Guides & Resources
Practical, technical guides on stainless steel passivation, pickling, weld cleaning, and corrosion resistance — from a manufacturer that's made these products for over 50 years.
How to Remove Heat Tint & Weld Discoloration from Stainless Steel
Heat tint after welding stainless steel weakens corrosion resistance. Learn what causes weld discoloration and the fastest, safest ways to remove it and re-passivate.
6 min read
The Complete Guide to Stainless Steel Passivation
What passivation is, why stainless steel needs it, the ASTM A967 methods (nitric, citric, and fluoride), and how to test the result. A practical guide.
8 min read
Pickling vs. Passivation: What's the Difference?
Pickling and passivation are not the same thing. Learn what each does to stainless steel, when you need one or both, and how to choose the right treatment.
5 min read