Forging Nodular Iron Centrifugal Cast Pipe MouldFor Water Supply Quick details 1.Material:20CrMo,30CrMo 2.Outer Diameter 800mm 3.The max Length:8000mm. Specifications: ---- Name | Pipe Mould | Manufacture Technique | forging and machining | Material | 20CrMo;30CrMo;21CrMo10, 42CrMo, 35CrMo , etc | Outer Diameter | 800mm | Inner Diameter | 600mm | Length | 8000mm | Roughness | Ra 1.6 | QT Hardness | HB240-280 | Tolerance mm | 0.1 | Coaxiality mm | 1.1-1.9 | Taper mm | 0~1 | ---- Pipe mouldis forging steel pipe mould.Forging steel pipe mould is forged by hydraulic machine and machining on the lathe. It is applied topetroleum,water supply etc. Making process: steel ingot-forging-rough machining-UT-boring-QT-2th rough machining-enlarge hole-vibration aging-lightly boring-finished boring-oiling-packing-delivery Applications: Pipe mould can make various pipe, such aspetroleum and water supplyetc.