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| 钨粉 Tungsten Powder |
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| ■ 外观：钨粉呈深灰色，喷涂用钨粉呈亮灰色 |
| ■ 用途：大型板坯、钨铼热电偶原料、触头合金等。 |
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| 氧含量 |
| 牌号 |
氧含量（%） |
| FW-1 |
≤0.20 |
| FW-2 |
≤0.25 |
| FWP-1 |
≤0.20 |
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化学成分
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| 产品牌号 |
FW-1 |
FW-2 |
FWP-1 |
| 主要成份W，不低于Main Comp W Min.(%) |
99.95 |
99.9 |
99.9 |
| 化学元素含量，不大于(%) |
Pb |
0.001 |
0.001 |
0.001 |
| Bi |
0.0001 |
0.001 |
0.001 |
| Sn |
0.0001 |
0.001 |
0.001 |
| Sb |
0.001 |
0.001 |
0.001 |
| As |
0.002 |
0.002 |
0.002 |
| Fe |
0.005 |
0.020 |
0.03 |
| Ni |
0.003 |
0.005 |
0.005 |
| Cu |
0.001 |
0.005 |
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| Al |
0.001 |
0.003 |
0.005 |
| Si |
0.003 |
0.08 |
0.010 |
| Ca |
0.002 |
0.005 |
0.005 |
| Mg |
0.002 |
0.005 |
0.005 |
| Mo |
0.008 |
0.02 |
0.02 |
| P |
0.001 |
0.005 |
0.005 |
| C |
0.005 |
0.008 |
0.01 |
| K |
0.002 |
0.005 |
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| Na |
0.002 |
0.005 |
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