Molybdenum, Tungsten + Nickel Alloy (ex.Monel Metal)

Weldability of the material and electrode material (guideline)

Weldability Acceptable
Upper Electrode Cu-Cr-Zr (Equivalent to RWMA-2)
Lower Electrode Cu-Cr-Zr (Equivalent to RWMA-2)
Special Note Welding conditions should be adjusted precisely.
Possible to weld under a special condition.
Pay attention on polarity.

Physical Property

W Tungsten
Melting Point 3422℃
Electrical Resistivity 5.5×10-8Ω・m
Thermal Conductivity 174 W/(m・K)
Mo Molybdenum
Melting Point 2623℃
Electrical Resistivity 5.7×10-8Ω・m
Thermal Conductivity 138 W/(m・K)
Ni alloy Nickel Alloy (ex.Monel Metal)
Melting Point ≈1430℃
Electrical Resistivity 63.5×10-8Ω・m
Thermal Conductivity ≈14.6 W/(m・K)