to Platinum alloys
to Properties of platinum alloys
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| Platinum | ||||
| Chemical composition: Pt | ||||
| Property | Value in metric unit | Value in US unit | ||
| Density | 21.45 *10³ | kg/m³ | 1339 | lb/ft³ |
|---|---|---|---|---|
| Modulus of elasticity | 171 | GPa | 24800 | ksi |
| Thermal expansion (20 ºC) | 9.1*10-6 | ºCˉ¹ | 5.1*10-6 | in/(in* ºF) |
| Specific heat capacity | 126 | J/(kg*K) | 0.03 | BTU/(lb*ºF) |
| Thermal conductivity | 75 | W/(m*K) | 520 | BTU*in/(hr*ft²*ºF) |
| Heat of fusion | 1.136*105 | J/kg | 48.8 | BTU/lb |
| Electrical resistivity | 9.85*10-8 | Ohm*m | 9.85*10-6 | Ohm*cm |
| Tensile strength (annealed) | 137 | MPa | 19870 | psi |
| Elongation (annealed) | 37 | % | 37 | % |
| Hardness (annealed) | 40 | HV | 40 | HV |
| Melting point | 1768 | ºC | 3214 | ºF |