"black ductile iron pipe tube"

الأنابيب المعدنية المستديرة القابلة للتقليد الحديدية الصبغية الأسود

Ductile iron pipes refer to pipes that are cast by high-speed centrifugal casting using a centrifugal ductile iron machine after adding nodulizing agent to cast molten iron above No. 18. They are referred to as ductile iron pipes, ductile iron pipes and ductile cast pipes. It is mainly used for the transportation of tap water and is an ideal material for tap water pipelines. Technical Specification of Ductile lron Pipes and Fittings The ductile iron materia features similar