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Coating Process of Epoxy Coated Steel Pipe

Mar. 30, 2018

The quality inspection of coating process mainly includes the following steps:

(1) Inspection before coating of steel pipe: no crack, debris and other quality defects, such as no grease and flux on the surface, etc.

(2) Surface inspection of steel pipe after shot blasting: the surface roughness of the steel pipe should reach 65 to 90 microns.

(3) Inspection of spraying process: the wet film thickness meets the requirements, and the appearance should be continuously flat and without flow.

(4) Inspection after curing: after coating, the surface of the steel pipe is visually inspected, and the coating color is uniform and continuous.

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