Cheapest Factory Niobium Evaporation Wire - Tungsten TIG Electrode WL20 – Forged Tungsten

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Cheapest Factory Niobium Evaporation Wire - Tungsten TIG Electrode WL20 – Forged Tungsten Detail:

Chemical composition:

Main and minor components Min.content(%)
W Balance
La 1.53-1.88%
La2O3 1.80-2.20%
Impurities Max.values (μg/g)
Al 15
Cu 10
Cr 20
Fe 30
K 10
Ni 20
Si 20
Mo 100
C 30
H 5
N 5
Cd 5
Hg 1
Pb 5

Diameter and tolerances:

Diameter (mm) Tolerance (mm)
1.00-2.39 ±0.05
2.40-2.99 ±0.08
3.0-10.0 ±0.10

Length and tolerance:

Length (mm) Tolerance (mm)
50 ±1.5
75 +2.5/-1.0
150 +4.0/-1.0
175 +6.0/-1.0
300 +8.0/-1.0
450 +8.0/-1.0
600 +13.0/-1.0

Straihtness(mm): max. deviation 0.5/100 mm length
Thermal treament: unannealed
Density: ≥18.5g/cm³
Surface: centerless ground


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Cheapest Factory Niobium Evaporation Wire - Tungsten TIG Electrode WL20 – Forged Tungsten detail pictures


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  • In China, we have purchased many times, this time is the most successful and most satisfactory, a sincere and realiable Chinese manufacturer!
    5 Stars By Ella from South Korea - 2017.05.02 11:33
    We are really happy to find such a manufacturer that ensuring product quality at the same time the price is very cheap.
    5 Stars By Wendy from Vancouver - 2018.11.02 11:11
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