|Pipe Wall Thickness:||K||Material:||Ductile Iron|
|Application:||Sewage||Yield (≥ Mpa):||420Mpa|
concrete lined ductile iron pipe,
cement lined pipe
Water Line Cement Lined Carbon Pipe With Yield Min420 Mpa EN Standard
EN Standard Ductile Iron Pipe with yield min420 Mpa For Water line overview:
Ductile cast iron is kind of alloy of iron, carbon and silicon, in which graphite exists in the type of spherical, generally the size of graphite is 6-7 class, and spheriodization grade of the pipe should be controlled 1-3 class(spheroidization rate is not below 80%). Thus after spheroidization, ductile cast iron possesses the nature of iron as well as the characteristic of steel. After annealing, its microstructure contains ferrite and a little pearlite possessing excellent mechanical properties. All pipes conforming to EN598 shall be delivered with an external coating of zinc with finishing layer and an internal lining of high alumina cement mortar,This shall not preclude special coating arrangements for products which deviate from the requirements for specific design reasons.
This European Standard specifies the requirements and associated test methods applicable to ductile iron pipes, fittings, accessories and their joints for the construction of drains and sewers outside buildings:
This European Standard applies to pipes, fittings and accessories which are:
This European Standard specifies requirements for materials, dimensions and tolerances, mechanical properties and standard coatings of ductile iron pipes and fittings. It also gives performance requirements for all components including joints. Joint design and gasket shapes are outside the scope of this European Standard.
Table 1 — Limit deviation on internal diameter
Limit deviation a
|80 to 1000||- 10|
|1100 to 2000||- 0,01 DN|
|a The lower limit only is given.|
Pipes shall be supplied to the standardized lengths given in Table 2.
Table 2 — Standardized length of socket and spigot pipes
Standardized length Lu a
|80 to 600||3 or 5 or 5,5 or 6|
|700 to 800||5,5 or 6 or 7|
|900 to 1400||6 or 7 or 8,15|
|1500 to 2000||8,15|
Packing: bundled with steel belts or in bulk
Shipment: in bulk or container.
Much of the production of ductile iron is in the form of ductile cast iron pipe, used for water and sewer lines. Ductile cast iron pipe is stronger and easier to tap, requires less support and provides greater flow area compared with pipes made from other materials like PVC, concrete, polyethylene or steel. Ductile Iron Pipe is the most widely-used pipeline product in water supply and water drain/sewage projects.
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