Tungsten Powder
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 |
¡Ý99.95 |
¡Ý99.9 |
|
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 |
