Coal tar enamel coated steel pipe and process for same

Details Coal tar enamel coated steel pipe and process for same Coal tar enamel coated steel pipe and process for same

1995-06-07

1998-02-03

Scherbel, David

Pipes and tubular conduits

Distinct layers

Coated

138143, 138139, F16L 9147

Patent

active

057133930

ABSTRACT:
Described is a preferred method for manufacturing a coal tar enamel-coated steel pipe, in which a primer coat of epoxy resin is applied to a preheated steel pipe, and coal tar enamel is applied to the primer coat prior to full curing of the latter. The resulting coated steel pipes, which also are described, exhibit excellent resistance to cathodic disbondment, heat and water.

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