welding wire diameter

welding parameter

Φ1.2mm

Φ1.4mm

Φ1.6mm

current(A)

Down hand welding

120-300

150-380

180-430

flush fillet welding

120-280

150-320

180-380

horizontal welding

120-280

150-300

180-330

voltage(U)

1. U=14+0.051
2. 300A under  U=0.041+16±1.50
3. above 300A   U=0.041+20±2.0

distance between nozzle and workpiece(H)

1. Below 200A: H=10~15mm 
2. 200~350A H=15~20mm
3. 350~500A H=20~25mm

welding extension length(L)

The length is about 10 times welding wire diameter. It is L=10d