Application: | Aviation, Electronics, Industrial, Medical, Chemical |
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Standard: | JIS, GB, DIN, BS, ASTM, AISI |
Purity: | >99.95% |
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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 |