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Recently Viewed Materials
Goodfellow Platinum 90/Iridium 10 Alloy
Categories:
Metal
;
Nonferrous Metal
;
Precious Metal
;
Platinum Alloy
Material Notes:
The alloy has been used in "non-standard" thermocouples, electrical contacts and for electrodes in medical research. The alloy is harder and mechanically stronger than Platinum.
Information provided by Goodfellow.
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Physical Properties
Metric
English
Comments
Density
21.56
g/cc
0.7789
lb/in³
Mechanical Properties
Metric
English
Comments
Hardness, Brinell
130 - 190
130 - 190
Tensile Strength at Break
380
-
620
MPa
55100
-
89900
psi
Elongation at Break
<= 25 %
<= 25 %
Electrical Properties
Metric
English
Comments
Electrical Resistivity
0.0000250
ohm-cm
0.0000250
ohm-cm
Temperature Coefficient of 0.0013/K
Thermal Properties
Metric
English
Comments
CTE, linear
8.70
µm/m-°C
@Temperature 20.0 - 100 °C
4.83
µin/in-°F
@Temperature 68.0 - 212 °F
Thermal Conductivity
31.0
W/m-K
215
BTU-in/hr-ft²-°F
Melting Point
1800
°C
3270
°F
Component Elements Properties
Metric
English
Comments
Iridium, Ir
10 %
10 %
Platinum, Pt
90 %
90 %
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
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