Product Description
1.Appearance: Tungsten powder is dark grey
2.Packing: In iron drum lined with double plastic bags of 100/200kgs net each.
3. Use: These products are widely applied to making refractory steel,compound materials for automobile founding, guns, artillery, rokets,satelliter,aeroplane, warship and armour-piecing bullet.
4.Specification: GB/T3458-1982,
Chemical Composition (%)
Grade | FW-1 | FW-2 |
Impurities (%)max. | W | ≥99.95 | ≥99.9 |
Fe | 0.0050 | 0.0300 |
Si | 0.0020 | 0.0050 |
Ca | 0.0020 | 0.0040 |
Al | 0.0010 | 0.0040 |
Mn | 0.0010 | 0.0020 |
Mg | 0.0010 | 0.0040 |
Ni | 0.0030 | 0.0040 |
Sb | 0.0010 | 0.0010 |
Cr | 0.0010 | 0.0040 |
As | 0.0010 | 0.0020 |
Pb | 0.0001 | 0.0005 |
Bi | 0.0001 | 0.0005 |
Sn | 0.0003 | 0.0005 |
Cu | 0.0007 | 0.0010 |
Mo | 0.0050 | 0.0100 |
K | 0.0015 | 0.0015 |
Na | 0.0015 | 0.0015 |
S | 0.0010 | 0.0020 |
P | 0.0010 | 0.0040 |
C | 0.0050 | 0.0100 |