Welding On Drawing. Drawings should contain enough information to aid the welder to produce the weldment. They show all details that are necessary to understand the basic shape and locations of other components.
You can also find a tail at the opposite end of the reference line which then branches off in two different directions. The tail is an. Detail drawings shall clearly indi-cate by welding symbols or sketches the details of groove welded joints and the preparation of material re-quired to make them.
Weld symbols come with an arrow that points to the direction of the drawing where a weld needs to be made.
Both width and thickness of steel backing shall be detailed. Here you will learn to use the most common symbols and their meaning and their application. The position of the symbol on the reference line has significance. Using a particular structure the welding symbols are drawn that explain the type and direction of the weld.