Overview of materials for Platinum Alloy

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Overview of materials for Platinum Alloy
Categories:	Metal; Nonferrous Metal; Precious Metal; Platinum Alloy
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "Platinum Alloy". Each property range of values reported is minimum and maximum values of appropriate MatWeb entries. The comments report the average value, and number of data points used to calculate the average. The values are not necessarily typical of any specific grade, especially less common values and those that can be most affected by additives or processing methods.
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Physical Properties	Metric	English	Comments

Density	15.5 - 21.8 g/cc	0.560 - 0.787 lb/in³	Average value: 20.3 g/cc Grade Count:105

Chemical Properties	Metric	English	Comments
Thermal Neutron Cross Section	9.00 barns/atom	9.00 barns/atom	Average value: 9.00 barns/atom Grade Count:3
Electrode Potential	1.20 V	1.20 V	Average value: 1.20 V Grade Count:3

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	60.0 - 360	60.0 - 360	Average value: 180 Grade Count:48
Hardness, Knoop	103 - 431	103 - 431	Average value: 222 Grade Count:44
Hardness, Rockwell A	42.0 - 70.0	42.0 - 70.0	Average value: 55.5 Grade Count:35
Hardness, Rockwell B	45.0 - 100	45.0 - 100	Average value: 77.5 Grade Count:33
Hardness, Rockwell C	20.0 - 40.0	20.0 - 40.0	Average value: 27.4 Grade Count:15
Hardness, Rockwell 15T	60.0 - 97.0	60.0 - 97.0	Average value: 87.8 Grade Count:16
Hardness, Vickers	40.0 - 378	40.0 - 378	Average value: 167 Grade Count:69
Tensile Strength, Ultimate	125 - 2070 MPa	18100 - 300000 psi	Average value: 741 MPa Grade Count:81
Tensile Strength, Yield	190 - 1520 MPa	27600 - 220000 psi	Average value: 651 MPa Grade Count:8
Elongation at Break	0.500 - 35.0 %	0.500 - 35.0 %	Average value: 15.8 % Grade Count:63
Modulus of Elasticity	102 - 205 GPa	14800 - 29700 ksi	Average value: 142 GPa Grade Count:12
Poissons Ratio	0.390	0.390	Average value: 0.390 Grade Count:3
Shear Modulus	56.0 - 62.0 GPa	8120 - 8990 ksi	Average value: 60.0 GPa Grade Count:3

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000106 - 0.0000665 ohm-cm	0.0000106 - 0.0000665 ohm-cm	Average value: 0.0000295 ohm-cm Grade Count:81
Magnetic Susceptibility	0.00000110	0.00000110	Average value: 0.00000110 Grade Count:3

Thermal Properties	Metric	English	Comments
CTE, linear	8.70 - 21.0 µm/m-°C	4.83 - 11.7 µin/in-°F	Average value: 12.6 µm/m-°C Grade Count:13
Specific Heat Capacity	0.134 J/g-°C	0.0320 BTU/lb-°F	Average value: 0.134 J/g-°C Grade Count:3
Thermal Conductivity	18.0 - 69.1 W/m-K	125 - 480 BTU-in/hr-ft²-°F	Average value: 40.6 W/m-K Grade Count:12
Melting Point	1040 - 2230 °C	1900 - 4040 °F	Average value: 1750 °C Grade Count:58
Solidus	1040 - 1920 °C	1900 - 3490 °F	Average value: 1660 °C Grade Count:29
Liquidus	1110 - 1930 °C	2030 - 3510 °F	Average value: 1690 °C Grade Count:28
Boiling Point	3830 °C	6920 °F	Average value: 3830 °C Grade Count:3
Maximum Service Temperature, Air	350 - 1770 °C	662 - 3210 °F	Average value: 1430 °C Grade Count:6
Minimum Service Temperature, Air	50.0 - 1100 °C	122 - 2010 °F	Average value: 750 °C Grade Count:3

Optical Properties	Metric	English	Comments
Emissivity (0-1)	0.300	0.300	Average value: 0.300 Grade Count:3
Reflection Coefficient, Visible (0-1)	0.700	0.700	Average value: 0.700 Grade Count:3

Processing Properties	Metric	English	Comments
Processing Temperature	799 - 1000 °C	1470 - 1830 °F	Average value: 863 °C Grade Count:7
Casting Temperature	1260 - 2200 °C	2300 - 3990 °F	Average value: 1630 °C Grade Count:9

Component Elements Properties	Metric	English	Comments
Cobalt, Co	5.00 - 23.3 %	5.00 - 23.3 %	Average value: 11.1 % Grade Count:3
Copper, Cu	0.400 - 5.00 %	0.400 - 5.00 %	Average value: 3.10 % Grade Count:4
Gold, Au	5.00 - 85.5 %	5.00 - 85.5 %	Average value: 68.6 % Grade Count:6
Indium, In	0.300 - 4.00 %	0.300 - 4.00 %	Average value: 1.77 % Grade Count:3
Iridium, Ir	0.100 - 35.0 %	0.100 - 35.0 %	Average value: 16.0 % Grade Count:26
Iron, Fe	0.200 %	0.200 %	Average value: 0.200 % Grade Count:3
Nickel, Ni	5.00 - 20.0 %	5.00 - 20.0 %	Average value: 10.0 % Grade Count:8
Palladium, Pd	4.50 - 40.0 %	4.50 - 40.0 %	Average value: 15.5 % Grade Count:9
Platinum, Pt	8.30 - 100 %	8.30 - 100 %	Average value: 84.3 % Grade Count:107
Rhodium, Rh	0.500 - 40.0 %	0.500 - 40.0 %	Average value: 15.6 % Grade Count:22
Ruthenium, Ru	5.00 - 14.0 %	5.00 - 14.0 %	Average value: 7.70 % Grade Count:17
Tungsten, W	0.500 - 8.00 %	0.500 - 8.00 %	Average value: 5.13 % Grade Count:12
Zinc, Zn	1.50 - 1.80 %	1.50 - 1.80 %	Average value: 1.70 % Grade Count:3

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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