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11.8 Welding Parameter for MMA
Please refer to the following table for the welding process parameters of MMA welding, and the details
shall be subject to the actual conditions.
Electrode
type
Structural steel
electrode -
acid electrode
Structural steel
electrode -
basic electrode
Stainless steel
electrode
Surfacing electrode
DCEN: Direct Current Electrode Negative.
DCEP: Direct Current Electrode Positive.
Electrode
model
E4313/ J421,
E4303/ J422,
E5003/ J502
E4315/ J427,
E4316/ J426,
E5015/ J507,
E5016/ J506,
E5018/ J506LMA,
E5015-G/ J507R,
E5015-G/ J507RH,
E5515-G/ J557,
E6015-D1/ J607,
E8015-G/ J807,
E8515-G/ J857CrNi,
E9015-G/ J907
A112,
E308-16/ A102,
E347-16/ A132,
E309-16/ A302
EDPCrMo-A2-03/ D132,
EDPMn2-15/ D107
EDCoCr-A-03/ D802
Connection
Welding
type
post
Flat
position
Horizontal
DCEN
position
Vertical
position
Overhead
position
Flat
position
Horizontal
DCEP
position
Vertical
position
Overhead
position
Flat
DCEN / DCEP
position
Flat
DCEN / DCEP
position
Flat
DCEN / DCEP
position
Diameter
Current
(mm)
range (A)
2.5
50~90
3.2
90~140
4.0
150~210
5.0
210~270
3.2
90~120
4.0
120~180
3.2
90~110
4.0
120~150
3.2
95~120
4.0
120~180
2.5
50~90
3.2
80~125
4.0
140~180
5.0
180~240
3.2
80~120
4.0
140~170
3.2
80~105
4.0
120~150
3.2
80~120
4.0
120~170
2.5
50~80
3.2
80~110
4.0
110~160
5.0
160~200
3.2
90~110
4.0
140~180
5.0
180~220
4.0
120~160
5.0
140~190
49
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