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Applications:
For producing electric light source parts and electric vaccum components
For producing heating elements and refractory parts in high temperature furnaces
For producing heating elements used in vaccum metalizing or plating
Appearance:
W-wire is regular black covered with graphite. After graphite is removed it is metallic luster.
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<d≤18 |
>0.44~0.98 |
－ |
±3 |
±4 |
－ |
－ |
－ |
18<d≤40 |
>0.98~4.85 |
±2 |
±2.5 |
±3 |
－ |
－ |
－ |
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 |
>272.71~371.79 |
－ |
±1.0 |
±1.5 |
－ |
－ |
－ |
350<d≤500 |
－ |
－ |
±1.5 |
±2.0 |
±2.5 |
||
500<d≤1800 |
－ |
－ |
±1.0 |
±1.5 |
±2.0 |
||
Product show:
Production Technology:
Packing details show:
FAQ:
1.Are you a factory or trading company?
Our factory has 8 years experience in production.
2.Are you able to provide samples?
Yes, we can supply you free sample.
http://www.hanz-wmos.com/