Tungsten Wire

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price: Negotiable
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Delivery term: The date of payment from buyers deliver within days
seat: Beijing
Validity to: Long-term effective
Last update: 2017-12-01 12:38
Browse the number: 106
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Tungsten Wire

Alloy: W1, W2
Chemical comopsition.%
Alloy W Others, Less than
Al Ca Fe Mg Mo Ni Si C N O
W1 Rest 0.002 0.005 0.005 0.003 0.010 0.003 0.005 0.008 0.003 0.005
PS: W≥99.95%

Density: 19.1g/cm3
Application: Tungsten wire is mainly used in the manufacture of all kinds of incandescent lamp, fluorescent lamp, halogen lamp filament and HID lamp with electrodes, and a variety of heating components, vacuum coating, heating, TIG electrodes, etc
Feature:
High temperature: Acc. To buyer’s usage, classify different requirements of temp.
Diameter of consistency: Tungsten wire each 200mm distance diameter not exceed 0.5% of diameter.
Linearity:
Normal Tungsten wire: GB/T 232772-2009
Straightened Tungsten wire: Diameter <100μm, each 500mm prolapse height ≥450mm; Diameter ≥100μm, each 100mm Chord length of arc height ≤10mm.
Surface condition: smooth surface, no crack, burr, scratches, pits, uneven, oil and other defects.
Winding ability: on the process of winding, Tungsten wire won’t crack.
Weight of each wire: Small diameter of Tungsten wire weight over 5kg, Big diameter of Tungsten wire over 10kg.
Tungsten wire diameter(Table1):
Diameter(μm) Weight(mg/200mm) 200mm Weight tolerance (%) Diameter tolerance (%)
Grade 0 Grade Ⅰ Grade Ⅱ Grade Ⅰ Grade Ⅱ
8<d≤14 0.19<p≤0.59 ±3.0 ±4.0 ±5.0 —
14<d≤18 0.59<p≤0.98 ±2.5 ±3.0 ±4.0 —
18<d≤40 0.98<p≤4.85 ±2.0 ±2.5 ±3.0 —
40<d≤80 4.85<p≤19.39 ±1.5 ±2.0 ±2.5 —
80<d≤300 19.39<p≤272.71 ±1.0 ±1.5 ±2.0 —
300<d≤350 272.71<p≤371.18 — ±1.0 ±1.5 —
350<d≤500 — — ±1.5 ±2.0
d>500 — — ±1.0 ±1.5
Note: the specification tolerance can customize according to customer’s requirements.

Prduction Process
Quality products are guaranteed by focusing on every detail in the production process; and leading process leads to leading-edge products.
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