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Item Details
Product Description
high quality 99.95% pure tungsten bar
Specification
1.Material: tungsten
2.Pure: 99.95%
3.Surface: black, burnishing, polishing
|
Tungsten content |
Type |
Diameter |
Dia.tolerance |
Length |
L tolerance |
Liner |
|
99.95% |
Sintering bar |
40-100 |
±3 |
500max |
±5 |
±5% |
|
Forged bar |
20-80 |
±2 |
800max |
±5 |
±2% |
|
|
Ground bar |
2-60 |
±0.1 |
650max |
±1 |
±0.5% |
|
|
Application |
Be used for drawing tungsten wires, electrodes, heaters in high temperature vacuum furnace and so on. |
|||||
Chemical Compositions
| Grade |
Tungsten content |
Contents of Impurity Elements |
|
|
Total Content |
Content of each element |
||
|
WAL1,WAL2 |
99.95%min |
0.05%nax |
0.01%max |
|
W1 |
99.95%min |
0.05%nax |
0.01%max |
|
W2 |
99.92%min |
0.08%nax |
0.01%max |
Dimension & Tolerance
|
Varity |
Diameter Range |
Diameter Tolerance |
|
|
|
|
MIN |
MAX |
|
Black bar wroughted |
=3.0mm |
±0.05mm |
±0.10mm |
|
Straightened bar |
0.5?3.0mm |
±0.01mm |
±0.01mm |
|
Ground bar |
=0.8mm |
±0.01mm |
±0.05mm |
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