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WIRE WELDING
Edge preparation
Aluminium, Position welding, Argon Shielding gas Material thickness mm
Type of Welding joint position *
Gas consumption l/min.
Wire diameter mm
Welding parameters Amp
Volt
Welding speed cm/min
Number of layers
60° 6.5 (1/4”)
V
20
1.2 or 1.6
180
23
50
2
60° 6.5 (1/4”)
OH
20
1.2 or 1.6
200
23-24
55
2
60° 9.5 (3/8”)
V
20
1.2 or 1.6
210
23
45
3
60° 9.5 (3/8”)
OH
23
1.6
220
23-24
50
3
60° 12.7 (1/2”)
V
23
1.6
215
22-23
30
3
60° 12.7 (1/2”)
OH
25
1.6
225
23-24
40
4
75° 19 (3/4”)
V
25
1.6
225
23-24
25
4
75° 19 (3/4”)
OH
25
1.6
240
24
35
6
V: Vertical, OH: Over head *4 mm (1/16”)
4 mm (1/16”)
Copper alloys, Horizontal, Argon Shielding gas Material Type of thickness joint mm
Gas consumption l/min.
Wire Welding parameters diameter Wire speed Amp Volt mm cm/min
3 (1/8”)
15-20
1.6
310
27
500
6.5 (1/4”)
15-20
2.4
460
26
345
90° 9.5 (3/8”)
5 mm
15-20
2.4
500
27
380
90° 12.7 (1/2”)
5 mm
15-20
2.4
540
27
420
4.03
NB: When welding Cunifer backing gas must be used 437