Anticorrosion treatment of nodular cast iron pipe.
Ductile iron castings have been rapidly developed as second only to gray cast iron, which is widely used in cast iron materials.
Compared with gray cast iron, nodular cast iron has an absolute advantage in strength. The tensile strength of nodular cast iron is 60K, while the tensile strength of gray cast iron is only 31k.
Select the lost foam casting sand, according to the casting material, use and process requirements to choose.