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Johnson Matthey GW Platinum w/ 5% Copper Jewelry Alloy
| Category | Metal , Nonferrous Metal , Precious Metal , Platinum Alloy |
| Manufacturer | Johnson Matthey |
| Trade Name | |
| Port | Shanghai port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | Johnson Matthey GW Platinum w/ 5% Copper Jewelry Alloy.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
General purpose, medium hard. Can be cast. Copper, cobalt, gold, iridium, palladium and ruthenium alloy easily with platinum. The differences between the alloys reflect the hardening of the alloying element itself.
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 20.0 g/cc | 0.723 lb/in³ |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Vickers | 108 | 108 | As Cast |
| 125 | 125 | Annealed | |
| Elongation at Break | 29 % | 29 % | Annealed |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| Melting Point | 1725 - 1745 °C | 3137 - 3173 °F | |
| Solidus | 1725 °C | 3137 °F | |
| Liquidus | 1745 °C | 3173 °F |
| Component Elements Properties | Metric | English | Comments |
|---|---|---|---|
| Copper, Cu | 5.0 % | 5.0 % | |
| Platinum, Pt | 95 % | 95 % |
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