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Ductile iron pipe

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Product Details

Export Markets:	North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

Specifications

Shanxi kewell industrial co.,ltd produce the 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 Pipes

Specifications:

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 .

Service Process

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