Page 147 - CITS - Welder - Trade Theory
P. 147
WELDER - CITS
7 Single U butt weld (Parallel or sloping
sides)
8 Single J butt weld
9 Backing run; back or backing weld
10 Fillet weld
11 Plug weld; Plug or slot weld/USA
12 Spot weld
13 Seam weld
Weld symbol: It represents the type of weld made on a weld joint. It is also a miniature drawing of any metal edge
preparation required prior to welding,
Welding symbol: The complete welding symbol will indicate to the welder how to prepare the base metal, the
welding process to use, the method of finish and the required dimensions and other details with the basic weld
symbol. They consist of 7 elements as mentioned below. (Fig 1)
1 Reference line
2 Arrow
3 Welding elementary symbols
4 Dimensions and other details
5 Supplementary symbols
134
CITS : C G & M - Welder - Lesson 33 - 43 CITS : C G & M - Welder - Lesson 33 - 43