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Type of acid/solution for s.s etching

Sir:

I am beginner in electropolishing; what type of acid is required for stainless steel etching.

M.Javed Nauman
Scil-wah - Wah Cant, Punjab, Pakistan
2003

Sulfuric acid and phosphoric acid are most common. Most "must-have" plating books have a chapter on this, including the Metal Finishing Guidebook, the Electroplating Engineering Handbook ⇦ this on eBay, AbeBooks, or Amazon [affil links] , and ASM's Metals Handbook Volume 5. Good luck

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
2003

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