °C

193 GPa

100.0 °C

187 GPa

200.0 °C

183 GPa

300.0 °C

171 GPa

400.0 °C

163 GPa

500.0 °C

154 GPa

600.0 °C

152 GPa

700.0 °C

150 GPa

800.0 °C

122 GPa

900.0 °C

108 GPa

1000.0 °C

96 GPa

Elongation

20.0 °C

35 %

Elongation A80

20.0 °C

35 %

Hardness, Brinell

20.0 °C

220 [-]

Tensile strength

20.0 °C

620 - 820 MPa

Yield strength Rp0.2

20.0 °C

240 MPa

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

100.0 °C

1.3E-5 1/K

200.0 °C

1.45E-5 1/K

300.0 °C

1.49E-5 1/K

400.0 °C

1.54E-5 1/K

500.0 °C

1.57E-5 1/K

600.0 °C

1.62E-5 1/K

700.0 °C

1.66E-5 1/K

800.0 °C

1.7E-5 1/K

900.0 °C

1.73E-5 1/K

1000.0 °C

1.78E-5 1/K

Max service temperature, long

0 - 1200 °C

Melting point

1200 - 1480 °C

Typical for Nickel Chromium Iron Alloy

Specific heat capacity

20.0 °C

500 J/(kg·K)

Thermal conductivity

20.0 °C

13 W/(m·K)

500.0 °C

21 W/(m·K)

Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

1.18E-6 Ω·m

100.0 °C

1.2E-6 Ω·m

200.0 °C

1.23E-6 Ω·m

300.0 °C

1.26E-6 Ω·m

400.0 °C

1.28E-6 Ω·m

500.0 °C

1.29E-6 Ω·m

600.0 °C

1.3E-6 Ω·m

700.0 °C

1.32E-6 Ω·m

800.0 °C

1.34E-6 Ω·m

900.0 °C

1.36E-6 Ω·m

1000.0 °C

1.37E-6 Ω·m

Chemical properties

PropertyValue

Carbon

0.05 - 0.12 %

Cerium

0.03 - 0.09 %

Chromium

26 - 29 %

Copper

0.3 %

Iron

21 - 25 %

Manganese

1 %

Nickel

45 %

Phosphorus

0.02 %

Silicon

2.5 - 3 %

Sulfur

0.01 %


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