32*5 galvanized steel drain grate for garage drainage channel 32*5mm hot dip galvanized steel bar grating

Steel grating plate is a kind of steel product with square grid in the middle by welding machine or manual welding with cross arrangement of bearing flat steel and cross bar according to a fixed spacing. The cross bar is generally twisted square steel, round steel or flat steel, and the material is divided into carbon steel and stainless steel. Steel grating is mainly used as steel structure platform plate, ditch cover plate, step plate of steel ladder, suspended ceiling of building, etc. Steel grating is generally made of carbon steel, and the surface is treated with special hot-dip galvanizing. Its chemical and physical properties are stable, and it is not easy to be corroded and oxidized by air and microorganisms. The use time is as long as 40-60 years.