Molybdenum, Tungsten + Steel

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 Not enough welding strength.

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)
Fe(steel) Steel
Melting Point 1535℃
Electrical Resistivity 9.7×10-8Ω・m
Thermal Conductivity 80.2 W/(m・K)