Ductile iron pipe

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

Process and testing:

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)

Mechanical joint pipe and fittings are also available.
Packing: 20 , 40 or bulk shipment . 

Ductile iron pipe