Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ

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Passivating stainless steel with phosphoric acid

I need a small transformer to passivate stainless steel by hand using phosphoric acid. I need one.

Rick Houser
welding - Seattle, Washington, United States
2005

Sorry, I haven't heard of that process so I don't know what size and type of transformer you need.

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
2005

Rick,

Passivation is performed using citric or nitric acid, not phosphoric. Nor is electricity involved in the process, unless you were really thinking of electropolishing. Let us know if we can help.

Ray Kremer
Stellar Solutions, Inc.

McHenry, Illinois

2005

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