MetFab - Air Products Welder's Handbook - Flipbook - Page 38
Typical conditions for MAG welding of
carbon/carbon manganese steel (135)
The following tables summarise the weld procedure
specification (WPS) and weld procedure qualification records
(WPQRs) available for users of Air Products’ Maxx® gases range.
Permission to use these standard procedures under ISO 15612-1
can be obtained via your Air Products representative.
WPS - WPQR table; MAG welding (135)
Material: Carbon steel; s355J2; material group 1.2 acc. to ISO 15608
Wire; G42 4 M2 3Si1 - ISO EN 14341-A
Butt welds in flat PA position
Plate
thickness
(mm)
Wire
diameter
(mm)
Weld
current
(A)
Arc
voltage
(V)
Weld
speed
(cm/min)
Weld
process gas
1
1.0
50 - 60
14.5 - 15.5
35 - 40
Ferromaxx® 7
2
1.0
105 - 115
16.5 - 17.5
30 - 35
Ferromaxx® 7
3
1.0
100 - 110
17 - 18
20 - 25
Ferromaxx® 7
12 (root)
1.0
100 - 110
17 - 19
12 - 14
Ferromaxx® 7 / Ferromaxx® 15
12 (layer 2-n)
1.0
250 - 270
29 - 31
30 - 35
Ferromaxx® 7 / Ferromaxx® 15
Fillet welds in the PB position
34
Plate
thickness
(mm)
Throat size
(sl/ml)
(mm)
Wire
diameter
(mm)
Weld
current
(A)
Arc
voltage
(V)
Weld
speed
(cm/min)
Weld
process gas
1
2 (sl)
0.8
60 - 70
16 - 17
30 - 35
Ferromaxx® 7
6
4 (sl)
1.0
240 - 250
28 - 30
35 - 40
Ferromaxx® 7
10
5 (sl)
1.0
255 - 265
29 - 31
30 - 35
Ferromaxx® 7 / Ferromaxx® 15
10
5 (sl)
1.2
275 - 285
29 - 31
30 - 35
Ferromaxx® 7 / Ferromaxx® 15
10
7 (ml)
1.0
240 - 250
28 - 30
40 - 50
Ferromaxx® 7 / Ferromaxx® 15
10
7 (ml)
1.2
275 - 285
29 - 31
35 - 40
Ferromaxx® 7 / Ferromaxx® 15
30
15 (ml)
1.0
240 - 250
28 - 30
35 - 40
Ferromaxx® 7 / Ferromaxx® 15
30
15 (ml)
1.2
290 - 310
29 - 31
35 - 40
Ferromaxx® 7 / Ferromaxx® 15
