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DIN 17740 Ni99.2 Soft‑Annealed Grade (+A) – Premium Corrosion‑Resistant Nickel

The material Ni99.2 with the material number 2.4066 is applied in the form of strips, sheets, tubes, bars, wires and forgings for corrosion-resistant construction components, built-in parts for light bulbs and thermionic valves. Ni99.2 is technically pure nickel with high ductility, good thermal conductivity and outstanding resistance to numerous corrosive mediums. In reducing conditions, e.g. in hydrofluoric and hydrochloric acid, the material offers good resistance to corrosion. In oxidizing conditions, a protective film forms on the surface. This process constitutes the reason for the good resistance to sodium hydroxide, hydrogen chloride (dry) and bromine (dry). Typical fields of application are chemistry and petrochemistry, e.g. heater tubes, tube plating and circulation plates of the evaporators of a caustic soda plant, plant components for the salt production, e.g. heat exchangers, centrifuges, valves and fittings, production of hydrogen chloride and chlorination of hydrocarbons like benzene, methane, ethane as well as for the production of vinyl elastomers. In the food industry processing of fatty acids, fruit juices, ice cream. Production of synthetic fibres and soaps. Processing properties: Formability: very good Weldability: good

Properties

General

PropertyTemperatureValue

Density

20.0 °C

8.9 g/cm³

Mechanical

PropertyTemperatureValue

Elastic modulus

20.0 °C

205 GPa

100.0 °C

200 GPa

200.0 °C

196 GPa

300.0 °C

190 GPa

400.0 °C

182 GPa

500.0 °C

175 GPa

600.0 °C

165 GPa

700.0 °C

153 GPa

800.0 °C

140 GPa

900.0 °C

134 GPa

Elongation

20.0 °C

35 - 40 %

100.0 °C

40 %

200.0 °C

40 %

300.0 °C

45 %

400.0 °C

40 %

500.0 °C

35 %

600.0 °C

30 %

Elongation A100

20.0 °C

20 - 30 %

Hardness, Brinell

20.0 °C

130 [-]

Tensile strength

20.0 °C

370 - 400 MPa

100.0 °C

390 MPa

200.0 °C

360 MPa

300.0 °C

370 MPa

400.0 °C

330 MPa

500.0 °C

255 MPa

600.0 °C

200 MPa

Yield strength Rp0.2

20.0 °C

100 MPa

100.0 °C

150 MPa

200.0 °C

130 MPa

300.0 °C

140 MPa

400.0 °C

130 MPa

500.0 °C

100 MPa

600.0 °C

80 MPa

Yield strength Rp1.0

20.0 °C

125 MPa

100.0 °C

180 MPa

200.0 °C

160 MPa

300.0 °C

170 MPa

400.0 °C

160 MPa

500.0 °C

130 MPa

600.0 °C

105 MPa

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

100.0 °C

1.33E-5 1/K

200.0 °C

1.39E-5 1/K

300.0 °C

1.43E-5 1/K

400.0 °C

1.48E-5 1/K

500.0 °C

1.52E-5 1/K

600.0 °C

1.56E-5 1/K

700.0 °C

1.58E-5 1/K

800.0 °C

1.62E-5 1/K

900.0 °C

1.65E-5 1/K

1000.0 °C

1.67E-5 1/K

Melting point

1400 - 1500 °C

Typical for Pure/Low Nickel Alloy

Specific heat capacity

20.0 °C

456 J/(kg·K)

100.0 °C

475 J/(kg·K)

200.0 °C

500 J/(kg·K)

300.0 °C

570 J/(kg·K)

400.0 °C

530 J/(kg·K)

500.0 °C

525 J/(kg·K)

600.0 °C

535 J/(kg·K)

700.0 °C

550 J/(kg·K)

800.0 °C

565 J/(kg·K)

900.0 °C

580 J/(kg·K)

1000.0 °C

590 J/(kg·K)

Thermal conductivity

20.0 °C

70.5 W/(m·K)

100.0 °C

66.5 W/(m·K)

200.0 °C

61.5 W/(m·K)

300.0 °C

57 W/(m·K)

400.0 °C

56 W/(m·K)

500.0 °C

57.5 W/(m·K)

600.0 °C

60 W/(m·K)

700.0 °C

62 W/(m·K)

800.0 °C

64 W/(m·K)

900.0 °C

66.5 W/(m·K)

1000.0 °C

69 W/(m·K)

Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

9E-8 Ω·m

100.0 °C

1.3E-7 Ω·m

200.0 °C

1.9E-7 Ω·m

300.0 °C

2.6E-7 Ω·m

400.0 °C

3.3E-7 Ω·m

500.0 °C

3.7E-7 Ω·m

600.0 °C

4E-7 Ω·m

700.0 °C

4.3E-7 Ω·m

800.0 °C

4.5E-7 Ω·m

900.0 °C

4.8E-7 Ω·m

1000.0 °C

5.1E-7 Ω·m

Chemical properties

PropertyValue

Carbon

0.1 %

Cobalt

1 %

Copper

0.25 %

Iron

0.4 %

Magnesium

0.15 %

Manganese

0.35 %

Nickel

98.2 %

Silicon

0.25 %

Sulfur

5E-3 %

Titanium

0.1 %


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