Mild Steel Plate (Ni Plating) + Brass

Weldability of the material and electrode material (guideline)

Weldability Very bad
Upper Electrode Cu-Cr-Zr (Equivalent to RWMA-2)
Lower Electrode Cu30%-W70% (Equivalent to RWMA-11)
Special Note  

Physical Property

Fe(Ni) Mild Steel Plate (Ni Plating)
(Ni) Melting Point 1455℃
(Ni) Electrical Resistivity 6.8×10-8Ω・m
(Ni) Thermal Conductivity 90.7 W/(m・K)
(Fe) Melting Point 1535℃
(Fe) Electrical Resistivity 9.7×10-8Ω・m
(Fe) Thermal Conductivity 80.2 W/(m・K)
Bs Brass
Melting Point ≈920℃
Electrical Resistivity (3.2~5)×10-8Ω・m
Thermal Conductivity ≈124 W/(m・K)