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IMR Singapore

Platinum, Pt, CP Grade, Annealed

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Subcategory: Metal; Nonferrous Metal; Precious Metal; Pure Element

Component   Wt. %
Pt99.95 

Material Notes:
CP Grade (Commercially Pure) is 99.95% pure.

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Physical PropertiesMetricEnglishComments
Density21.45 g/cc0.775 lb/in³ 

Mechanical Properties
Hardness, Vickers4040 
Tensile Strength, Ultimate125 - 165 MPa18100 - 23900 psi 
Elongation at Break35 %35 % in 50 mm
Modulus of Elasticity171 GPa24800 ksi static in tension
Poisson's Ratio0.390.39 
Shear Modulus62 GPa8990 ksi Calculated value

Electrical Properties
Electrical Resistivity1.06e-005 ohm-cm1.06e-005 ohm-cm Temperature Coefficient of resistivity is 0.0039/K.
Magnetic Susceptibility1.1e-0061.1e-006 cgs/g

Thermal Properties
Heat of Fusion113 J/g48.6 BTU/lb 
CTE, linear 20°C9.1 µm/m-°C5.06 µin/in-°F 
Specific Heat Capacity0.134 J/g-°C0.032 BTU/lb-°F 
Thermal Conductivity69.1 W/m-K480 BTU-in/hr-ft²-°F 
Melting Point1769 °C3220 °F 

Optical Properties
Emissivity (0-1)0.1520.152 at 1000°C for total hemispherical
Emissivity (0-1)0.30.3 650 nm
Reflection Coefficient, Visible (0-1)0.70.7 bulk Pt; 589 nm
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References for this datasheet.


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