Contributors in Aluminum
Aluminum
Traffic mark
Metals; Aluminum
Abrasion which results from relative movement between contacting metal surfaces during handling and transit. A dark colour from the abrasively produced aluminium oxide is usually observed. A mirror ...
Torn surface
Metals; Aluminum
A deep longitudinal rub mark resulting from abrasion by extrusion or drawing tools.
Butt-welded tube
Metals; Aluminum
A welded tube, the seam of which is formed by positioning one edge of the sheet against the other for welding.