Aluminum and its alloy strip Standard : GB/T8544-97 Specification 0.2-6.0X12-2400XC Temper O+¼+½H12+¼+½H14+¼+½H16+¼+½H18+¼+½H19+¼+½H22+¼+½H24+¼+½H26+¼+½H32+¼+½H34+¼+½H36+¼+½H38+¼+½H39 Material L1-L6+¼+½2A02+¼+½2A06+¼+½2A11+¼+½2A12+¼+½2A13+¼+½2A14+¼+½2A16+¼+½2A50+¼+½2A70+¼+½2A80+¼+½2A90+¼+½3A21+¼+½3003+¼+½5A02+¼+½5A03+¼+½5A05+¼+½5A06+¼+½5A12+¼+½5052+¼+½5083+¼+½6061 1.Thickness Range: 0.4mm+¼_T+¼_1.0MM. 2.Width Range: 200mm+¼_W+¼_1450mm. 3. Surface Finish Bright & smooth surface, without flow lines, slightly oiled to avoid White rusting. 4. Quality of material: Totally free from defects like White Rust, Oil Patches, Roll Marks, Edge Damage, Camber, Dents, Holes, Break Lines, Scratches and free from coil set.