164 Machine Drawing
dharm
d:\N-Design\Des11-1.pm5
Table 11.2 Supplementary welding symbols
Shape of weld surface Symbol
(a) Flat (usually finished flush)
(b) Convex
(c) Concave
Table 11.3 Combination of elementary and supplementary symbols
Designation Illustration Symbol
Flat (flush) single-V butt weld
Convex double-V butt weld
Concave fillet weld
Flat (flush) single-V butt weld with flat
(flush) backing run
Table 11.4 Combination of elementary symbols (contd.)
No. Designation Representation Symbolization
symbol either or
(For number
refer to Illustration
Table 11.1)
- Square
butt weld
2
welded from
both sides
2–2
2.
Single-V
butt weld
3