Specifications
high purity tungsten wire for edm with best price
1.Purity:99.95%
2.all kinds if size are avallable
3.MOQ:1kg
4.ISO, SGS
tungsten wire
Tungsten wire:
1. Purity: 99.95%-99.98%;
2. Grade: W1, WAL1,W-4
3. Density:19.2g/cm3
4. Package:wooden case or on request;
5. The tungsten wire features excellent formability, long life and
super lighting efficiency. Mainly used for making various electron
tube, H series auto lamp,
halogen lamp and other special lamp
Pure molybdenum wire:
1. purity: 99.95%
2. grade: Mo-1, Mo-2
3. density:10.15g/cm3
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.
Chemical Composition:
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 (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
>0.44~0.98 |
- |
±3 |
±4 |
- |
- |
- |
|
18
>0.98~4.85 |
±2 |
±2.5 |
±3 |
- |
- |
- |
|
40
>4.85~19.39 |
±1.5 |
±2.0 |
±2.5 |
- |
- |
- |
|
80
>19.39~272.71 |
±1.0 |
±1.5 |
±2.0 |
- |
- |
- |
|
300
>272.71~371.79 |
- |
±1.0 |
±1.5 |
- |
- |
- |
|
350
- |
- |
±1.5 |
±2.0 |
±2.5 |
| ||
500
- |
- |
±1.0 |
±1.5 |
±2.0 |
|
联系人: Michael
公司名称:Henan Lingmai Trading Co., Ltd
办公地址:Beihuan, Zhengzhou, Henan, China,450000
电话号码:
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