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38
12 Welding
Determining the Welding Time and the Welding Current for Welding Guns
A 12, A 16, A 22, A 25 and AI 06
for drawn-arc stud welding with ceramic ferrule
Welding elements
Material:
4.8 (suitable for welding)
2)
Diameter of welding elements
Welding
current
1) 2)
IT 2002
in A
Welding time
1) 2)
IT 2002
in ms
metric imperial (US)
Stud
diameter
in mm
eff.
diameter
in mm
Stud
diameter
in inches
eff.
diameter
in inches
Material of workpiece: Mild steel (suitable for welding)
2)
Ø d
1
Ø d
2
Ø d
1
Ø d
2
RD
3)
M6 4.7 1/4“ 0.185 300 150
RD
3)
M8 6.2 5/16“ 0.244 450 170
RD
3)
M10 7.9 3/8“ 0.311 500 250
RD
3)
M12 9.5 1/2“ 0.374 550 330
RD
3)
M16 13.2 5/8“ 0.520 800 550
RD
3)
M20 16.5 3/4“ 0.650 1 400 670
RD
3)
M24 20.0 1“ 0.787 1 700 1 000
Ø d1 Ø d2 Ø d1 Ø d2
PD/MD (DD)
3)
M6 5.35 1/4“ 0.21 450 100
PD/MD (DD)
3)
M8 7.19 5/16“ 0.28 500 250
PD/MD (DD)
3)
M10 9.03 3/8“ 0.36 550 330
PD/MD (DD)
3)
M12 10.86 1/2“ 0.43 675 420
PD/MD (DD)
3)
M16 14.60 5/8“ 0.57 1 200 550
PD/MD (DD)
3)
M20 18.38 3/4“ 0.72 1 500 750
PD/MD (DD)
3)
M24 22.05 1“ 0.87 1 700 1 000
Ø d
1
Ø d
1
UD / Pins
3)
3 (ISO) #4 / 12 gage ---
5)
---
5)
UD / Pins
3)
4 (ISO) #8 ---
5)
---
5)
UD / Pins
3)
5 (ISO) #10 / 3/16“ ---
5)
---
5)
UD / Pins
3)
6 1/4“ 300 180
UD / Pins
3)
8 5/16“ 500 250
UD / Pins
3)
10 7/16“ 550 330
UD / Pins
3)
12 1/2“ 675 420
UD / Pins
3)
16 5/8“ 1 200 670
UD / Pins
3)
20 3/4“ 1 500 840
UD / Pins
3)
22 7/8“ 1 700 1 000
1)
to be checked by test weldings
2)
When using alloyed steels, the welding energy (welding current or welding time) must be reduced by about
10 %.
3)
Information and recommendations on this can be found in DIN EN ISO 14555 .
4)
Information and recommendations on this can be found in DVS 0902 .
5)
We recommend the “drawn arc stud welding with shielding gas” welding procedure.