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Welding elements
Material of workpiece: Mild steel, shiny S235/Steel galvanized S235
RD (MR)
RD (MR)
RD (MR)
RD (MR)
RD (MR)
RD (MR)
UD / Pins
UD / Pins
UD / Pins
UD / Pins
UD / Pins
UD / Pins
UD / Pins
UD / Pins
SD
SD
SD
to be checked by test weldings
1)
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Diameter of
welding elements
imperial (US)
Stud
eff.
diameter
diameter
[mm]
[inches]
Ø d
Ø d
1
2
1/4"
0.187
5/16"
0.275
3/8"
0.312
1/2"
0.435
5/8"
0.500
3/4"
0.625
Ø d
1
#4 / 12 gage
#8
#10 / 3/16
1/4"
5/16"
7/16"
1/2"
5/8"
Ø d
1
3/8"
4/8"
5/8"
Step switch-
Welding
Current step
current
ARC 1550
[A]
1)
I
1
500
1
500
2
800
2
800
3
1,000
5
1,500
1
500
1
500
1
500
1
500
2
800
2
800
3
1,000
4
1,200
2
800
3
1,000
4
1,200
12 Welding
Welding
time
ARC 1550
[ms]
1)
t
70
120
120
170
550
630
25
50
70
90
120
150
220
680
200
530
670
39
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