|
|
|
◆ Type & Applicatioon：
Type |
Properties & Application |
WB001 |
Good winding property,non-sag,applied for making incandescent lamp,coiled-coil or trispiral CFL filament,feast lamp and support. |
WB150 |
Good processability,applied for halogen lamp and coiled-coil incandescent lamp. |
WB584 |
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级 |
Ⅰ级 |
Ⅱ级 |
Ⅰ级 |
Ⅱ级 |
10<d≤18 |
0.30-0.98 |
- |
±3.0 |
±4.0 |
|
|
18<d≤40 |
0.98-4.85 |
±2.0 |
±2.5 |
±3.0 |
|
|
40<d≤80 |
4.85-19.39 |
±1.5 |
±2.0 |
±2.5 |
|
|
80<d≤300 |
19.39-272.71 |
±1.0 |
±1.5 |
±2.0 |
|
|
300<d≤350 |
272.71-371.19 |
- |
±1.0 |
±1.5 |
|
|
350<d≤500 |
|
- |
- |
- |
±1.5 |
±2.0 |
500<d≤180 |
|
- |
- |
- |
±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.)
|
|
|
