... H18,H22,H24,H26Good quality, delivery timely.Aluminum sheet / Aluminum plate:1. Alloy:1050,1060,1070,1100,1200, ... corrosion, oil stains, puckering slits, scratches visible striation, rolled marks, shaken traces, cross grain or other defects;3) ... no shipping spots, rolled marks, abrasive marks or dark lines;4) no ... as possible8.Packing details: high quality aluminum plate(sheet)