DIN 17730 Grade G-Ni90Si cast condition

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Description

G-Ni90Si is brittler than the material G-Ni95 (2.4170) and possesses increased resistance to wear. The tendency to galling at insufficiently lubricated bearing spots is low. The material possesses good corrosion-resistance to non-oxidizing mediums. It shows very good resistance to hot and concentrated caustic alkalies as well as to dry gases, e.g. chlorine. The material is applied in the chemical industry and in the food industry, for valves and fittings, in the apparatus engineering, for pumps, shut-off devices and the like. Processing properties: Weldability: not weldable.

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 g/cm³ Show Material materials with Dichte of 8 g/cm³

Mechanisch

Property	Temperature	Value	Comment
Dehnung	20.0 °C	3 % Show Material materials with Dehnung of 3 %
Elastizitätsmodul	23.0 °C	190 - 220 GPa Show Material materials with Elastizitätsmodul of 190 - 220 GPa	Typical for Pure/Low Nickel Alloy
Härte, Brinell	20.0 °C	180 [-] Show Material materials with Härte, Brinell of 180 [-]
Streckgrenze Rp 0,2	20.0 °C	350 MPa Show Material materials with Streckgrenze Rp 0,2 of 350 MPa
Zugfestigkeit	20.0 °C	500 MPa Show Material materials with Zugfestigkeit of 500 MPa

Thermisch

Property	Temperature	Value	Comment
Koeffizient der thermischen Ausdehnung	23.0 °C	8.5E-6 - 1.4E-5 1/K Show Material materials with Koeffizient der thermischen Ausdehnung of 8.5E-6 - 1.4E-5 1/K	Typical for Pure/Low Nickel Alloy
Schmelzpunkt		1400 - 1500 °C Show Material materials with Schmelzpunkt of 1400 - 1500 °C	Typical for Pure/Low Nickel Alloy
Spezifische Wärmekapazität	23.0 °C	430 - 532 J/(kg·K) Show Material materials with Spezifische Wärmekapazität of 430 - 532 J/(kg·K)	Typical for Pure/Low Nickel Alloy
Wärmeleitfähigkeit	23.0 °C	18 - 86 W/(m·K) Show Material materials with Wärmeleitfähigkeit of 18 - 86 W/(m·K)	Typical for Pure/Low Nickel Alloy

Chemical properties

Property	Value
Eisen	1 % Show Material materials with Eisen of 1 %
Kohlenstoff	1 % Show Material materials with Kohlenstoff of 1 %
Kupfer	1.2 % Show Material materials with Kupfer of 1.2 %
Mangan	1.5 % Show Material materials with Mangan of 1.5 %
Nickel	90 % Show Material materials with Nickel of 90 %
Silizium	5.5 - 6.5 % Show Material materials with Silizium of 5.5 - 6.5 %

Technological properties

Property
Processing methods	sand casting, separately cast test sample