Philip G. Rahrig


American Galvanizers Association
6881 South Holly Circle, Suite 108
Englewood, CO 80112

Batch hot-dip and inline galvanizing

April 11, 2002

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The two most common methods of applying zinc metal to steel handrail tubing are batch hot-dip galvanizing and inline, continuous galvanizing. The batch hot-dip method provides a coating thickness approximately 3 times that of the inline method, and a coating that lasts approximately 3 times as long. However, for indoor applications that do not require more than 500 PSI of bond strength, inline galvanized tube can be cost-effective.

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