Stainless steels shall be cleaned with new, uncontaminated aluminum oxide grinding wheels and stainless steel wire brushes.
All materials shall be free of sharp edges and burrs regardless of subsequent fabrication steps.
Surface of finished welds and adjacent base metal must be clean and free of scale, weld spatter and other imperfections which may obstruct proper NDT and/or coating.
Visible deposits of oil, grease, coolant and/or other liquids must first be cleaned off before continuing with this procedure.
Customer/project/contract specific requirements augment or supersede this procedurs