| Product name | tungsten wire | Purity | 99.95% Min |
| Dia | 0.5-1.2mm | Shape | customized |
| Surface | Smooth Surface | Material | Tungsten W1 |
| Melting point | 3410℃ | Density | 20g/cm3 |
Chemical Composition:
| Designation | Tungsten Content | Impurity Elements Content | |
| Total | Each | ||
| WAL1、WAL2 | ≥99.95% | ≤0.05% | ≤0.01% |
| W1 | ≥99.95% | ≤0.05% | ≤0.01% |
| W2 | ≥99.92% | ≤0.08% | ≤0.01% |
| Note: Potassium is not counted in impurities content. | |||
Diameter tolerance(%):
| Diameter (μm) | Weight (mg/200mm) | Weight(mg/200mm) Tolerance(%) | Diameter Tolerance(%) | ||||
| Grade 0 | Grade 1 | Grade 2 | Grade 0 | Grade 1 | Grade 2 | ||
| 5≤d≤12 | 0.075~0.44 | － | ±4 | ±5 | － | － | － |
| 12 | >0.44~0.98 | － | ±3 | ±4 | － | － | － |
| 18 | >0.98~4.85 | ±2 | ±2.5 | ±3 | － | － | － |
| 40 | >4.85~19.39 | ±1.5 | ±2.0 | ±2.5 | － | － | － |
| 80 | >19.39~272.71 | ±1.0 | ±1.5 | ±2.0 | － | － | － |
| 300 | >272.71~371.79 | － | ±1.0 | ±1.5 | － | － | － |
| 350 | － | － | ±1.5 | ±2.0 | ±2.5±1.0 | ||
| 500 | － | － | ±1.0 | ±1.5 | ±2.0 | ||
| 1.Tungsten Wires | |||
| Diameter (µm) | Wire Weight per 200mm in length (mg) | Wire Weight per 200mm in length for tolerance (%) | |
| 15 d 18 | > 0.3~0.98 | Class A | Class B |
| +2.5 | +3.0 | ||
| 18 < d 40 | >0.98~4.85 | +2.0 | +2.5 |
| 40 < d 80 | >4.85~19.39 | +1.5 | +2.0 |
| 80 < d 300 | >19.39~30.30 | +1.0 | +1.5 |
| 300< d 400 | >272.71~484.80 | +0.5 | +1.0 |
| 2.Cleaned Tungsten Wires | |||||
| Diameter (µm) | Wire Weight per 200mm in length (mg) | Wire Weight per 200mm in length for tolerance (%) | Linearity | ||
10 d 18 | >0.3~0.98 | Class A | Class B | Suspension length (%) | Chord high (mm) |
| +2.5 | +3.0 | – | – | ||
| 18 < d 40 | >0.98~4.85 | +2.0 | +2.5 | – | – |
| 40 < d 80 | >4.85~19.39 | +1.5 | +2.0 | 90 | – |
| 80 < d 100 | >19.39~30.30 | +1.0 | +1.5 | – | – |
| 100< d 300 | >30.30~272.71 | +1.0 | +1.5 | – | 8 |
| 300< d 400 | >272.71~484.80 | +0.5 | +1.0 | – | – |
