| Customization: | Available |
|---|---|
| Application: | Aviation, Electronics, Industrial, Medical, Chemical |
| Standard: | JIS, GB, DIN, BS, ASTM, AISI |
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| Grade | TW-1 | TW-2 | W-4 | |
| Impurity content % less than |
Pb | 0.0001 | 0.0005 | 0.0005 |
| Bi | 0.0001 | 0.0005 | 0.0005 | |
| Sn | 0.0003 | 0.0005 | 0.0005 | |
| Sb | 0.001 | 0.001 | 0.001 | |
| As | 0.0015 | 0.002 | 0.002 | |
| Fe | 0.003 | 0.004 | 0.003 | |
| Ni | 0.002 | 0.002 | 0.05 | |
| Al | 0.002 | 0.002 | 0.005 | |
| Si | 0.002 | 0.002 | 0.005 | |
| Ca | 0.002 | 0.002 | 0.005 | |
| Mg | 0.001 | 0.001 | 0.005 | |
| Mo | 0.004 | 0.004 | 0.05 | |
| P | 0.001 | 0.001 | 0.003 | |
| C | 0.003 | 0.005 | 0.01 | |
| O | 0.002 | 0.002 | 0.007 | |
| N | 0.002 | 0.002 | 0.005 | |