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                Ductile Iron
                ¡¡It is a kind of alloy consisting of iron, carbon and silicon, in which carbon exists in the form of free spherical graphite.

                ¡¡In gray iron, the flake graphite will bring ¡°rupture¡± effect to the iron base and thus crack it.In ductile iron, the spherical graphite will eliminate this destructive effect, and make it strong and tough.Ductile iron possesses the essence of iron and performance of steel.

                   
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