What is Passivation for Stainless Steel Welds?

What is passivation, and why is it so essential for your stainless steel welds? Contrary to popular belief, stainless steel can still corrode. After welders weld on stainless steel, you’ll notice that they often clean the welds with a variety of different chemicals, including nitric acid and “pickling paste” which contains hydrofluoric acid. This cleaning …

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