Steel + Copper

Weldability of the material and electrode material (guideline)

Weldability Very bad
Upper Electrode Cu-Cr-Zr (Equivalent to RWMA-2)
Lower Electrode W100% (Equivalent to RWMA-13)
Mo100%
Special Note Not enough welding strength.
Generating a stick instead of a nugget.

Physical Property

Fe(steel) Steel
Melting Point 1535℃
Electrical Resistivity 9.7×10-8Ω・m
Thermal Conductivity 80.2 W/(m・K)
Cu Copper
Melting Point 1084℃
Electrical Resistivity 1.7×10-8Ω・m
Thermal Conductivity 401 W/(m・K)