China OEM Molybdenum Heater Element - Tungsten TIG Electrode – Forged Tungsten

Chemical composition:

Main and minor components Min.content(%)
W 99.97
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
O 20
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: ≥19.2g/cm³
Surface: centerless ground


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