APPLICATION: Common or obvious surface imperfections@ which sometimes occur in sheet steel@ are normally visible to the naked eye before or after fabrication. Illustrations and definitions of these imperfections are contained in this SAE Information Report.
SAE J810-1980 history
1996SAE J810-1996 Classification of Common Surface Imperfections in Sheet Steel
1987SAE J810-1987 CLASSIFICATION OF COMMON IMPERFECTIONS IN SHEET STEEL
1980SAE J810-1980 Classification of Common Imperfections in Sheet Steel