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4.4. Spot Welding Mode
Press and hold the torch trigger and the spot weld will be performed according to the
welding current. After the spot time has elapsed, the operation is terminated.
5. Welding-wire Selection
The suggested wire type and shield gas for different workpiece materials are detailed
in the following table. For welding aluminium plate, Ø1.2mm wire is normally
recommended. For copper, stainless steel and carbon steel, Ø1.0mm or Ø1.2mm wire
is normally recommended.
Welding
method
Wire type
Diameter
（
mm
）
Workpiece
material
Shielding Gas
MIG/MAG
Pulse welding
Al-Si Alloy
Ø 0.8
Ø 1.0
Ø 1.2
Ø 1.6
Soft Al:4043
、
4047
≥99.99%Ar
Al-Mg Alloy
Hard Al
：
5356
、
5183
、
MgAl5
≥99.99%Ar
Pure aluminum
1070
、
1100
≥99.99%Ar
Copper
Cu18
、
Cu19
、
CuSi3
、
CuAl9
≥99.99%Ar
Stainless Steel
304
、
316
、
312
、
308
98%Ar+2%CO
2
Carbon steel
Carbon steel
80%Ar+20%CO
2
