1. Steel grating can be divided according to the production method; pressure welded steel grating and pressure locking steel grating.
2. Steel grating can be divided according to the material; general carbon steel grating, and stainless steel grating.
3. Steel grating can be divided according to surface treatment; hot-dip galvanized steel grating, painted steel grating.
4. Steel gratings can be divided according to the scale of use; channel steel gratings, gutter covers, composite steel gratings, plugged steel gratings, and steel grating ceilings.
