Ductile Iron Pipe of China C25 DN250 EN545/EN598 On Factory Price
- Ref Price:
-
$491.00
/ m.t.
- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 50000 m.t./month
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Quality Product, Order Online Tracking, Timely Delivery
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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.
4) Our products have been sold to many international market, such as Middle East and South East Asia and Africa.
2,Main Features of the Ductile Iron Pipe:
•High yield strength
•High tensile Strength
•High corrosion resistance
•Pressure Resistence
•Anti-corrosion
•Installation is convenient
•Satisfy the highest hygienic standards
Packing and Shipping
• standard export package(carton/wooden case/pallet)
• accept FOB,FAS,CNF,CIF door to door etc or customer designated shipping agent
Service
• Drawing: we can translate your original drawing, offer best suggestion on design
• Quality: we have full set quality control system to guarantee the best quality.
• Inspection: inspect in house, all our products must be checked 3 times before packing
Inspection
• In-house Foundry
• Third party inspection available upon requirement
Our goal
• To be your preferred partner
3,Ductile Iron Pipe Images:
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, tarpaulin, plastic sheeting
Inspection: MOODY SGS BV GL DNV ABS LIOYD’S
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: Are ductile iron pipes suitable for installation in areas with high groundwater table?
- Indeed, areas with a high groundwater table are suitable for the installation of ductile iron pipes. These pipes are renowned for their exceptional strength and durability, rendering them perfect for underground installations. They possess the ability to endure the external pressure exerted by groundwater without any deformation or collapse. In addition, their outstanding resistance to corrosion shields them from the potentially harmful impact of groundwater. Consequently, ductile iron pipes can be confidently utilized in areas with a high groundwater table, ensuring the establishment of dependable and enduring water supply infrastructure.
- Q: How are ductile iron pipes manufactured?
- Ductile iron pipes are manufactured through a process known as centrifugal casting, which involves the use of a spinning mold. The process begins with the selection and preparation of high-quality ductile iron, which is a type of cast iron that contains small amounts of magnesium to enhance its strength and ductility. First, the ductile iron is melted in a furnace at extremely high temperatures. Once the molten iron reaches the desired temperature, it is poured into a spinning mold. The spinning mold is designed in the shape of a pipe, and it rotates at a high speed to distribute the molten iron evenly along its inner surface. As the mold spins, the molten iron cools and solidifies against the mold walls. This rapid cooling results in a fine-grained structure and enhances the mechanical properties of the pipe, such as its strength and durability. The spinning mold continues to rotate until the pipe has completely solidified, which typically takes a few minutes. After solidification, the pipe is removed from the mold, and excess material, known as the "skin," is removed. The skin is typically removed by machining or grinding to achieve the desired dimensions and surface finish. Next, the pipe undergoes heat treatment to further enhance its mechanical properties and reduce internal stresses. Once the heat treatment is completed, the pipe is thoroughly inspected for any defects or imperfections. This includes visual inspections, non-destructive testing methods, and pressure testing to ensure the pipe meets the required specifications and standards. If any defects are detected, the pipe may be repaired or rejected depending on the severity of the issue. Finally, the pipes are coated with a protective layer to prevent corrosion and enhance their longevity. This coating can be applied through various methods, such as cement mortar lining, epoxy coating, or zinc coating. Overall, the manufacturing process of ductile iron pipes involves melting the iron, centrifugal casting, cooling, skin removal, heat treatment, inspection, and coating. This process ensures the production of high-quality pipes that possess excellent strength, durability, and resistance to corrosion.
- Q: Are ductile iron pipes suitable for use in acidic environments?
- Yes, ductile iron pipes are suitable for use in acidic environments. Ductile iron has excellent corrosion resistance properties, making it a reliable choice for transporting wastewater or other fluids with acidic content. It can withstand the corrosive effects of acids, providing durability and longevity to the piping system.
- Q: Are ductile iron pipes resistant to microbiologically induced corrosion?
