| Platinum, Pt, CP Grade, Annealed | |
|---|---|
| Categories: | MetalNonferrous MetalPrecious MetalPlatinum AlloyPure Element |
| Material Notes: | CP Grade (Commercially Pure) is 99.95% pure. |
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Export data to your CAD/FEA program| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 21.45 g/cc | 0.7749 lb/in³ | |
| Chemical Properties | Metric | English | Comments |
| Atomic Mass | 195.078 | 195.078 | 1995 |
| Atomic Number | 78 | 78 | |
| Thermal Neutron Cross Section | 9.0 barns/atom | 9.0 barns/atom | |
| X-ray Absorption Edge | 0.15817 Å | 0.15817 Å | K |
| 0.89405 Å | 0.89405 Å | LI | |
| 0.93484 Å | 0.93484 Å | LII | |
| 1.07306 Å | 1.07306 Å | LIII | |
| Electrode Potential | 1.2 V | 1.2 V | |
| Electronegativity | 2.2 | 2.2 | Pauling |
| Ionic Radius | 0.650 Å | 0.650 Å | Crystal Ionic Radius for Valence +4 |
| 0.800 Å | 0.800 Å | Crystal Ionic Radius for Valence +2 | |
| Electrochemical Equivalent | 1.816 g/A/h | 1.816 g/A/h | |
| Mechanical Properties | Metric | English | Comments |
| Hardness, Vickers | 40 | 40 | |
| Tensile Strength, Ultimate | 125 – 165 MPa | 18100 – 23900 psi | |
| Elongation at Break | 35 % | 35 % | in 50 mm |
| Tensile Modulus | 171 GPa | 24800 ksi | static |
| Poissons Ratio | 0.39 | 0.39 | |
| Shear Modulus | 62.0 GPa | 8990 ksi | Calculated value |
| Electrical Properties | Metric | English | Comments |
| Electrical Resistivity | 0.0000106 ohm-cm | 0.0000106 ohm-cm | Temperature Coefficient of resistivity is 0.0039/K. |
| Magnetic Susceptibility | 0.0000011 | 0.0000011 | cgs/g |
| Thermal Properties | Metric | English | Comments |
| Heat of Fusion | 113 J/g | 48.6 BTU/lb | |
| Heat of Vaporization | 2407 J/g | 1035 BTU/lb | |
| CTE, linear | 9.10 µm/m-°C @Temperature 20.0 °C | 5.06 µin/in-°F @Temperature 68.0 °F | |
| Specific Heat Capacity | 0.134 J/g-°C | 0.0320 BTU/lb-°F | |
| Thermal Conductivity | 69.1 W/m-K | 480 BTU-in/hr-ft²-°F | |
| Melting Point | 1769 °C | 3216 °F | |
| Boiling Point | 3825 °C | 6917 °F | |
| Optical Properties | Metric | English | Comments |
| Emissivity (0-1) | 0.30 | 0.30 | 650 nm |
 | 0.152 @Temperature 1000 °C | 0.152 @Temperature 1830 °F | Total Hemispherical |
| Reflection Coefficient, Visible (0-1) | 0.70 | 0.70 | bulk Pt; 589 nm |
| Component Elements Properties | Metric | English | Comments |
| Platinum, Pt | 99.95 % | 99.95 % | |
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