Welding gauge By Noel Mades Posted on August 10, 2018 In No Comments Tweet Pin It A welding gauge is a tool use to measure the thickness of a fillet weld on a steel structure. About the Author Noel My Other Posts Hi! I am Noel Mades. I am the author of this site. Welcome, and thank you for visiting my site. Leave a Reply Cancel reply This site uses Akismet to reduce spam. Learn how your comment data is processed.