David Hass

Your customer wants two pieces of metal welded together. Why should you bother with a welding procedure specification? Because conformity leads to quality and enhances safety.

Nguyen needs his titanium eyeglasses repaired and wants some expert advice about how this can best be achieved. The answers to his questions about the process provide valuable insight into some aspects of welding titanium.

Fabricating a titanium stovepipe hat assembly had one shop perplexed. What was causing the material to turn blue, warp, and crack? Why was it so difficult to make this part fit into the next assembly?

"Titanium need not be all that hard to weld!"The American Welding Society (AWS)1said it, and I agree. Well-done titanium welds look like frozen mercury: shiny and reflective. A couple of basic factors make titanium different from other metals. These unique characteristics, and a lack of...