Objective 01: Purpose of Welding Symbols

Question 1

Where are Welding Symbols used?

Answer 1

Construction drawings where metal-to-metal joints require welding

Question 2

What is the purpose of Welding Symbols?

Answer 2

For each welded joint on the drawing there is a symbol, which is intended to provide the person performing the weld with all the information necessary to successfully complete the required weld

Question 3

What information is provided by Welding Symbols?

Answer 3

1. The type of weld or welds required at the joint
2. The exact location of the weld on the joint
3. The size of the weld or welds
4. The spacing of welds if more than one is used on a joint
5. Special procedures or notes with respect to the weld

Question 4

Why must Welding Symbols be standardized?

Answer 4

1. To ensure they are consistently applied to engineering drawings
2. So welders can accurately interpret drawings and correctly produce the specified welds

Question 5

What standard is used in America for Welding Symbols?

Answer 5

American Welding Society (AWS)

Question 6

What standard is used in Canada for Welding Symbols?

Answer 6

Canadian Standards Association (CSA)