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DIN 17743 NiCu30Fe Soft-Annealed Alloy (+A) – Technical Standards & Applications

The material NiCu30Fe with the material number 2.4360 is contained in the VdTÜV-Werkstoffblatt 263 : 1999-03 and in the Werkstoffhandbuch der Deutschen Luftfahrt in the Werkstoffleistungsblatt editions WL 2.4360-1 : 1993-02, 2.4360-2 : 1961-03. According to VdTÜV-Wbl 263 : 1999-03, this nickel-wrought alloy can be applied for pressure vessels corrsponding to TRB 100 as well as, in interpreting the AD-Merkblatt W 2 faithfully to its meaning, from -10 to 425 °C, and it can be applied in the nuclear engineering as far as the rules of nuclear engineering or the object-related specifications permit the use of -10 to 425 °C. The weldability is given for metal-arc welding with covered rod electrodes (S-NiCu30Mn), gas-shielded welding with (wire) rods (S-NiCu30MnTi). Resistance welding is up to an sheet thickness of 3 mm possible. No preheating and no heat-treatment neccessary after welding. The material have to be welded in the soft annealed or stress relieved condition. Welding of the material also possible after 5 % cold forming and stress relieve annealing. Stress relieve annaeling is necessary if internal stress existent after the welding. The material is cold and hot formable. For the Ni-base alloy acc. DIN 17743 : 2002-09 is valid: The material is applied in the form of strips, sheets, tubes, bars, wires and forgings for corrosion-resistant construction components. NiCu30Fe possesses favourable mechanical and corrosion-chemical properties. It shows good strength and toughness. Good durability in hydrofluoric acid, sulphuric acid, non-oxidizing diluted acids, lyes and salt solutions, organic acids as well as in dry gases like oxygen, chlorine, hydrogen chloride, sulphur dioxide and carbon oxide. The material is free of chlorine-induced stress cracking corrosion. In the presence of components with an oxidizing effect like iron salts or copper salts, the use of the material is not to be recommended. Application in the offshore technology, e.g. for capacitors, pipelines, plating and valves and fittings, for plants of the chemical and petrochemical manufacturing technology, e.g. centrifuges in salt processing plants, for plants and construction components of ships, e.g. valves, fire extinguishing systems, pumps and water propeller shafts, in the energy technology, e.g. high-pressure feed-water heaters and coolers, in the environmental technology, e.g. evaporation plants and crystallizers in the sewage technology. Processing properties: Formability: very good Weldability: good

Properties

General

PropertyTemperatureValue

Density

20.0 °C

8.8 - 8.82 g/cm³

Mechanical

PropertyTemperatureValue

Elastic modulus

20.0 °C

182 GPa

100.0 °C

180 GPa

200.0 °C

177 GPa

300.0 °C

170 GPa

400.0 °C

165 GPa

500.0 °C

150 GPa

Elongation

20.0 °C

30 - 35 %

100.0 °C

30 %

200.0 °C

30 %

300.0 °C

30 %

400.0 °C

30 %

425.0 °C

30 %

Elongation A100

20.0 °C

20 - 30 %

Elongation A50

20.0 °C

30 %

Hardness, Brinell

20.0 °C

140 - 150 [-]

Hardness, Vickers, 10

20.0 °C

155 [-]

