Steel + Aluminium

Weldability of the material and electrode material (guideline)

Weldability No good
Upper Electrode Cu-Cr-Zr (Equivalent to RWMA-2)
Lower Electrode Cu-Cr-Zr (Equivalent to RWMA-2)
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)
Al Aluminium
Melting Point 660℃
Electrical Resistivity 2.7×10-8Ω・m
Thermal Conductivity 237 W/(m・K)