Wholesale Pure Tungsten Coil
Specifications
tungsten coil1, Diameter: 0.01mm~2.00mm
2, Grade: W1, W2, WAL1, WAL2, WAL3
3, Density: Purity 99.92%, 99.98%
tungsten coil
Type & Applicatioon
Type |
Properties & Application |
GET001 |
Good winding property,non-sag,applied for making incandescent lamp,coiled-coil or trispiral CFL filament,feast lamp and support. |
GET150 |
Good processability,applied for halogen lamp and coiled-coil incandescent lamp. |
GET584 |
High recrystallization temperatures and non-sag,applied for making shock-resistance filament and halgen filament. |
Chemical Composition(%)
W |
K |
Fe |
Mo |
other impurity,each |
≥99.95 |
0.004-0.010 |
≤0.0020 |
≤0.0030 |
≤0.0010 |
Diameter Tolerance
diameter |
weight mg/200mm |
200mm weight tolerance |
diameter tolerance |
|||
0 |
grade I |
grade II |
grade I |
grade II |
||
10 |
0.30-0.98 |
- |
±3.0 |
±4.0 |
||
18 |
0.98-4.85 |
±2.0 |
±2.5 |
±3.0 |
||
40 |
4.85-19.39 |
±1.5 |
±2.0 |
±2.5 |
||
80 |
19.39-272.71 |
±1.0 |
±1.5 |
±2.0 |
||
300 |
272.71-371.19 |
- |
±1.0 |
±1.5 |
||
350 |
- |
- |
- |
±1.5 |
±2.0 |
|
500 |
- |
- |
- |
±1.0 |
±1.5 |
|

Black tungsten wire,cleaned tungsten wire and straightened white tungsten wire can be supplied according to the requirement of customers.
Quality is strictly as perHFQI-26 tungsten wire technical standard.(Hongfei quality inner standard.)
Our products is available in a wide range of forms including nut, screw ,ring ,wire, foil, sheet, rod, strip, plate, tube, alloys according to Standard ASTM AMS ASME MIL DMS JIS GB, etc.
As a DNV certified ISO9001:2000 company, we have strict quality control system and provide professional service to our customers around the world. Our customers are in aerospace industry, chemical equipment industry, medical industry and civilian industry in USA, UK, Germany, Sweden and some other countries.
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