ductile iron pipe

Mechanical joint pipe and fittings are also available.

Packing: in bulk or 20' container

10)  Composition:
a)  C: 3.4 - 3.7%
b)  Si: 2.0 - 2.4%
c)  P: <0.08%
d)  S: <0.015
11)  Pull strength: >420MPa
12)  Yield: >10%
13)  Hardness: <230HB
14)  K type mechanical joint with flange and bolts available
15)  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)

Specifications:
1)  The standard of pipe: ISO 2531 - 1998, EN545-2002 , K9
2)  Effective length: 6M when using bulk shipment way, or about 5.5M or 5.7M when
    in 20' container shipment way
3)  Inner cement line: Portland cement line as per ISO4179
4)  Zinc coating: at least 130gsm as per ISO 8179
5)  Bitumen painting: at least 70um as per ISO 8179
6)  Gaskets are NBR rubber, natural rubber, SBR rubber or EPDM rubber
    tightness ring as per ISO4633
7)   DN 80 - 1,600 mm
8)   High strength, lighter than gray iron, good corrosion resistance, no furring,
    small flow resistance, easy fixing, long life time
9)   Checked by automatic inspection equipment

pipe

pipe
The standard of pipe: ISO 2531 - 1998, EN545-2002 , K9

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