Ductile Iron Pipe of China DN150-DN1000 EN545/EN598/ISO2531 High Quality

Ductile Iron Pipe of China DN150-DN1000 EN545/EN598/ISO2531 High Quality

Ref Price:: $480.00 - 506.00 / m.t.

Loading Port:: China main port

Payment Terms:: TT or LC

Min Order Qty:: 25 m.t.

Supply Capability:: 300000 m.t./month

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1,Ductile Iron Pipe Description :

1) Pipes confirm to ISO2531,K9 class,T type joint,6m long,with inside cements lining conform to ISO4179, outside Zinc spraying(130g/m2) and bitumen coating(70μm) conform to ISO8179.

2) Pipe ends: Spigot and socket ends, with 100% SBR rubber gaskets accoding to ISO4633

3) we can do third party inspection according to customer's request.

2,Main Features of the Ductile Iron Pipe:

·High yield strength

·High tensile Strength

·High corrosion resistance

·Pressure Resistence

·Anti-corrosion

3,Ductile Iron Pipe Images:

Ductile Iron Pipe of China DN5600 High Quality

4. Ductile Iron Pipe Specification

Surface Finishes:Bare, Oiled, Mill Varnish, Galv,FBE, FBE Dual, 3LPE, 3LPP, Coal Tar,Concrete Coating and Tape Wrap
End Finishes: Beveled, Square Cut, Threaded, hat
Additional Services: Internal Coating
Packaging: packed in bag, plastic bag, steel strip, steel wire,double wire, iron box, wooden box,

Test :X-ray, UT, magnetic particle,inspection,hydrostatic test.
Processing service :Beveling, Threading, Slotting, Cut-to length, Bends, Quench and Temper, Fabrication, Double-jointing and On-site assistance
Documentary MTC: material certification,Origin certification, CI or PI,Test Report, export licence, handling order, B/L,insurance policy,shipping instructions, contract, packing list etc.

5.FAQ:

We have organized several common questions for our clients，may help you sincerely：

1.Q: Why would you choose ductile iron pipe rather than other pipe materials?

A:The reasons are obvious for that not only ductile iron pipe possesses the inherent strength and flexibility of ductile iron, combined with proven corrosion protection systems, but also the cost savings can be achieved from design to installation and commissioning.

2.Q:Why can you guarantee the inner of pipes can’t be corroded?

A: High alumina cement mortar lining and sulphate-resistant cement mortar lining. These two special linings are applicable to inner anti-corrosion for sewage pipes, improving resistance to erosion of the sewage components.

Q:Can ductile iron pipes be used for underground cable conduits?: Yes, ductile iron pipes can be used for underground cable conduits. Ductile iron pipes are known for their strength, durability, and corrosion resistance, making them suitable for various applications, including underground cable conduits. Their ability to withstand heavy loads and external pressures makes them a reliable choice for protecting and housing underground cables.

Q:What is the typical pressure rating of ductile iron pipes?: The pressure rating of ductile iron pipes varies depending on the application and size, typically designed to endure high pressure levels. In water and wastewater systems, for instance, ductile iron pipes generally have a pressure rating of 250 psi or higher. In industrial applications like oil and gas pipelines, larger pipes can have a pressure rating ranging from 350 psi to 500 psi or more. To determine the precise pressure rating for a specific ductile iron pipe, it is crucial to consult the manufacturer's specifications and industry standards.

Q:Can ductile iron pipes be used for geothermal energy systems?: Certainly, geothermal energy systems can utilize ductile iron pipes. Ductile iron, being a robust and long-lasting substance, possesses the capacity to endure the frequently encountered elevated temperatures and pressures in geothermal energy systems. Its ability to resist corrosion and exhibit high tensile strength renders it a perfect selection for conveying geothermal fluids. Furthermore, the ease of joining ductile iron pipes permits flexibility and adaptability during the design and installation phases. All in all, ductile iron pipes prove to be a trustworthy and economically viable alternative for geothermal energy systems.

Q:How is ductile iron pipe protected against external corrosion?: Ductile iron pipe is protected against external corrosion through a process called external coating. This involves applying a layer of protective coating, such as asphaltic or epoxy, on the outside surface of the pipe. The coating acts as a barrier, preventing moisture and corrosive substances from coming into contact with the iron, thus reducing the risk of corrosion. Additionally, cathodic protection methods, such as applying sacrificial anodes or using impressed current systems, may be employed to further enhance the corrosion resistance of the ductile iron pipe.

