Zinkberatung e. V. 1981 Grade G-ZnAl8Cu1 cast condition

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Description

The material ZnAl8Cu1, a fine zinc block metal alloy acc. to ASTMB 669, german marking ZA 8, is the best alloy for casting with continuous form. It has the smallest strength, but best surface treatment characteristics opposite the marks ZnAl12Cu1 and ZnAl27Cu2. The alloy is outstanding pressure-tight, even in thin cross sections, excellently machinably and on high polish sharpening and polishingable. The alloy is used mainly for sand and ingot casting, in addition, for die casting on cold chamber machines. The alloy ZA 8 exhibits a clearly improved creep rupture behaviour in relation to the alloy Z 430 (G-ZnAl4Cu3).

Related Standards

Equivalent Materials

DIN ZP8(ZP0810)

Diese Materialdaten wurden von WIAM zur Verfügung gestellt

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Eigenschaften

Allgemein

Property	Temperature	Value
Dichte	20.0 °C	6.3 g/cm³ Show Material materials with Dichte of 6.3 g/cm³

Mechanisch

Property	Temperature	Value	Comment
Dehnung A50	20.0 °C	1 - 2 % Show Material materials with Dehnung A50 of 1 - 2 %
Elastizitätsmodul	20.0 °C	85 GPa Show Material materials with Elastizitätsmodul of 85 GPa
Härte, Brinell	20.0 °C	85 - 90 [-] Show Material materials with Härte, Brinell of 85 - 90 [-]
Poissonzahl	23.0 °C	0.3 [-] Show Material materials with Poissonzahl of 0.3 [-]	Typical for Zinc Aluminium
Streckgrenze Rp 0,2	20.0 °C	190 - 200 MPa Show Material materials with Streckgrenze Rp 0,2 of 190 - 200 MPa
Zugfestigkeit	20.0 °C	220 - 275 MPa Show Material materials with Zugfestigkeit of 220 - 275 MPa

Thermisch

Property	Temperature	Value	Comment
Koeffizient der thermischen Ausdehnung	23.0 °C	2.2E-5 - 2.8E-5 1/K Show Material materials with Koeffizient der thermischen Ausdehnung of 2.2E-5 - 2.8E-5 1/K	Typical for Zinc Aluminium
Schmelzpunkt		375 - 485 °C Show Material materials with Schmelzpunkt of 375 - 485 °C	Typical for Zinc Aluminium
Spezifische Wärmekapazität	23.0 °C	393 - 525 J/(kg·K) Show Material materials with Spezifische Wärmekapazität of 393 - 525 J/(kg·K)	Typical for Zinc Aluminium
Wärmeleitfähigkeit	23.0 °C	105 - 125 W/(m·K) Show Material materials with Wärmeleitfähigkeit of 105 - 125 W/(m·K)	Typical for Zinc Aluminium

Chemical properties

Property	Value
Aluminium	8 - 8.8 % Show Material materials with Aluminium of 8 - 8.8 %
Blei	4E-3 % Show Material materials with Blei of 4E-3 %
Cadmium	3E-3 % Show Material materials with Cadmium of 3E-3 %
Eisen	0.1 % Show Material materials with Eisen of 0.1 %
Kupfer	0.8 - 1.3 % Show Material materials with Kupfer of 0.8 - 1.3 %
Magnesium	0.02 - 0.03 % Show Material materials with Magnesium of 0.02 - 0.03 %
Zink	89.76 % Show Material materials with Zink of 89.76 %
Zinn	2E-3 % Show Material materials with Zinn of 2E-3 %

Technological properties

Property
Processing methods	permanent mould casting