Model:001
Shanxi kewell industrial co.,ltd producethe Ductile cast Iron Pipes with Push on Joint, K9,it confirms to ISO2531-1998 and EN545:2002, including the rubber ring in according to ISO4633, the coating of the pipe is the internally cement mortar lining and externally rich zinc plus bitumen coating . if you have the requirement for them, Please contact us : sx.kewell at yahoo.cn . Ductile Iron PipesSpecifications:Size : DN 80 - 1,200 mm
Standard : ISO 2531 -1998, EN545-2006 ,EN598-2007 K8/k9
Effective length: 6M , 5.7 or 5.6 m Process : centrifugal casting .
Coating : Cement lining inside ( Portland cement line as per ISO4179 ) , Zinc ( at least 130gsm as per ISO 8179) and bitumen coating (at least 70um as per ISO 8179 )outside .
Accessories : Gaskets are NBR ,SBR,or EPDM rubber , tightness ring as per ISO4633
| Chemical composition | |||
| Chemical composition | Ductile Cast Iron Pipe(%) | Grey iron pipe(%) | Steel pipe(%) |
| C | 3.5-4.0 | 3.2-3.8 | 0.1-0.2 |
| Si | 1.9-2.6 | 1.4-2.2 | 0.15-0.4 |
| Mn | 0.15-0.45 | 0.4-0.6 | 0.3-0.6 |
| P | less than 0.06 | less than 0.3 | 0.02-0.03 |
| S | less than 0.02 | less than 0.1 | 0.02-0.03 |
| Mg | 0.03-0.06 | ||
| a) Blast furnace (Analysis of raw materials test ) |
| b) Mg treatment (Micro & chemical composition test) |
| c) Pipe spinning (Temperature test) |
| d) Heat treatment (Micro structure; Flattening test) |
| e) Zinc coating (Thickness testing) |
| f) Dimensional checks (Thickness & Dia. testing) |
| g) Hydraulic test (Pressure test) |
| h) Internal lining (Thickness testing) |
| i) External coating (Thickness test) |
Packing: 20 , 40 or bulk shipment .