- Generally, ductile iron pipes exhibit resistance to microbiologically induced corrosion (MIC). Ductile iron, a variant of cast iron, undergoes treatment involving the addition of magnesium to enhance its strength and flexibility. Consequently, this process forms a protective layer on the iron's surface, rendering it less prone to corrosion initiated by microorganisms. MIC arises when specific bacteria, fungi, or other microorganisms interact with the metal surface of pipes, producing corrosive byproducts. Nevertheless, ductile iron generally resists MIC due to the presence of the protective layer, which acts as a barrier, thus preventing direct contact between microorganisms and the metal surface. Furthermore, ductile iron pipes are often coated with cement mortar or other protective coatings, further bolstering their corrosion resistance. These linings supply an additional layer of defense against microorganisms, reducing the likelihood of MIC. Nevertheless, it is crucial to note that the extent of resistance to MIC can vary depending on the specific conditions and environment in which the pipes are installed. Factors such as water quality, temperature, and the presence of certain microorganisms can influence the susceptibility of ductile iron pipes to MIC. Consequently, it is imperative to consider these factors and implement appropriate measures to prevent MIC. This may include regularly monitoring water quality, maintaining the pipes properly, and employing corrosion inhibitors or biocides when necessary.
- Q: What is the expected fatigue life of ductile iron pipes under cyclic loading?
- The expected fatigue life of ductile iron pipes under cyclic loading can vary depending on various factors such as the magnitude and frequency of the cyclic loading, the quality of the material, the design and installation of the pipes, and the environmental conditions. Ductile iron is known for its high strength and ductility, which enables it to withstand cyclic loading to a certain extent. However, like any other material, it is also susceptible to fatigue failure over time. To estimate the expected fatigue life of ductile iron pipes, engineers often utilize fatigue analysis and testing methods. These methods involve subjecting representative samples of the pipes to cyclic loading under controlled conditions and measuring the number of cycles required for failure to occur. The results of these tests are then used to extrapolate the expected fatigue life of the pipes under similar loading conditions. It is important to note that the expected fatigue life can vary significantly depending on the specific conditions and loading patterns experienced by the pipes in a given application. Therefore, it is crucial to consider factors such as the operational demands, maintenance practices, and the overall structural integrity of the pipeline system. Additionally, the use of appropriate design standards and guidelines, along with regular inspection and maintenance, can help enhance the fatigue life of ductile iron pipes. In summary, while it is challenging to provide a specific value for the expected fatigue life of ductile iron pipes under cyclic loading, engineers can estimate it through fatigue analysis and testing methods. It is essential to consider various factors and maintain the pipes properly to ensure their longevity and prevent potential failures.
- Q: How does ductile iron pipe perform in sandy or unstable soils?
- Ductile iron pipe performs exceptionally well in sandy or unstable soils due to its inherent strength and flexibility. The composition of ductile iron, which includes a combination of iron, carbon, and small amounts of other elements, gives it superior mechanical properties compared to other types of pipes. In sandy soils, where there is a risk of pipe movement and deformation due to shifting ground, ductile iron's high tensile strength and elongation characteristics allow it to withstand the pressure and stress without fracturing or breaking. Its flexibility enables it to accommodate the movement and settlement of the surrounding soil, reducing the risk of pipe failure. Moreover, ductile iron pipe's resistance to corrosion makes it highly suitable for installation in sandy soils. The protective lining and coatings applied to the interior and exterior of the pipe prevent the soil's corrosive elements from attacking the iron, ensuring long-term durability and reliability. In unstable soils with varying compaction levels or weak load-bearing capacity, ductile iron pipe's sturdy construction provides stability and support. Its robustness allows it to distribute the loads evenly, minimizing the risk of pipe deflection or collapse. Additionally, ductile iron pipe's joint design and sealing methods, such as push-on joints or mechanical joints with rubber gaskets, offer excellent leak resistance and prevent soil infiltration, further enhancing its performance in sandy or unstable soils. Overall, ductile iron pipe's combination of strength, flexibility, corrosion resistance, and reliable joint systems make it an ideal choice for applications in sandy or unstable soils, providing a long-lasting and efficient solution for water and wastewater transmission.
