DIN 17730 Grade G-NiCu30Si4 cast condition

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Description

The copper-nickel alloys show very good resistance to sea water and possesse good corrosion-resistance against non-oxidizing inorganic acids, especially against sulphuric, hydrofluoric and phosphorous acid, against most organic acids and especially against alkaline solutions. Furthermore, they are of excellent resistance to erosion and cavitation. The material G-NiCu30Si4 shows only low galling and fouling in running against other metallic materials. In comparison to the material G-NiCu30Si3(2.4367), the alloy G-NiCu30Si4 (2.4368) shows improved bearing and strength properties (higher Si-content!) The material is not weldable. G-NiCu30Si4 is applied in shipbuilding, in the chemical industry, in the oil, 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	8.4 g/cm³ Show Material materials with Dichte of 8.4 g/cm³

Mechanisch

Property	Temperature	Value	Comment
Dehnung	20.0 °C	1 % Show Material materials with Dehnung of 1 %
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	260 [-] Show Material materials with Härte, Brinell of 260 [-]
Streckgrenze Rp 0,2	20.0 °C	500 MPa Show Material materials with Streckgrenze Rp 0,2 of 500 MPa
Zugfestigkeit	20.0 °C	750 MPa Show Material materials with Zugfestigkeit of 750 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	0.25 % Show Material materials with Kohlenstoff of 0.25 %
Kupfer	27 - 31 % Show Material materials with Kupfer of 27 - 31 %
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	60 - 68 % Show Material materials with Nickel of 60 - 68 %
Schwefel	0.01 % Show Material materials with Schwefel of 0.01 %
Silizium	3.5 - 4.5 % Show Material materials with Silizium of 3.5 - 4.5 %
Titan	0.2 % Show Material materials with Titan of 0.2 %

Technological properties

Property
Processing methods	sand casting, separately cast test sample