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Formula: Pt90/Ir10
Form: Disk
Material: Platinum/Iridium Alloy
Commodity: Precious Metals
Temper:
As Rolled
Platinum/Iridium Alloy disks (Pt90/Ir10) are available in 271 variations. They exhibit excellent corrosion resistance, high-temperature strength and biocompatibility. These properties make them ideal for use in high-temperature industrial applications like thermocouples and crucibles. Their biocompatibility also allows them to be used in medical implants like pacemaker electrodes and stents. With our wide selection to choose from, our Platinum/Iridium Alloy disks can meet the needs of diverse applications in science and industry.
Tolerances
Disk
| Thickness | >0.05mm | ±10% |
|---|---|---|
| Thickness | <0.01mm | ±25% |
| Thickness | 0.01mm - 0.05mm | ±15% |
Material Properties for Precious Metals
Mechanical Properties
| Element | Value |
|---|---|
| Hardness - Brinell | 130-190 |
| Elongation at break( % ) | <25 |
| Tensile strength( MPa ) | 380-620 |
Electrical Properties
| Element | Value |
|---|---|
| Electrical resistivity( µOhmcm ) | 25 |
| Temperature coefficient( K⁻¹ ) | 0.0013 |
Thermal Properties
| Element | Value |
|---|---|
| Melting point( C ) | 1800 |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 31@23 |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 31@23C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 8.7@20-100°C |
Physical Properties
| Element | Value |
|---|---|
| Density( gcm⁻³ ) | 21.56 |