Coatings and Fabrication
Cleanliness The last three of these specifications requires all the mill scale, rust, and old paints to be removed. All that can remain on the surface are stains of these contaminants. The following amount of stains is allowed (by visual estimation). #183; Class 2 33 percent of each sqcm, #183; Class 2 1/2 5 percent of each sqcm #183; Class 3 none. The most common tools used in the industry to