The meaning of gray iron

- Aug 20, 2018 -

Gray iron refers to the cast iron with flake graphite, which is called Gray cast iron because of its dark grey in fracture. 

The main components are iron, carbon, silicon, manganese, sulfur, phosphorus, is the most widely used cast iron, its output accounted for more than 80% of the total cast iron.

According to the form of graphite, gray cast iron can be divided into: ordinary grey iron, graphite is flake; ductile iron, graphite is spherical; malleable iron, graphite is a pellet, vermicular graphite is a worm.