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Composition: Pt
Form: Tube
Material: Platinum
CAS Number: 7440-06-4
Commodity: Precious Metals
Purity:
99.95%
Temper:
As Drawn
Platinum Tube offers excellent corrosion resistance, high melting point, and biocompatibility in a hollow cylindrical form, enabling both structural and fluid-transport applications under extreme conditions. Its geometry makes it suitable for use as reaction vessels, protective sheaths, and conduits in high-temperature or corrosive environments. Industries such as chemical processing, medical technology, and energy use platinum tubes for thermocouple protection, catalyst containment, and precision dosing of reactive fluids. Specific applications include tubing in high-purity chemical synthesis systems, medical implant components, and gas sampling lines in analytical instruments. In research, platinum tubes serve in studies of high-temperature corrosion, catalytic processes, and advanced reactor design. Their combination of structural integrity, inertness, and precision makes them indispensable in specialized scientific and industrial systems.
Tolerances
Tube
| Outside Diameter | =<2mm | ±0.05mm |
|---|---|---|
| Outside Diameter | 2mm - 5mm | ±0.1mm |
| Outside Diameter | >5mm | ±5% |
| Wall Thickness | ±10% |
Material Properties for Precious Metals
Atomic Properties
| Element | Value |
|---|---|
| Atomic number | 78 |
| Crystal structure | Face centred cubic |
| Electronic structure | Xe 4f¹⁴ 5d⁹ 6s¹ |
| Valences shown | 1,2,3,4 |
| Atomic weight( amu ) | 195.08 |
| Thermal neutron absorption cross-section( Barns ) | 9 |
| Photo-electric work function( eV ) | 5.3 |
| Natural isotope distribution( Mass No./% ) | 192/ 0.79 |
| Natural isotope distribution( Mass No./% ) | 196/ 25.30 |
| Natural isotope distribution( Mass No./% ) | 190/ 0.01 |
| Natural isotope distribution( Mass No./% ) | 195/ 33.80 |
| Natural isotope distribution( Mass No./% ) | 198/ 7.20 |
| Natural isotope distribution( Mass No./% ) | 194/ 32.90 |
| Atomic radius - Goldschmidt( nm ) | 0.138 |
| Ionisation potential( No./eV ) | 1/ 9.0 |
| Ionisation potential( No./eV ) | 2/ 18.6 |
Mechanical Properties
| Element | Value |
|---|---|
| Material condition | Hard |
| Material condition | Soft |
| Poisson's ratio | 0.39 |
| Poisson's ratio | 0.39 |
| Bulk modulus( GPa ) | 276 |
| Bulk modulus( GPa ) | 276 |
| Tensile modulus( GPa ) | 170 |
| Tensile modulus( GPa ) | 170 |
| Hardness - Vickers( kgf mm⁻² ) | 40 |
| Hardness - Vickers( kgf mm⁻² ) | 100 |
| Tensile strength( MPa ) | 200-300 |
| Tensile strength( MPa ) | 125-150 |
| Yield strength( MPa ) | 14-35 |
| Yield strength( MPa ) | 185 |
Electrical Properties
| Element | Value |
|---|---|
| Electrical resistivity( µOhmcm ) | 10.58@20@20°C |
| Temperature coefficient( K⁻¹ ) | 0.00392@0-100°C |
Physical Properties
| Element | Value |
|---|---|
| Boiling point( C ) | 3827 |
| Density( gcm⁻³ ) | 21.45@20°C |
Thermal Properties
| Element | Value |
|---|---|
| Melting point( C ) | 1772 |
| Latent heat of evaporation( J g⁻¹ ) | 2405 |
| Latent heat of fusion( J g⁻¹ ) | 101 |
| Specific heat( J K⁻¹ kg⁻¹ ) | 133@025°C |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 71.6@0-100°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 9@0-100 |
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