DIN 17730 Grade G-NiCu30Nb cast condition

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Description

The cast material G-NiCu30Nb shows very good resistance to sea water and possesses good corrosion properties against non-oxidizing inorganic acids, especially against sulphuric, hydrofluoric and phosphorous acid, against most organic acids and against alkaline solutions. Furthermore, the material is of excellent resistance to erosion and cavitation. It is the only Ni-Cu-cast material with good weldability. Unlike the nickel-copper materials that are alloyed with silicium, G-NiCu30Nb shows substantially lower strength properties. The material is applied in the shipbuilding, in the chemical industry, in the paper and food industry, for pickling plants, washing machines, as castings for pumps and pump components, fittings, valves and valve seats, nozzles, turbine blades, guide rails, sliding elements and bearings. The casting is well suitable for stress in terms of pressure-tightness.

Related Standards

DIN 17730

Equivalent Materials

Diese Materialdaten wurden von WIAM zur Verfügung gestellt

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Eigenschaften

Allgemein

Property	Temperature	Value
Dichte	20.0 °C	8.6 g/cm³ Show Material materials with Dichte of 8.6 g/cm³

Mechanisch

Property	Temperature	Value	Comment
Dehnung	20.0 °C	25 % Show Material materials with Dehnung of 25 %
Elastizitätsmodul	23.0 °C	120 - 156 GPa Show Material materials with Elastizitätsmodul of 120 - 156 GPa	Typical for Nickel Copper Alloy
Härte, Brinell	20.0 °C	120 [-] Show Material materials with Härte, Brinell of 120 [-]
Streckgrenze Rp 0,2	20.0 °C	220 MPa Show Material materials with Streckgrenze Rp 0,2 of 220 MPa
Zugfestigkeit	20.0 °C	450 MPa Show Material materials with Zugfestigkeit of 450 MPa

Thermisch

Property	Temperature	Value	Comment
Koeffizient der thermischen Ausdehnung	23.0 °C	1.1E-5 - 1.6E-5 1/K Show Material materials with Koeffizient der thermischen Ausdehnung of 1.1E-5 - 1.6E-5 1/K	Typical for Nickel Copper Alloy
Schmelzpunkt		1170 - 1365 °C Show Material materials with Schmelzpunkt of 1170 - 1365 °C	Typical for Nickel Copper Alloy
Spezifische Wärmekapazität	23.0 °C	418 - 540 J/(kg·K) Show Material materials with Spezifische Wärmekapazität of 418 - 540 J/(kg·K)	Typical for Nickel Copper Alloy
Wärmeleitfähigkeit	23.0 °C	16 - 45 W/(m·K) Show Material materials with Wärmeleitfähigkeit of 16 - 45 W/(m·K)	Typical for Nickel Copper Alloy

Chemical properties

Property	Value
Aluminium	0.5 % Show Material materials with Aluminium of 0.5 %
Blei	0.01 % Show Material materials with Blei of 0.01 %
Eisen	1 - 2.5 % Show Material materials with Eisen of 1 - 2.5 %
Kohlenstoff	0.15 % Show Material materials with Kohlenstoff of 0.15 %
Kupfer	26 - 33 % Show Material materials with Kupfer of 26 - 33 %
Magnesium	0.12 % Show Material materials with Magnesium of 0.12 %
Mangan	0.5 - 1.5 % Show Material materials with Mangan of 0.5 - 1.5 %
Nickel	62 - 68 % Show Material materials with Nickel of 62 - 68 %
Niobium	1 - 1.5 % Show Material materials with Niobium of 1 - 1.5 %
Schwefel	0.01 % Show Material materials with Schwefel of 0.01 %
Silizium	0.5 - 1.5 % Show Material materials with Silizium of 0.5 - 1.5 %
Titan	0.2 % Show Material materials with Titan of 0.2 %

Technological properties

Property
Processing methods	sand casting, separately cast test sample