pure tungsten wire

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price: Negotiable
minimum:
Total supply:
Delivery term: The date of payment from buyers deliver within days
seat: Beijing
Validity to: Long-term effective
Last update: 2018-07-13 05:37
Browse the number: 229
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Product details
Tungsten wire including stranded gold plated/rhenium/black/cleanded tungsten wire


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.

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 tolerance(%):

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<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

±2.5

500<d≤1800

            -

±1.0

±1.5

±2.0

 

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Production Technology:


Packing details show:


FAQ:

1.Are you a factory or trading company?

Our factory has 8 years experience in production.

2.Are you able to provide samples?

Yes, we can supply you free sample.

http://www.hanz-wmos.com/

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