steel grating

Description

1. Grating has powerful ability for supporting repeatedly load and impulsive force, and its durability is outstanding. 2. Because of big opening area, grating has good drainage function, and it can be kept hygienic. 3. Construction is simple, and cleaning is easy. Having corrosion resistance after galvanized, so it is economical. 4. For various types of Grating, you can select to use according to different places. 5. Strict management of quality can assure you the reliable products. Surface treatment mode of grating 1. Hot dipped galvanization: galvanization should be carried out after edge welded. When bearing bar is not less than 5mm thick, the average zinc layer weight after galvanized is not less than **0g/m2. When bearing bar is less than 5mm thick, the average zinc layer weight after galvanized is not less than **0 g/m2. After galvanized, the quantity should comply with the standard of GM/T ****2. 2. Painting: using spray painting, brush or dipped method to gain the protection layer. 3. Surface is untreated.