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Wieland Porta AB 76 Casting Alloy

Category	Metal , Nonferrous Metal , Precious Metal , Gold Alloy , Platinum Alloy
Manufacturer	Wieland
Trade Name	Porta
Port	Shanghai port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Wieland Porta AB 76 Casting Alloy.pdf
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Material Notes:

Gold-platinum ceramic alloyApplications: inlays/onlays, crowns, short span bridges, telescopic and milling works, ceramic veneering, acrylic veneeringDental

Physical Properties	Metric	English	Comments
Density	18.5 g/cc	0.668 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Vickers	160	160	HV5/30; after porcelain firing
	190	190	HV5/30; hardened
Tensile Strength, Yield	400.00 MPa @Strain 0.200 %	58015 psi @Strain 0.200 %	after porcelain firing
	510.00 MPa @Strain 0.200 %	73969 psi @Strain 0.200 %	hardened
Elongation at Break	5.0 %	5.0 %	hardened
	10 %	10 %	after porcelain firing
Modulus of Elasticity	102 GPa	14800 ksi

Thermal Properties	Metric	English	Comments
CTE, linear	14.3 µm/m-°C @Temperature 25.0 - 500 °C	7.94 µin/in-°F @Temperature 77.0 - 932 °F

Component Elements Properties	Metric	English	Comments
Copper, Cu	0.40 %	0.40 %
Gold, Au	84.5 %	84.5 %
Indium, In	1.0 %	1.0 %
Iridium, Ir	0.10 %	0.10 %
Iron, Fe	0.20 %	0.20 %
Palladium, Pd	4.5 %	4.5 %
Platinum, Pt	8.3 %	8.3 %
Silver, Ag	0.50 %	0.50 %
Tin, Sn	0.50 %	0.50 %

Processing Properties	Metric	English	Comments
Processing Temperature	799 °C	1470 °F	Preheating Temp.
Melt Temperature	1060 - 1180 °C	1940 - 2160 °F
Casting Temperature	1330 °C	2430 °F

Descriptive Properties	Value	Comments
Color	pale yellow

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