Civil Engineering Reference
In-Depth Information
of studs to the right. The number of studs is placed in brackets below
the symbol as shown in
Fig. 13.3
.
3/8
6
(20)
13.3
Symbol for 20
studs, 3/8 inch in
diameter with 6 inch
spacing (AWS).
As well as, or in place of, the weld symbol, a stud weld can be
indicated by code numbers or letters, described in Section 15. The
ISO code for stud welding is 781 and the letters used by AWS are
SW, these indications being placed in the tails of the reference lines
(see
Fig. 13.4
). It should be noted that the numbers and letters in the
tail do not provide complete information about the welding process,
which may be capacitor discharge, arc stud, friction welding, etc.
This information should be given in a note on the drawing or in a
Welding Procedure Specification (WPS).
781
SW
13.4
ISO numbers and AWS
letters for stud welds.