Q:How does ductile iron pipe perform in areas with high soil stability?: Ductile iron pipe performs exceptionally well in areas with high soil stability. Due to its inherent strength and durability, ductile iron pipe can withstand the pressure exerted by the soil without any significant deformation or failure. The high soil stability ensures that there are minimal ground movements, settling, or shifting, which further contributes to the excellent performance of ductile iron pipe. In areas with high soil stability, the pipe is less prone to experiencing external forces or stresses that could potentially cause damage. Ductile iron pipe has a high resistance to corrosion, abrasion, and impact, making it highly suitable for such conditions. The material's robustness allows it to withstand the weight and pressure of the soil, ensuring the structural integrity of the pipe is maintained over time. Moreover, ductile iron pipe's flexibility and joint design contribute to its performance in areas with high soil stability. The pipe's ability to accommodate small movements and minor ground shifts without compromising its integrity is advantageous in these stable soil conditions. The restrained joint system used in ductile iron pipe installations provides additional support and stability, minimizing the risk of pipe dislocation or failure. Overall, ductile iron pipe is a reliable and efficient choice for areas with high soil stability. Its strength, durability, and resistance to external forces make it well-equipped to handle the demands of such environments. Additionally, the pipe's flexibility and joint design ensure that it can adjust to minor soil movements, thus further enhancing its performance in these conditions.

Q:How does ductile iron pipe perform in high-velocity flow conditions?: Ductile iron pipe performs well in high-velocity flow conditions. Its inherent strength and durability make it resistant to the forces of high-velocity flow, minimizing the risk of damage or failure. The material's ability to withstand pressure surges and turbulence ensures reliable performance even in demanding flow conditions.

Q:Are ductile iron pipes suitable for installation in areas with high groundwater contamination and soil erosion?: Areas with high groundwater contamination and soil erosion are typically well-suited for the installation of ductile iron pipes. This is due to the fact that ductile iron pipes are renowned for their durability, strength, and corrosion resistance. They exhibit exceptional resistance to acidic and alkaline soils, rendering them appropriate for regions with elevated levels of groundwater contamination. Moreover, the robust construction of ductile iron pipes grants them a formidable resistance to soil erosion. They are engineered to endure a range of external forces, including the pressure exerted by the surrounding soil and the potential movement resulting from erosion. Consequently, they are a dependable choice for installation in areas prone to soil erosion. Nonetheless, it is vital to acknowledge that while ductile iron pipes can withstand high levels of groundwater contamination and soil erosion, the implementation of proper installation techniques and maintenance practices is crucial to ensure their longevity and optimal performance. Regular inspections, meticulous backfilling, and the application of suitable protective coatings should be employed to maximize the lifespan of the pipes. To sum up, ductile iron pipes are generally well-suited for installation in areas characterized by high groundwater contamination and soil erosion. Their durability, strength, resistance to corrosion, and high resistance to soil erosion establish them as a reliable choice for such environments. However, adhering to proper installation and maintenance practices is imperative to guarantee their longevity and optimal performance.

Q:Are ductile iron pipes prone to external corrosion?: Yes, ductile iron pipes are prone to external corrosion.

Q:Can ductile iron pipes be used for submarine pipelines?: Submarine pipelines can indeed utilize ductile iron pipes. Ductile iron, celebrated for its robustness and durability, proves suitable for a range of applications, including those submerged underwater. For decades, ductile iron pipes have been successfully employed in the construction of submarine pipelines. They possess the ability to endure the harsh conditions prevalent in underwater environments, such as corrosion, pressure, and shifting seabeds. Furthermore, ductile iron pipes display exceptional resistance to external loads, rendering them ideal for submarine pipelines that bear the weight of water and potential impacts. However, it remains imperative to consider factors such as coating, cathodic protection, and proper installation techniques to ensure the long-term performance and integrity of the submarine pipeline.

Q:Why is the sound speed of nodular cast iron lowered after heat treatment?: After the heat treatment, the microstructure of the material changes, the graphite changes, eliminating the internal stress of molecules, thus slowing down the speed.

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