Main Materials Plain steel, mild steel, carbon steel, stainless steel (302, 304, 304L, 316, 316L), aluminum, copper, brass, pre-galvanized steel, hot or cold galvanized steel, etc. Surface Treatment: Electric galvanized, hot-dipped galvanized, PVC coated, powder coating, oxidation treatment, etc. Width by Length: 1000 x 2000 mm to 2000 x 6000 mm or according to customer's requirements. Standard Sizes: 1000mm Ã?? 2000mm, 1000mm Ã?? 2400mm, 1200mm Ã?? 2400mm. Hole Patterns: Round hole, square hole, slotted hole, hexagonal hole, decorative hole. Hole Diameter: 0.2 100 mm. Margin Types: Safe margins or no-margins.