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Ted Mooney, P.E. RET

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Thread 570/47

Difference in the longevity of corrosion resistance between zinc plating and stainless steel

I have an indoor application for a product and was wondering about the difference in the longevity of corrosion resistance between zinc plating and stainless steel.

The product is a set of brackets that hold up a copper plate. Between the plate and the brackets is an insulator, so those two metals never come in contact. Stainless steel hardware connects the three items. I did not know if the hardware would damage the plating over time. They are not removed often, but I figured over time....

Gabe Gassner
- Tulsa, Oklahoma, USA
April 15, 2011
publicly reply to Gabe Gassner

Hi, Gabe.

Zinc plating should last pretty much indefinitely in most indoor applications. Homes and offices are full of zinc plating in non-decorative applications. Still, solid stainless steel would be the premium answer.

Regards,

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
April 18, 2011
publicly reply to Ted Mooney

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