Cleaning, Descaling, Pickling & Passivation — More Than Just Stainless Steel What is it? These are chemical cleaning practices used to remove rust, mill scale, oil, and fabrication residues from stainless steel, carbon steel, and mixed-metal systems before commissioning or return to service. Why is it needed? Metal contamination leads to corrosion, reduced efficiency, and early failure. Proper surface preparation ensures equipment performs as designed. Why it matters ✔ Longer equipment life ✔ Be