Stair tread steel grating can also be called grating step, steel stair tread or stair grating, is made of low carbon steel or stainless steel. The tread is a kind of deep-processed product composed of steel gratings, anti-skid strips and side plates. As it is mainly used as the tread of steel ladder, it is usually called the stair tread. It is one of the most widely used and popular types of steel gratings.