Professor Hammer’s Metalworking Tips: Removing “rainbow discoloration on stainless steel

Welding polished stainless steel often causes a particular type of “rainbow†discoloration. This month’s column tells you how to remove this coloring. Full article: https://goo.gl/BEYht4 Republished by Blog Post Promoter

Welding polished stainless steel often causes a particular type of “rainbow†discoloration. This month’s column tells you how to remove this coloring.

Full article: https://goo.gl/BEYht4

Republished by Blog Post Promoter