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Johnson Matthey HC Platinum w/ 5% Cobalt Jewelry Alloy
| Category | Metal , Nonferrous Metal , Precious Metal , Platinum Alloy |
| Manufacturer | Johnson Matthey |
| Trade Name | |
| Port | Ningbo port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | Johnson Matthey HC Platinum w/ 5% Cobalt Jewelry Alloy.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
Fluid for hard castings. Cobalt has been used to create casting alloys at various levels of fineness. Cobalt suppresses oxygen level in the melt, improves fluidity and castability and gives a good final hardness without reducing the melting range significantly.
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 20.8 g/cc | 0.751 lb/in³ |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Vickers | 135 | 135 | Annealed |
| Elongation at Break | 20 % | 20 % | Annealed |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| Melting Point | 1750 - 1765 °C | 3180 - 3209 °F | |
| Solidus | 1750 °C | 3180 °F | |
| Liquidus | 1765 °C | 3209 °F |
| Component Elements Properties | Metric | English | Comments |
|---|---|---|---|
| Cobalt, Co | 5.0 % | 5.0 % | |
| Platinum, Pt | 95 % | 95 % |
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