Trench Drain Cover Galvanized Steel Grating

Trench Drain Cover Galvanized Steel Grating  The manufacture types of galvanized steel grating: be made by welded or press-locked cross bar and bearing bar. The surface treatment is hot dipped galvanized, a stable protective film will be formed on the zinc surface, it is resistant to corrosion, resistance to acid and alkali, have a long-term service life. So, the hot dipped galvanized steel grating as trench drain cover is a good choose. The hole size, width, length, bearing bar and cross bar of grating all can be customized.  Specification of steel grating The material : low carbon steel and stainless steel  The size of flat steel: 20x5mm, 25x5mm, 30x3mm, 30x5mm, 40x3mm, 40x5mm, 50x5mm, 60x5mm, etc. The common hole : 30x100mm                                  50x100mm Shape: I Shape, Tooth Shape, Flat Shape…