Platinum, Pt, CP Grade, Annealed
Subcategory: Metal; Nonferrous Metal; Precious Metal; Pure Element
Component | Wt. % | | | Pt | 99.95 | |
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Material Notes: CP Grade (Commercially Pure) is 99.95% pure.
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Physical Properties | Metric | English | Comments |
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Density | 21.45 g/cc | 0.775 lb/in³ | |
Mechanical Properties |
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Hardness, Vickers | 40 | 40 | |
Tensile Strength, Ultimate | 125 - 165 MPa | 18100 - 23900 psi | |
Elongation at Break | 35 % | 35 % | in 50 mm |
Modulus of Elasticity | 171 GPa | 24800 ksi | static in tension |
Poisson's Ratio | 0.39 | 0.39 | |
Shear Modulus | 62 GPa | 8990 ksi | Calculated value |
Electrical Properties |
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Electrical Resistivity | 1.06e-005 ohm-cm | 1.06e-005 ohm-cm | Temperature Coefficient of resistivity is 0.0039/K. |
Magnetic Susceptibility | 1.1e-006 | 1.1e-006 | cgs/g |
Thermal Properties |
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Heat of Fusion | 113 J/g | 48.6 BTU/lb | |
CTE, linear 20°C | 9.1 µm/m-°C | 5.06 µin/in-°F | |
Specific Heat Capacity | 0.134 J/g-°C | 0.032 BTU/lb-°F | |
Thermal Conductivity | 69.1 W/m-K | 480 BTU-in/hr-ft²-°F | |
Melting Point | 1769 °C | 3220 °F | |
Optical Properties |
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Emissivity (0-1) | 0.152 | 0.152 | at 1000°C for total hemispherical |
Emissivity (0-1) | 0.3 | 0.3 | 650 nm |
Reflection Coefficient, Visible (0-1) | 0.7 | 0.7 | bulk Pt; 589 nm |
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