Related Resources: weld

Design of Fillet Weld Sizes by Rule-of-Thumb

Weld Engineering and Design

Designing Welded Joints Selection and Design of fillet weld sizes by rule-of-thumb (all dimensions in mm)

Plate thickness,
h mm
full-strength weld
(w = 3/4h)
Designing for Rigidity
50% of full-strength
weld (w = 3/8h)
33% of full-strength weld
(w = 1/4h)
6
4.5
4.5
4.5
8
6
4.5
4.5
9.5
8
4.5
4.5
11
9.5
4.5
4.5
12.5
9.5
4.5
4.5
14
11
6
6
15.5
12.5
6
6
19
14
8
6
22
15.5
9.5
8
25
19
9.5
8
28.5
22
11
8
31.5
25
12.5
8
35
25
12.5
9.5
37.5
28.5
14
9.5
41
31.5
15.5
11
44
35
19
11
50
37.5
19
12.5
54
41
22
14
57
44
22
14
60
44
25
15.5
62.5
47.5
25
15.5
66.5
50
25
19
70
50
25
19
75
56
28.5
19

Source: Welding Handbook, 3rd edition, American Welding Society, 1950.

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