Xinyuantai Pipeline Industry Co., Ltd. explained in detail about ductile iron related knowledge

Xinyuantai Pipeline Industry Co., Ltd. explained in detail that the pig iron-related knowledge of ductile iron is iron-carbon alloy with carbon content greater than 2%. The carbon content of industrial pig iron is generally 2.5%-4%, and contains C, SI, Mn, S, P and other elements are products that have been smelted from blast furnace iron ore. According to the different forms of carbon in the pig iron, it can be divided into several kinds of steel-making pig iron, foundry pig iron and ductile iron.
The precipitated graphite is a spherical cast iron. Spheroidal graphite has a smaller effect on the separation of metal matrix than flake graphite, so that the strength of cast iron reaches 70-90% of the strength of matrix structure, tensile strength can reach 120kgf/mm2, and it has good toughness. The chemical composition of ductile iron other than iron is usually: carbon content 3.6 ~ 3.8%, silicon content of 2.0 ~ 3.0%, containing manganese, phosphorus, sulfur total amount does not exceed 1.5% and the amount of rare earth, magnesium and other nodulizers.
The ductile iron information comes from the professional production of ductile iron pipe manufacturers, the source URL.

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