 Division Watches and Jewelry |
Data sheet for alloy | |||
| Pt 950/210 | ||||
| Colour | white | Code | 210 | |
| General description | 950 o/oo Platinum alloy. It can be cupped, stamped, rolled, polished, drawn. Recommended for machining hard metal. Suitable for casting. |
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| Physical properties | Specific gravity [g/cm3] | 20.2 | Melting range [°C] | 1725-1740 |
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| Mechanical properties | Annealed | 20% cold worked | 75% cold worked | ||
|---|---|---|---|---|---|
| Vickers hardness | [HV1] | 120 | 170 | 220 | |
| Yield hardness | Rm | [Mpa] | 400 | 530 | 700 |
| Elastic limit | Rp0.2 | [MPa] | 160 | 450 | 650 |
| Plastic elongation | A | [%] | 30 | 2 | 1 |
| Processing guidelines | |
|---|---|
| ANNEALING | 800 °C for 20 à 30 minutes under neutral atmosphere (nitrogen, argon). Cooling method not critical. |
| COLD WORKING | The amount of coldwork completed before annealing should be between 30% and 75% reduction in area. |
| SOLDERING | By torch or furnace. The Platinum solders N° 286 (1430-1450 °C) - 2182 (1345-1375 °C) - 283 (1250-1300 °C) and 281 (1050-1115 °C) are strongly recommended. For alternatives please see list of solders. |
| PICKLING | with DESOXYD (following operating instructions) or with hot 10% sulphuric acid. |
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| 18.03.2005 | METALOR Technologies SA - Av. du Vignoble - CH-2009 Neuchâtel Phone: +41(0)32 720 61 11 - http://www.metalor.com/watch |
10.12.1999 |