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DIN 17742 LC‑NiCr15Fe Soft‑Annealed Alloy (+A) – Low‑Carbon, Corrosion‑Resistant, High‑Temperature Durable

The material LC-NiCr15Fe with the material number 2.4817 is applied in the form of strips, sheets, tubes, bars, wires and forgings for corrosion-resistant construction components. It is similar to the material NiCr15Fe (material number 2.4816), yet with a very low carbon content, and it shows excellent resistance to intercrystalline corrosion and stress cracking corrosion at elevated temperatures, too, and it possesses good resistance to dry chlorine gas and hydrogen chloride. Application preferably at temperatures below 450 °C. Application for steam generators in pressurized water reactors and boiling water reactors, for moderating coolers and feed-water heaters, for the production and processing of sodium hydroxide and vinyl-chloride monomers and in the paper and cellulose industry. Processing properties: Formability: good Weldability: good

Properties

General

PropertyTemperatureValue

Density

20.0 °C

8.4 g/cm³

Mechanical

PropertyTemperatureValue

Elastic modulus

20.0 °C

214 GPa

100.0 °C

209 GPa

200.0 °C

205 GPa

300.0 °C

200 GPa

400.0 °C

194 GPa

500.0 °C

187 GPa

600.0 °C

180 GPa

700.0 °C

172 GPa

800.0 °C

163 GPa

900.0 °C

153 GPa

1000.0 °C

143 GPa

Elongation

20.0 °C

30 %

100.0 °C

45 %

200.0 °C

45 %

300.0 °C

45 %

400.0 °C

45 %

Elongation A100

20.0 °C

20 - 25 %

Hardness, Brinell

20.0 °C

195 - 240 [-]

Tensile strength

20.0 °C

550 - 650 MPa

100.0 °C

530 MPa

200.0 °C

500 MPa

300.0 °C

485 MPa

400.0 °C

480 MPa

Yield strength Rp0.2

20.0 °C

170 - 180 MPa

100.0 °C

150 MPa

200.0 °C

140 MPa

300.0 °C

130 MPa

400.0 °C

125 MPa

Yield strength Rp1.0

20.0 °C

200 - 210 MPa

100.0 °C

180 MPa

200.0 °C

170 MPa

300.0 °C

160 MPa

400.0 °C

150 MPa

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

100.0 °C

1.37E-5 1/K

200.0 °C

1.41E-5 1/K

300.0 °C

1.44E-5 1/K

400.0 °C

1.48E-5 1/K

500.0 °C

1.51E-5 1/K

600.0 °C

1.54E-5 1/K

700.0 °C

1.58E-5 1/K

800.0 °C

1.61E-5 1/K

900.0 °C

1.64E-5 1/K

1000.0 °C

1.69E-5 1/K

Max service temperature, long

0 - 450 °C

Melting point

1400 °C

Typical for Nickel Chromium Alloy

Specific heat capacity

20.0 °C

455 J/(kg·K)

100.0 °C

475 J/(kg·K)

200.0 °C

495 J/(kg·K)

300.0 °C

508 J/(kg·K)

400.0 °C

525 J/(kg·K)

500.0 °C

550 J/(kg·K)

600.0 °C

572 J/(kg·K)

700.0 °C

602 J/(kg·K)

800.0 °C

620 J/(kg·K)

900.0 °C

630 J/(kg·K)

1000.0 °C

635 J/(kg·K)

Thermal conductivity

20.0 °C

14.8 W/(m·K)

100.0 °C

15.8 W/(m·K)

200.0 °C

17 W/(m·K)

300.0 °C

18.4 W/(m·K)

400.0 °C

20 W/(m·K)

500.0 °C

22 W/(m·K)

600.0 °C

24 W/(m·K)

700.0 °C

25.7 W/(m·K)

800.0 °C

27.5 W/(m·K)

900.0 °C

29.4 W/(m·K)

1000.0 °C

31.2 W/(m·K)

Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

1.03E-6 Ω·m

100.0 °C

1.04E-6 Ω·m

200.0 °C

1.06E-6 Ω·m

300.0 °C

1.07E-6 Ω·m

400.0 °C

1.09E-6 Ω·m

500.0 °C

1.11E-6 Ω·m

600.0 °C

1.12E-6 Ω·m

700.0 °C

1.12E-6 Ω·m

800.0 °C

1.12E-6 Ω·m

900.0 °C

1.13E-6 Ω·m

1000.0 °C

1.14E-6 Ω·m

Chemical properties

PropertyValue

Aluminium

0.3 %

Boron

6E-3 %

Carbon

0.025 %

Chromium

14 - 17 %

Copper

0.5 %

Iron

6 - 10 %

Manganese

1 %

Nickel

72 %

Phosphorus

0.02 %

Silicon

0.5 %

Sulfur

0.015 %

Titanium

0.3 %


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