- Q: What is the maximum temperature that ductile iron pipes can handle?
- The ability of ductile iron pipes to withstand high temperatures is influenced by factors like the grade of ductile iron, the application, and the duration of exposure to heat. Typically, ductile iron pipes are advised to be used within a temperature range of approximately 400-450 degrees Fahrenheit (205-232 degrees Celsius). However, it is essential to refer to the manufacturer's instructions and specifications for the particular product, as temperature limits may vary slightly among grades and manufacturers. Additionally, it is vital to take into account the thermal expansion and contraction properties of ductile iron pipes to prevent any possible problems in environments with elevated temperatures.
- Q: How is ductile iron pipe different from other types of pipes?
- Ductile iron pipe differs from other pipe types in several ways. To begin with, its exceptional strength and durability are well-known. It is composed of a unique combination of iron, carbon, and other alloying elements, giving it superior mechanical properties compared to other pipes. Consequently, ductile iron pipe is highly resistant to external forces and pressure, making it ideal for underground installations, water mains, and sewer systems. Moreover, ductile iron pipe exhibits excellent corrosion resistance. Typically, it is lined with cement mortar or an internal coating, which acts as a protective barrier against corrosion and lengthens the pipe's lifespan. This makes ductile iron pipe particularly suitable for transporting water and other fluids, as it prevents contamination and maintains the material's quality. Additionally, ductile iron pipe offers a high level of flexibility. Unlike more rigid pipe materials such as cast iron, ductile iron pipe can withstand moderate deflection and ground movement without fracturing or breaking. This flexibility reduces the risk of failure and decreases the need for expensive repairs or replacements. Finally, ductile iron pipe is relatively easy to install and maintain. Usually, it is available in long lengths, minimizing the number of joints required. Furthermore, its mechanical properties and corrosion resistance make it less prone to damage during installation or operation, resulting in lower maintenance costs over time. In conclusion, ductile iron pipe stands apart from other pipes due to its exceptional strength, corrosion resistance, flexibility, and ease of installation. These characteristics make it a reliable and cost-effective choice for various applications, particularly in the water and wastewater industry.
- Q: Are ductile iron pipes resistant to frost heave?
- Ductile iron pipes are generally considered to be resistant to frost heave. Frost heave occurs when water in the ground freezes and causes the surrounding soil to expand and lift. Ductile iron pipes have high tensile strength and flexibility, which allows them to withstand the forces exerted by frost heave without cracking or breaking. Moreover, ductile iron pipes have a high resistance to impact and can handle significant external loads. This makes them particularly suitable for areas that experience freezing temperatures and potential frost heave. Additionally, the joints in ductile iron pipes are designed to provide a tight seal and prevent water infiltration, reducing the risk of freezing and subsequent frost heave. However, it is important to note that while ductile iron pipes are resistant to frost heave, they are not completely immune to it. Extreme temperature fluctuations, prolonged freezing conditions, or inadequate insulation can still pose a risk to the integrity of the pipes. Therefore, proper installation techniques, including appropriate bedding and backfilling materials, thermal insulation, and proper maintenance, are crucial to ensure the long-term performance and resistance of ductile iron pipes to frost heave.
- Q: What are the typical joint restraint systems used in ductile iron pipes?
- The typical joint restraint systems used in ductile iron pipes are mechanical joint restraints, push-on joint restraints, and restrained joint systems. These systems are designed to prevent pipe separation and movement at the joints, ensuring the integrity and stability of the pipeline.
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Ductile Iron Pipe of China C25 DN250 EN545/EN598 On Factory Price
- Ref Price:
-
$491.00
/ m.t.
- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 50000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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