- Multilayer PCB[4]
- Rigid PCB[1]
- FPC[2]
- Other Metals & Metal Products[4]
- Tungsten Powder[1]
- Nickel[1]
- Other Iron[1]
- Chemical Auxiliary Agent[1]
- Organic Intermediate[4]
- Lubricant[1]
- Other Petrochemical Related Products[3]
- Stainless Steel Sheets[1]
- Steel Strips[1]
- Steel Sheets[1]
- Steel Round Bars[2]
- Steel Pipes[1]
- Stainless Steel Flats[1]
- Titanium Sheets[2]
- Lead[1]
- Titanium Wire[1]
- Other Titanium[1]
- Titanium Bars[1]
- Moulds[1]
- Rubber Hoses[1]
- Plastic Rods[1]
- Plastic Tubes[1]
- Explosive[1]
- Nitrate[3]
- Elementary Substances[1]
- Other Chemicals[1]
- Inorganic Acids[1]
- Paper & Paperboard[1]
- Contact Person : Mr. Liu Tonghai
- Company Name : Beijing Precision Import And Export Co., Ltd.
- Tel : 86-10-67863771
- Fax : 86-10-67885206
- Address : Beijing,Beijing,Room 323, No.20 Building, 2 Zone, Tianhuayuan Erli, Beijing Economic & Technology Development Zone
- Country/Region : China
- Zip : 100176
Tungsten powder
1.Appearance: Tungsten powder is dark grey2.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 | |
Tungsten powder