Industrial Cast Manhole Cover, Gray Cast Iron

Product Description

Gray cast iron is used to make manhole covers. Special manhole covers, such as those found near airport terminals, are made of ductile cast iron because of their superior strength. Gray cast iron is made up of the components iron and carbon and silicon as alloying ingredients. A removable plate forming the lid over the opening of a manhole, an opening large enough for a person to pass through that is used as an access point for an underground vault or pipe, is known as a manhole cover or maintenance hole cover. In black, for use at home, in hospitals, and in other settings. You can rely on the quality. inside a strong iron, road ensures long-term quality Hole Cover is also used to cover subterranean water tanks.