They can be delivered flat for vibrating screening machines, with or without tensioning hooks, or curved to size for trommels, thickness up to 20 mm.
They assure high impact strength and long wear resistance.
Perforated metals are available in many different qualities of carbon steel, high resistance steel and stainless steel.
Special productions are made on request.
It is the percentage ratio between the open area and the correspondent overall area.The free open area “S” results from the following formulas: