Wieland Porta Maximum PFM Alloy

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Wieland Porta Maximum PFM Alloy
Categories:	Metal; Nonferrous Metal; Precious Metal; Gold Alloy
Material Notes:	All-purpose alloy for low-fusing high expanding ceramics Applications: inlays/onlays, crowns, short span bridges, long span bridges, telescopic and milling works, removable partials, ceramic veneering, acrylic veneering Dental
Key Words:	EN ISO 1562 or 8891/9693
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Physical Properties	Metric	English	Comments

Density	16.0 g/cc	0.578 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Vickers	190	190	HV5/30; after porcelain firing
	210	210	HV5/30; hardened
Tensile Strength, Yield	409.9 MPa @Strain 0.2 %	59450 psi @Strain 0.2 %	after porcelain firing
	460 MPa @Strain 0.2 %	66700 psi @Strain 0.2 %	hardened
Elongation at Break	7.0 %	7.0 %	hardened
	8.0 %	8.0 %	after porcelain firing
Modulus of Elasticity	98.0 GPa	14200 ksi

Thermal Properties	Metric	English	Comments
CTE, linear	16.2 µm/m-°C @Temperature 25.0 - 500 °C	9.00 µin/in-°F @Temperature 77.0 - 932 °F
Melting Point	910 - 1060 °C	1670 - 1940 °F
Solidus	910 °C	1670 °F
Liquidus	1060 °C	1940 °F

Processing Properties	Metric	English	Comments
Processing Temperature	699 °C	1290 °F	Preheating Temp.
Casting Temperature	1200 °C	2190 °F

Component Elements Properties	Metric	English	Comments
Gold, Au	70 %	70 %
Indium, In	5.0 %	5.0 %
Palladium, Pd	2.5 %	2.5 %
Platinum, Pt	10 %	10 %
Rhodium, Rh	0.50 %	0.50 %
Silver, Ag	10 %	10 %
Zinc, Zn	2.0 %	2.0 %

Descriptive Properties
Color	yellow

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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NWIELAN06 / 19808

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