Shear strength

20.0 °C

340 MPa

Tensile strength

20.0 °C

400 - 730 MPa

100.0 °C

420 MPa

150.0 °C

400 MPa

200.0 °C

390 MPa

250.0 °C

385 MPa

300.0 °C

380 MPa

350.0 °C

375 MPa

400.0 °C

370 MPa

425.0 °C

360 - 370 MPa

Tensile strength, transverse

100.0 °C

420 MPa

150.0 °C

400 MPa

200.0 °C

390 MPa

250.0 °C

385 MPa

300.0 °C

380 MPa

350.0 °C

375 MPa

400.0 °C

370 MPa

425.0 °C

370 MPa

Yield strength Rp0.2

20.0 °C

150 - 180 MPa

100.0 °C

150 MPa

150.0 °C

140 MPa

200.0 °C

135 MPa

250.0 °C

132 MPa

300.0 °C

130 MPa

350.0 °C

130 MPa

400.0 °C

130 MPa

425.0 °C

130 MPa

Yield strength Rp0.2, transverse

100.0 °C

150 MPa

150.0 °C

140 MPa

200.0 °C

135 MPa

250.0 °C

132 MPa

300.0 °C

130 MPa

350.0 °C

130 MPa

400.0 °C

130 MPa

425.0 °C

130 MPa

Yield strength Rp1.0

20.0 °C

205 - 210 MPa

100.0 °C

220 MPa

200.0 °C

210 MPa

300.0 °C

190 MPa

400.0 °C

180 MPa

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

-130.0 °C

1.15E-5 1/K

-75.0 °C

1.21E-5 1/K

93.0 °C

1.39E-5 1/K

100.0 °C

1.38E-5 - 1.39E-5 1/K

200.0 °C

1.45E-5 - 1.55E-5 1/K

300.0 °C

1.49E-5 - 1.58E-5 1/K

400.0 °C

1.52E-5 - 1.6E-5 1/K

500.0 °C

1.56E-5 - 1.63E-5 1/K

600.0 °C

1.6E-5 - 1.66E-5 1/K

700.0 °C

1.64E-5 - 1.7E-5 1/K

800.0 °C

1.68E-5 - 1.74E-5 1/K

900.0 °C

1.73E-5 - 1.77E-5 1/K

Max service temperature, long

-10 - 450 °C

Melting point

1170 - 1365 °C

Typical for Nickel Copper Alloy

Specific heat capacity

20.0 °C

427 - 452 J/(kg·K)

100.0 °C

445 - 461 J/(kg·K)

200.0 °C

465 - 473 J/(kg·K)

300.0 °C

478 - 484 J/(kg·K)

400.0 °C

490 - 495 J/(kg·K)

500.0 °C

523 J/(kg·K)

600.0 °C

544 J/(kg·K)

700.0 °C

555 J/(kg·K)

800.0 °C

566 J/(kg·K)

900.0 °C

577 J/(kg·K)

1000.0 °C

587 J/(kg·K)

1150.0 °C

603 J/(kg·K)

Thermal conductivity

-130.0 °C

22 W/(m·K)

-75.0 °C

24 W/(m·K)

20.0 °C

21.8 - 26 W/(m·K)

100.0 °C

25.4 - 29.5 W/(m·K)

200.0 °C

28.7 - 33 W/(m·K)

300.0 °C

31.9 - 36.5 W/(m·K)

400.0 °C

34.7 - 440 W/(m·K)

500.0 °C

38.4 - 44 W/(m·K)

600.0 °C

41.2 - 48.5 W/(m·K)

700.0 °C

43.1 - 52 W/(m·K)

800.0 °C

45.1 - 56 W/(m·K)

900.0 °C

47.5 - 58 W/(m·K)

1000.0 °C

50 W/(m·K)

1150.0 °C

52.9 W/(m·K)

Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

5.13E-7 - 5.47E-7 Ω·m

100.0 °C

5.4E-7 Ω·m

200.0 °C

5.55E-7 Ω·m

300.0 °C

5.75E-7 Ω·m

400.0 °C

5.85E-7 Ω·m

500.0 °C

6E-7 Ω·m

600.0 °C

6.18E-7 Ω·m

700.0 °C

6.35E-7 Ω·m

800.0 °C

6.55E-7 Ω·m

900.0 °C

6.75E-7 Ω·m

Chemical properties

PropertyValue

Aluminium

0.5 %

Carbon

0.15 - 0.3 %

Cobalt

2 %

Copper

28 - 34 %

Iron

1 - 2.5 %

Manganese

2 %

Nickel

63 %

Silicon

0.5 %

Sulfur

0.02 - 0.024 %

Titanium

0.3 %


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