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Help CenterElectrical Contacts With Tungsten Round Piece
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Note: according to customers demand processing production
Electrical contacts with tungsten round piece of technical conditions
Chemical composition
|
W |
Fe |
Mo |
other |
|
≥99.97% |
≤0.01% |
≤0.01% |
≤0.01 |
Physical properties
|
Straight path(mm) |
Hard degrees(kg/mm2) |
Crystal digits(pee/mm2) |
|
<3.0 |
>470 |
>12000 |
|
3.0-<4.0 |
>460 |
>10000 |
|
4.0-<5.0 |
>450 |
>8000 |
|
5.0-<7.0 |
>430 |
>6000 |
|
7.0-<9.0 |
>410 |
>6000 |
Surface quality state
|
|
Roughness A |
B |
striation |
|
rounds |
0.2um |
5.0um |
2.0um |
precision
|
|
diameter |
thickness |
Parallel degree |
Spherical radius |
|
rounds |
±0.05mm |
±0.05mm |
±0.02mm |
According to relevant drawings |
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