Defect Catalog Extract
Appearance: May have occurence patterns ranging from single to intermittent.
Alternative terms: Roke, Seam, Sliver, Lamination, Blister, Scab.
Appearance: Irregular, flaky. Sometimes overlapping material, which can contain non-metallic inclusions.
Alternative term: Pinch Mark.
Appearance: Single markings of linear form. Material fold, not parallel to strip direction.
Alternative terms: Edge Crack, Edge Break
Appearance: Discontinuations of material from surface to surface at strip edges.
Appearance: Particular or multiple dark spots.
Appearance: Sticker breaks appear as lines of pronounced curved shape.
Appearance: Rust is a surface layer of corrosion products. It appears as mostly
black stains. Shape, pattern and extension may vary considerably.
Appearance: Carbon deposits appear mostly in edge areas as black stains.
Alternative terms: Scale Pit,
Appearance: Dark, sometimes with
bright surroundings. Single spots or streaky
pattern, sometimes irregularly distributed over a large area.
Alternative term: Liquid Residues
Appearance: Usually circular-shaped, dark spots.
Alternative term: Roller Imprint.
Appearance: Occur as marks at certain intervals.
Alternative terms: Imprint, Indentation.
Appearance: Dents are indentations or depressions on the strip surface which occur periodically.