... round,trangle, scale hole, it is often strong and wear-resisting,artistiic and generous. Material: Usual use carbon steel, aluminum metal ... , stainless steel metal, nickel metal and so on.Surface treatment: Hot-dipped, electrol galvanized, ... used as steel reinforcement materials in petroleum, chemical industry and building. specification Dia(mm)Thickness(mm)Hole sizeMesh(m) ...