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Tungsten
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Tungsten Products
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Product description
Parameters
| chemical composition | |||
| Brand | Tungsten content | Impurity element content | |
| Total content | Content per element | ||
| 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 used as an impurity content | |||
| Tungsten wire diameter and tolerance | |||||||
| diameter（μm） | 200mm Wire weight | 200mm Four-section weight tolerance（%） | Diameter tolerance（%） | ||||
| 0 level | 1 level | 2 level | 0 level | 1 level | 2 level | ||
| 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 | ±2.0 | ||
| 500≤d≤1800 | - | - | ±1.0 | ±1.5 | ±2.0 | ||
| Appearance: The surface of the tungsten wire is coated with graphite milk, which is relatively uniform black. Removing the stone grinding milk is metallic luster. | |||||||
|
Uses: manufacturing electric light source and vacuum parts Used as high temperature furnace wire and high temperature structural material Tungsten spiral used to make pinhole evaporation |
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Tungsten rod
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Third Industrial Zone, hecheng town, Heshan City
Guang zhou office address:
Room106A, TowerA, ZhongBang Business Center,No. 53, Puxing Road, Dongpu Town, Tianhe District, Guangzhou City, Guangdong Province.
Tel:+86-20-82550952/82550353
Fax: +86-20-82550952
E-mail: sales@gzwdhg.com
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