... metal diamond mesh 1. Long way of mesh 12.5-200mm 2. Short way of mesh 5-80mm 3. Thickness 0 ... , Al-Mg alloy, copper or nickel. Process: Punched into holes of diamond shape, square, round, triangle, scale hole. General Use: ... looking, expanded sheet metal mainly serves to construction of railway, roads, buildings; Also protection of machines, electrical appliances, windows and acquatic products ...