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Appendix A Welding Parameter
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
Electrode
type
model
Structural
steel
E4313/ J421
electrode -
E4303/ J422
acid
E5003/ J502
electrode
E4315/ J427
E4316/ J426
E5015/ J507
E5016/ J506
Structural
E5018/ J506LMA
steel
E5015-G/ J507R
electrode -
E5015-G/ J507RH
basic
E5515-G/ J557
electrode
E6015-D1/ J607
E8015-G/ J807
E8515-G/ J857CrNi
E9015-G/ J907
A112
Stainless
E308-16/ A102
steel
E347-16/ A132
electrode
E309-16/ A302
EDPCrMo-A2-03/
D132
Surfacing
EDPMn2-15/ D107
electrode
EDCoCr-A-03/ D802
DCEN: Direct Current Electrode Negative.
DCEP: Direct Current Electrode Positive.
16
Connection
Welding
type
post
Flat position
Horizontal
DCEN
position
Vertical
position
Overhead
position
Flat position
Horizontal
position
DCEP
Vertical
position
Overhead
position
DCEN /
Flat position
DCEP
DCEN /
Flat position
DCEP
DCEN /
Flat position
DCEP
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
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