Perforated metal mesh Material : Carbon steel ,Galvanized steel , Stainless steel Aluminium zinc steel Thickness : 0.15-15m Perforated sheet mesh Material : Carbon steel ,Galvanized steel , Stainless steel ,Aluminium ,Aluminium zinc steel Thickness : 0.15mm ... according to customers' request . Margins Margins are the blank (un-perforated)area along the edges of the sheet , normally the margin ...