Perforated Size: From 3 mm. to 120 mm. Sheet Thickness: From 0,5 mm to 5 mm. (depending on perforation). Size: 2.000 mm. wide in sheets (depending on perforation). 1.500 mm. wide in roll (depending on perforation). The maximum width we can provide for perforated metal up to is 2mt, the preferred maximum is 1.5mt. The maximum length we can perforate up to is 6mt, the preferred maximum is 4mt. The most common material types are mild steel, Pre-galvanised mild steel, stainless steel, aluminium, brass, etc. Perforated metal is used in many applications such balustrade infill, acoustics, security screens, air-condition units, radiator covers, screening, and display units.