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WELDERS ITEM 8201N ÷ 8214N
EDITION: MAY 2008 PAGE 27 OF 32
8 ENCLOSURES
8.1 WELDING TABLES
In order to facilitate the search for the best welding conditions, we have herewith inserted the
following tables stating the approximate adjusting values. Notice that the same weld can be
carried out under different working conditions, so much so that the following data are not binding
ones.
Low carbon steel spot welding
Welding class A
Thickness
Spots
minimum
Minimum
overlapping
Electrodes
Electrodes
force
Welding
current
Welding
time
Obtained
nugget
a
distance
D min
d max
d1
mm
mm
mm
mm
mm
daN
kA
cicli
mm
0.25
6
9.5
9.5
3
90
4
4
3
0.5
9.5
11
9.5
4.5
136
7
5
4
0.75
12.5
11
9.5
4.5
181
8
7
5
1.0
19.5
12.5
13
6.5
225
9.5
8
5.5
1.25
22.5
15
13
6.5
294
10.5
10
6
1.5
27
16
13
6.5
362
12
12
6.5
2.0
35
18
16
8
498
14
18
7.3
2.5
42
19
16
8
590
15.5
22
8.3
2.8
48
21
16
9
725
17.5
24
9
3.2
50
23
22
9
820
19
25
10
Welding class B
Thickness
Spots
minimum
Minimum
overlapping
Electrodes
Electrodes
force
Welding
current
Welding
time
Obtained
nugget
a
distance
D min
d max
d1
mm
mm
mm
mm
mm
daN
kA
cicli
mm
0.25
6
9.5
9.5
3
60
3.6
5
3
0.5
9.5
11
9.5
4.5
90
5
8
4
0.75
12.5
11
9.5
4.5
120
6.4
13
5
1.0
19.5
12.5
13
6.5
160
7.5
18
5.5
1.25
22.5
15
13
6.5
200
8.3
20
6
1.5
27
16
13
6.5
240
9
24
6.5
2.0
35
18
16
8
324
10.5
30
7.3
2.5
42
19
16
8
370
11.5
37
8.3
2.8
48
21
16
9
470
12.5
42
9
3.2
50
23
22
9
550
13.5
50
10
4.0
68
32
25
11
640
14.4
75
11.5
