castiron drainage pipe:1.Material: Ductile iron,Website:http://www.sdwfweijia.com, Stainless steel , Steel, Grey iron, Aluminium alloy, Copper alloy etc. ... , Pin Gauge, Thread Gauge, Height Gauge, etc.7.Weight: 0.1-3000kgs.8.Application: Machinery Parts, Construction Industry, etc.9.Package ...