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Sunday, April 24, 2011

mig welding calculation for mild steel

Mild Steel

Steel Thickness
(mm)
Filler Rod
(mm)
Tungsten
(mm)


Practice beads


Closed root butt joint


Fillet joint


Open root butt joint (gap is half of material thicknesss)


Lap joint


Outside corner joint

Amps
Amps
Amps
0.8
1.0
1.0 or 1.6 1
25
30
20
1.0
1.0
1.0 or 1.6 1
30
35
25
1.2
1.0
1.6
35
45
30
1.5
1.0
1.6
45
55
40
2.0
1.0 or 1.6 2
1.6
60
75
55
3.0
1.6
1.6
90
110
80

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