Product Description Plain grating, also called plain steel grating, plain bar grating and smooth surface grating, is a type of grating made of plain steel bars. Plain steel grating is the most widely used steel gratings type, which is used in almost all of the applications. Plain grating can be made of carbon steel bar and stainless steel bars. Cross bars of plain bar grating can be crimped bars, which are known as riveted steel gratings, flat square bars which are the press