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ductile iron pipe

HeBei Surely Import And Export Co.,ltd
HeBei Surely Import And Export Co.,ltd
City: Shijiazhuang
Province/State: Hebei
Contact Person:
Ms. Allen

ductile iron pipe

Place of Origin : china
Brand Name : surely
Certification : ISO9001
Model Number : DN80-DN2200
MOQ : one twenty-foot container
Price : USD600-900
Packaging Details : DN80~DN300 are bundled with steel belts, others are in bulk condition
Delivery Time : Within 20 days after received your prepayment or workable LC
Payment Terms : LC, TT, Western Union
Supply Ability : 200000 Metric Ton/Metric Tons per Year
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Materials Introduction
Ductile iron, also called Spheroidal graphite (SG), or nodular cast iron. While most varieties of cast iron are brittle, ductile iron is much more flexible and elastic, due to its nodular graphite inclusions.

In ductile iron the graphite is in the form of spherical nodules rather than flakes, thus inhibiting the creation of cracks and providing the enhanced ductility that gives the alloy its name.

Mechanical Properties
PropertiesPipes Centrifugally CastPipes Not Centrifugally CastPipe Fittings
Nominal SizeDN 100 - DN 600
Tensile StrengthMin 420 N/mm²Min 420 N/mm²Min 420 N/mm²
ElongationMin 10 %Min 5 %Min 5 %
HardnessMax 230 HBMax 250 HBMax 250 HB

  • Excellent corrosion resistance
  • No restriction of land geometry
  • Easy installation
  • Ability to be machining, drilling, tapping and cutting
  • High resistance to shock or impact due to improper
    handling, water hammer or undesirable Conditions
  • Suitable for underground pipeline
  • Low maintenance


Centrifugal applied cement mortar lining give a better cement mortar compaction, good adhesion and smooth surface flow area

Centrifugally cast enhance the strength of the pipe. With relative wall thickness, the pipe can withstand high internal pressure of up to 5.0MPa. Ductility and flexibility of Ductile Iron increase the load resistance and good bending strength of the pipe.

1st Layer - Zinc Coating
Protect the pipe by forming a stable protective layer of insoluble zinc salts. It also has self-healing characteristics of any damage and therefore, increases the life span of the pipe.

2nd Layer - Bituminous Coating
Further enhance the corrosion resistance of the pipe. Also serve as a finishing coat.

Connection Type

Flexible Joint
Also known as Socket-Spigot joint, extremely strong and efficient leak-tightness and allow flexibility upto 5° deflection in any direction. Those assembly method advantages over fast jointing and no space restriction even in hardy environment.

Flanged Ended
Flanged Ended pipe in such a way directly attached to flanges whose dimensions and tolerance comply with BS EN 1092-2. This ensures interconnection between all flanged components of the same PN and DN and achieved adequate joint performance.

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