F4

Mild Steel Plate (Zn Plating) + Brass

Guideline of the Weldability of the Material and Electrode Material

Weldability No good
Upper Electrode Cu-Cr-Zr (Equivalent to RWMA-2)
Lower Electrode Cu30%-W70% (Equivalent to RWMA-11)
Special Note

Clean electrode generates no stick.

Physcial Property

Fe (Zn) Mild Steel Plate (Zn Plating)
(Zn) Melting Point 420°C
(Zn) Electrical Resistivity 5.9x10-8Ω•m
(Zn) Thermal Conductivity 116 W/(m•K)
(Fe) Melting Point 1535°C
(Fe) Electrical Resistivity 9.7x10-8Ω•m
(Fe) Thermal Conductivity 80.2 W/(m•K)

 

Bs Brass
Melting Point ≈920°C
Electrical Resistivity (3.2~5)x10-8Ω•m
Thermal Conductivity

≈124 W/(m•K)