Silver Tungsten
Product Detail
Product Tags
Ningbo De-Shin offers a full range of silver tungsten for different industrial application fields. It takes the advanced vacuum infiltration process and all products meet the criterion of GB/T8320-2003, ASTM B631.
Production process: powder mix –> pressing –> sintering –> vacuum infiltration –> machining –> QC. All this production process is strictly controlled by QC to ensure best quality performance.
Advantages:
1. High electrical conductivity.
2. High thermal conductivity.
3. High density with perfect uniformity microstruction of material.
Applications:
1. Circuit breakers.
2. Earth leakage breakers.
3. Miniature circuit breakers.
4. resistance welding electrode.
5. wear resistance shaft
Stock size:
Silver tungsten rod: diameter≥0.5mm, usually 1-60mm; length≤300mm, usually 100, 175, 200, 300mm.
Silver tungsten square bar: thickness≥1.0mm, usually 1-40mm; length & width≤400mm, usually 100*200, 200*300, 200*400mm.
| grade | Chemical Composition (wt%) | Density | Hardness | Resistivity | ||
| Ag | Total Impurities≤ | W | g/cm3 ≥ | HB Kgf/mm2 ≥ | μΩ.cm ≤ | |
| W30/Ag70 | 70±1.5 | 0.5 | Balance | 11.75 | 75 | 2.3 |
| W40/Ag60 | 60±1.5 | 0.5 | Balance | 12.40 | 85 | 2.6 |
| W50/Ag50 | 50±2.0 | 0.5 | Balance | 13.15 | 105 | 3.0 |
| W55/Ag45 | 45±2.0 | 0.5 | Balance | 13.55 | 115 | 3.2 |
| W60/Ag40 | 40±2.0 | 0.5 | Balance | 14.00 | 125 | 3.4 |
| W65/Ag35 | 35±2.0 | 0.5 | Balance | 14.50 | 135 | 3.6 |
| W70/Ag30 | 30±2.0 | 0.5 | Balance | 14.90 | 150 | 3.8 |
| W75/Ag25 | 25±2.0 | 0.5 | Balance | 15.40 | 165 | 4.2 |
| W80/Ag20 | 20±2.0 | 0.5 | Balance | 16.10 | 180 | 4.6 |
| W85/Ag15 | 15±2.0 | 0.5 | Balance | 16.70 | 195 | 5.0 |
