 Division Watches and Jewelry |
Data sheet for alloy | |||
| Ag 999.9/81 | ||||
| Colour | 銀 | Code | 81 | |
| General description | 純銀 |
|---|
| Physical properties | Specific gravity [g/cm3] | 10.5 | Melting range [°C] | 962 |
|---|
| Mechanical properties | Annealed | 20% cold worked | 90% 冷加工過 | ||
|---|---|---|---|---|---|
| Vickers hardness | [HV1] | 45 | 80 | 100 | |
| Yield hardness | Rm | [Mpa] | 180 | 220 | 300 |
| Elastic limit | Rp0.2 | [MPa] | 70 | 190 | 260 |
| Plastic elongation | A | [%] | 45 | 4 | 2 |
| Processing guidelines | |
|---|---|
| ANNEALING | 300 °C加熱二十到三十分鐘，然後進行水淬。爲防止氧化，請在還原氣氛下操作。 |
| COLD WORKING | 在熱處理之前的已完成冷加工的數量應該在30%到90%的面積收縮率之間。 |
| SOLDERING | - |
| PICKLING | - |
| - | - |
| - | - |
| 11.05.2005 | METALOR Technologies SA - Av. du Vignoble - CH-2009 Neuchâtel Phone: +41(0)32 720 61 11 - http://www.metalor.com/watch |
04.04.2003 |