Submerged Arc Welding

Question 1

True or False: Submerged arc welding is a fully automated process

Answer 1

true

Question 2

describe the principles of SAW

Answer 2

bare wire electrode is fed automatically from a spool and generates an electric arc to heat metal

powder form flux is fed from the hopper to cover the joint and tip of the electrode

arc creates heat to melt the joint, flux and electrode

slag is formed to create a protective coating for the weld

Question 3

Name the applications for submerged arc welding

Answer 3

steel reinforcing beams

ship building

bridge construction