Product Description Zhengde Ductile iron pipe is a type of cast iron, an alloy of iron, carbon and silicon. Graphite in ductile iron exists in the form of spheroids. Generally, the size of graphite is ...View More
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Customized 8 Inch Large Diameter Coating K7 K9 Class Ductile Cast Iron Pipe 800mm Ductile Iron Pipe 300mm Prices Per Ton for Sale