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NiCu30Al | 2.4375 Material Datasheet

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Material Description

Material Number Material Number (single) Standard Range of Application Standard Status Country Application temperature [°C]
2.4375 (DIN 17743 : 2002-09) 2.4375 DIN 17743 : 2002-09 Supersedes DIN 17743 : 1983-02 Valid Germany ≤ 650 1)
1) Remark: The hardenable material NiCu30Al with the material number 2.4375 is applied in the form of strips, sheets, tubes, bars, wires and forgings for corrosion-resistant construction components and knives. Owing to aluminium and titanium additives, this is a hardenable alloy that combines the excellent corrosion-resistance of NiCu30Fe (2.4360) with substantially higher mechanical properties. The high tensile strength remains at temperatures up to 650 °C. The material shows a low permeability and is non-magnetic. Furthermore, it is marked by excellent corrosion-resistance in a wide range of the maritime technology and the chemistry. It shows good fatigue strength as well as very good resistance to chloride-induced stress cracking corrosion. In principle, the corrosion-resistance is equal to that of NiCu30Fe. The material shows an excellent resistance to many mediums, from pure water to mineral acids, salts, alkalis. A good durability shows itself in fast sea water currents and in sea air, yet pitting can occur in hardly moving or in still sea water. NiCu30Al is applied in sea water, in the chemical and petrochemical industry and in the ship-building. Typical applications are valve coverings, pump bushes and wearing rings in sea water, pump columns for fire extinguishing pumps, propeller shafts, fastening elements like e.g. bolts in sea air and tide water, tow rope reinforcements, springs, oil boring shafts, non-magnetic boring bars, aeroplane instrument components. Processing properties: Formability: good Weldability: good (annealed condition) not common (hardened condition)

Chemical Composition

Al [%] C [%] Co [%] Cu [%] Fe [%] Mn [%] Ni [%] S [%] Si [%] Ti [%] Ni+Co [%]
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Mechanical Properties

Semi-finished Product Condition Condition Number Strength Abbrevation Nominal Size [mm] Area [mm²] Temperature [°C] Tensile Strength [MPa] Yield Strength (0.2% offset) [MPa] Yield Strength (1.0% offset) [MPa] Elongation A [%] Hardness HB | HBW
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Physical Properties

Temperature [°C] Melting Temperature [°C] Density [g/cm³] Young's Modulus [GPa] Mean Coefficient of Thermal Expansion (reference 20°C) [10^-6*K^-1] Thermal Conductivity [W/(m*K)] Specific Electrical Resistance [µΩm] Mean Specific Heat Capacity [kJ/(kg*K)]
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Welding and Joining

Procedure Welding and Joining - Evaluation Interpass Temperature [°C] Added Materials
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Toughness Data (Impact)

Condition Temperature [°C] Specimen Shape Notch Impact Energy [J]
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Creep Rupture Behaviour

Condition Temperature [°C] 1% Creep Limit at 10^4 h [MPa]
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Cross Reference

Material Name Country Standard
NA 18 Great Britain BS 3072
NA 18 Great Britain BS 3073
NA 18 Great Britain BS 3074
NA 18 Great Britain BS 3075
NA 18 Great Britain BS 3076
NiCu30Al3Ti International ISO 9722
N05500 USA UNS
N05500 USA AMS 4676
B865 UNS N05500 USA ASTM B865
F2215 UNS N05500 USA ASTM F2215
F467 Alloy 500 USA ASTM F467
F468 Alloy 500 USA ASTM F468
N05500 USA FED QQ-BN-286
N05500 USA MIL MIL-V-17547
N05500 USA MIL SPEC MIL-N-24549
N05500 USA NACE MR-01-75
NiCu30Al Germany DIN 17750
NiCu30Al Germany DIN 17751
NiCu30Al Germany DIN 17752
NiCu30Al Germany DIN 17753

Material Compliance

REACh RoHS
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