H4

Steel + Copper

Guideline of the Weldability of the Material and Electrode Material

Weldability Very bad
Upper Electrode Cu-Cr-Zr (Equivalent to RWMA-2)
Lower Electrode W100% (Equivalent to RWMA-13)
Special Note

Not enough welding strength.

Generating a stick instead of a nugget.

Physcial Property

Fe (steel)
Steel
Melting Point 1535°C
Electrical Resistivity 9.7x10-8Ω•m
Thermal Conductivity 80.2 W/(m•K)

 

Cu
Copper
Melting Point 1084°C
Electrical Resistivity 1.7x10-8Ω•m
Thermal Conductivity 401 W/(m•K)