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

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Weldability differences of galvanized steels

I am looking at manufacturing a part comprised of 20 gage galvanized steel. I would like to weld the part versus having to add-on additional components (mainly rivets) and operations (holes for the rivets). My question is which (if either) is better suited for spot welding, electro-galvanized or hot-dipped galvanized?

Thanks!

Dave Ondracek
Weldability - Wauwatosa, Wisconsin
2004

Neither. Galvanneal would work best.

Mike Stroia
Galvanizing - Canton, Ohio, USA
2004

Welding will destroy both hot dip galvanizing and electroplated zinc. By "electro galvanizing" I assume you mean electroplating? In both the zinc layer will vapourize at welding temperatures.

Geoff Crowley
Crithwood Ltd.
Westfield, Scotland, UK

2004

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