99.95% Polished Tungsten Round Bar Used In Glass Industry
High Purity Customized Polished Tungsten Rod,Tungsten Round Rod
Brief introduction:
Tungsten rodis divided into firing tungsten rod, forging tungsten rod and polishing tungsten rod according to different production processes. The crystal structure of tungsten rod is compact.
Applications:
Tungsten rod is widely used to produce cathode, components for electron tubes, grid siderod, lead, support, etc.
Appearance:
Tungsten rod has no camber, crack, burr, peeling or other defects affecting the further uses.
The surface of firing tungsten rod appears silver gray metallic luster;
The surface of forging tungsten rod has a layer of oxide and slight forging hammer mark, so the surface is black;
The surface of polishing tungsten rod appears silver gray metallic luster and has no obvious oxidized phenomenon.
Zhengzhou Sanhui Co., Ltd has its own factory.
We can provide customized tungsten rods according to the requirements of customers.
1.Chemical compositions and applications:
| type | purity of tungsten | application |
| WAL1 | >=99.92% | filament,cathode and components for electron tubes,electrode for the gas discharge tube.etc. |
| WAL2 | ||
| WAL3 | >=99.92% | grid siderod,lead,support,electrode for the discharge lamp,etc. |
| W1 | >=99.95% | grid siderod,support,lead and electrode,etc. |
|
W2 |
>=99.92% |
2.Forms and dimensions:
| furnished form | specified diameter | min.length |
| wroughted | 2.8<=d<5.0 | 600 |
| 5.0<=d<6.5 | 300 | |
| 6.5<=d<11.0 | 200 | |
| straightened | 0.8<=d<1.0 | 1000 |
| 1.0<=d<3.0 | 800 | |
| ground | 0.8<=d<3.0 | 800-1000 |
| 3.0<=d<6.5 | 300-600 | |
| 6.5<=d<10.0 | 200 |
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