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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
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Chemical composition |
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Chemical composition |
Ductile Cast Iron Pipe(%) |
Grey iron pipe(%) |
Steel pipe(%) |
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C |
3.5-4.0 |
3.2-3.8 |
0.1-0.2 |
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Si |
1.9-2.6 |
1.4-2.2 |
0.15-0.4 |
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Mn |
0.15-0.45 |
0.4-0.6 |
0.3-0.6 |
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P |
less than 0.06 |
less than 0.3 |
0.02-0.03 |
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S |
less than 0.02 |
less than 0.1 |
0.02-0.03 |
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Mg |
0.03-0.06 |
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Process and testing:
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a) Blast furnace (Analysis of raw materials test ) |
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b) Mg treatment (Micro & chemical composition test) |
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c) Pipe spinning (Temperature test) |
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d) Heat treatment (Micro structure; Flattening test) |
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e) Zinc coating (Thickness testing) |
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f) Dimensional checks (Thickness & Dia. testing) |
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g) Hydraulic test (Pressure test) |
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h) Internal lining (Thickness testing) |
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i) External coating (Thickness test) |
Mechanical joint pipe and fittings are also available.
Packing: 20 , 40 or bulk shipment .
