Treating cold rolled or galvanized steel surfaces with phosphate to improve paint-adherence.

A coating defect consisting of randomly spaced small depressions in the cured film. Pitting is similar to pinholing, except that pits do not expose the bare substrate.

1. Area on the Pickler where the strip is sidetrimmed (slit) to its proper width. 2. Sidetrims the edges of the strip to certain width in the customer’s specifications, or the vertical cutting of coil [..]

A coating in which the film forming ingredients are dissolved in or suspended in a volatile system containing water as the major solvent.

Also the scale weight. The customer buys by the actual (scale) weight of the steel. The theoretical weight is used in estimating, however, it is not to be used for billing.

A coating defect consisting of the adhesion of two adjoining coatings or materials. Usually this term refers to the coating on one side of coated plate being tacky or sticky and adhering to the adjace [..]

A coating defect consisting of the migration of an ingredient, in the coating, to the surface of the cured film. Usually blooming refers to waxes or lubricants, which rise to the surface and cause a h [..]

A coating defect consisting of a lower coating film weight on the bottom of the coated sheet caused by high velocity air in the oven. Blow back usually occurs with high solids coatings which have litt [..]

A coating defect consisting of the whitening of a cured film which results in a translucent or opaque appearance with accompanying loss of gloss. Blushing usually occurs during the pasteurization or s [..]

A process of annealing a ferrous alloy in a suitable closed metal container, with or without packing material, in order to minimize oxidation. The charge is usually heated slowly to a temperature belo [..]