Wieland Auropal 2 Casting Alloy

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Wieland Auropal 2 Casting Alloy
Categories:	Metal; Nonferrous Metal; Precious Metal; Gold Alloy; Silver Alloy
Material Notes:	Gold-silver casting alloy Applications: inlays/onlays, crowns, short span bridges, long span bridges, telescopic and milling works, removable partials, acrylic veneering Dental
Key Words:	EN ISO 8891
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Physical Properties	Metric	English	Comments

Density	13.8 g/cc	0.499 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Vickers	270	270	HV5/30; as cast
	280	280	HV5/30; hardened
Tensile Strength, Yield	320.00 MPa @Strain 0.2 %	46412 psi @Strain 0.2 %	as cast
	660.00 MPa @Strain 0.2 %	95725 psi @Strain 0.2 %	hardened
Elongation at Break	8.0 %	8.0 %	hardened
	35 %	35 %	as cast
Modulus of Elasticity	104 GPa	15100 ksi

Thermal Properties	Metric	English	Comments
Melting Point	899 - 960 °C	1650 - 1760 °F
Solidus	899 °C	1650 °F
Liquidus	960 °C	1760 °F

Processing Properties	Metric	English	Comments
Processing Temperature	699 °C	1290 °F	Preheating Temp.
Casting Temperature	1110 °C	2030 °F

Component Elements Properties	Metric	English	Comments
Copper, Cu	11.5 %	11.5 %
Gold, Au	55 %	55 %
Iridium, Ir	0.10 %	0.10 %
Palladium, Pd	7.9 %	7.9 %
Silver, Ag	25 %	25 %
Zinc, Zn	0.50 %	0.50 %

Descriptive Properties
Color	yellow

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NWIELAN26 / 19828

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