Chinese wholesale Evaporation Tungsten Boat - Tungsten TIG Electrode WC20 – Forged Tungsten
Chinese wholesale Evaporation Tungsten Boat - Tungsten TIG Electrode WC20 – Forged Tungsten Detail:
Chemical composition:
Main and minor components | Min.content(%) |
W | Balance |
Ce | 1.47-1.79% |
CeO2 | 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: ≥18.7g/cm³
Surface: centerless ground
Product detail pictures:
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By Albert from Gambia - 2018.10.01 14:14
The company comply with the contract strict, a very reputable manufacturers, worthy a long-term cooperation.
By Ruth from Oman - 2017.01.28 19:59
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