... 92 implementation.or as your requirements USES Galvanized steel grating used in alloys, building materials, power plants, boilers,shipbuilding, petrochemical, ... and durable, easy cleaning, convenient installation.Bridge plate steel grid plate at home and abroad have been used ... A36, A1011, A569, Q235, S275JR, SS304, Mild steel & Low carbon steel, etc 5 Surface Treatment Black, self colour, hot dip ...