An abnormality in the coating of the sheet metal. The amount and characteristic of the coating should be the same on the entire piece of metal. A variation in the amount is a defect.
The Fabricator Blog
Still Building America—Jump into your trade with both feet - by Josh Welton Interested in a career in welding and fabrication? Take advantage of opportunities to learn more, and you might find yourself on a fulfilling career path, just like Jonathan Lewis.
The only North American publication devoted to the metal tube and pipe industry industry and is a trusted source of information for professionals. Subscriptions are free to qualified tube and pipe professionals in North America.
TheFabricator.com provides metal fabrication professionals with market news, the industry's best articles, product news, and conference information from the Fabricators & Manufacturers Association, Intl.