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 | | | | | | 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.) |
