Ductile Iron Pipe of China DN200-DN400 EN545/ EN598/ ISO2531

Ductile Iron Pipe of China DN200-DN400 EN545/ EN598/ ISO2531 System 1

Ductile Iron Pipe of China DN200-DN400 EN545/ EN598/ ISO2531 System 2

Ductile Iron Pipe of China DN200-DN400 EN545/ EN598/ ISO2531

Ref Price:: $460.00 - 475.00 / m.t.

Loading Port:: China main port

Payment Terms:: TT or LC

Min Order Qty:: 20 m.t.

Supply Capability:: 50000 m.t./month

Inquire Now

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

You Might Also Like

Push On Joint T Type Ductile Cast Iron Pipe K9

Push-on Joint T Type Ductile Iron Pipe Class C

Self-restrained Joint Ductile Iron Pipe

Ductile Iron Pipe Mechnical Joint K Type

Ductile Iron Pipe DN350

T Type Ductile Iron Pipe DN1400 socket spigot pipe

DUCTILE IRON PIPE DN1100 K8/C/K9

Construction Material High Tensile Deformed Rebar 10mm-32mm

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

3. Ductile Iron Pipe Images:

Ductile Iron Pipe of China 5200 Chip Price

4. Ductile Iron Pipe Specification

Standard: API SPEC 5L 44th eidtion,ASTM A252-98(2007)

Grade: A53 Grades A/B, ASTM A106 Grades B/C,ASTM A179

AWWA, C200, ASTM A139, ASTM A120, API 5L Grade B

X42, X52, X56, X60, X65, X70, X80, X100

Weld Alternatives: LSAW

OD size range: 6.4~44.5mm

Wall thickness: 406.4~1422mm

Length: 3 - 12 m according to requirment

Note: Other grade can also be provided after consulting. Special design are available

for coal slurry conveyance LSAW line tube -- Service.

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: What are the different pressure classes available for ductile iron pipe?: The different pressure classes available for ductile iron pipe include Class 100, Class 150, Class 200, Class 250, Class 300, Class 350, and Class 400.

Q: How do ductile iron pipes handle thermal expansion and contraction?: The exceptional ability of ductile iron pipes to handle thermal expansion and contraction is well-known. This ability stems from their distinctive composition and design, which enable them to endure temperature fluctuations without sustaining significant harm or deformation. Thermal expansion arises when a material expands as a result of increased temperature, while thermal contraction refers to the contraction that occurs when a material cools down. Ductile iron pipes effectively accommodate these temperature changes by utilizing their inherent flexibility and strength. A key factor that enables ductile iron pipes to manage thermal expansion and contraction is their high ductility, which refers to their capacity to deform without breaking. This ductility allows the pipes to absorb the forces of expansion and contraction without developing cracks or ruptures. Additionally, the composition of ductile iron pipes includes graphite nodules, which act as microcracks that can absorb stress and prevent material fracturing. This unique microstructure enhances the pipes' resistance to thermal expansion and contraction. Furthermore, ductile iron pipes are often designed with joints that allow for limited movement. These joints, such as mechanical joints or push-on joints, can accommodate pipe expansion and contraction by offering a certain level of flexibility. This helps prevent the pipes from being excessively stressed or damaged. In conclusion, ductile iron pipes are specifically engineered to effectively handle thermal expansion and contraction. Their high ductility, unique microstructure, and joint design make them a robust and dependable choice for applications where temperature variations are expected.

Q: Can ductile iron pipe be used for geothermal heat exchange systems?: Yes, ductile iron pipe can be used for geothermal heat exchange systems. Ductile iron pipe is known for its strength and durability, making it suitable for underground applications such as geothermal heat exchange systems. Additionally, it has good corrosion resistance and can withstand high temperatures, which are important factors in geothermal systems.

Q: Can ductile iron pipe be used for chemical processing plant applications?: Ductile iron pipe is indeed suitable for chemical processing plant applications. It is a type of cast iron that possesses enhanced properties, such as improved ductility and strength, enabling its use in various industrial settings, including chemical processing plants. Ductile iron pipes exhibit excellent corrosion resistance, can endure high temperatures and pressures, and can handle aggressive chemical substances. Moreover, they are easy to install and maintain, offering a cost-effective solution for chemical processing plants. Nonetheless, it is crucial to consider the specific requirements and conditions of the plant, and seek advice from specialists to ensure the suitability of the chosen piping materials for the particular chemical processes and substances involved.

Q: Do ductile iron pipes require internal linings or coatings?: Ductile iron pipes do not typically require internal linings or coatings. Ductile iron is known for its inherent corrosion resistance, which is primarily due to its composition and microstructure. The iron in ductile iron pipes is treated with magnesium, resulting in the formation of graphite nodules that give the material its ductile properties. This microstructure also provides a protective layer on the surface of the pipe, which helps to prevent corrosion. Additionally, ductile iron pipes have been used for several decades without the need for internal linings or coatings, proving their durability and resistance to corrosion. The smooth interior surface of ductile iron pipes also helps to minimize friction and maintain efficient flow rates. However, in certain cases where the conveyed fluid is highly corrosive or abrasive, or if the water quality is aggressive, internal linings or coatings may be recommended. These linings or coatings can be applied to protect the pipe from chemical attack or to prevent the leaching of iron into the water supply. Ultimately, the decision to use internal linings or coatings on ductile iron pipes depends on various factors such as the specific application, water quality, and local regulations. Consulting with professionals in the field, such as engineers or pipe manufacturers, can provide more tailored advice for specific scenarios.

Q: How are ductile iron pipes tested for hydrostatic pressure?: For water and wastewater applications, ductile iron pipes are widely used because of their strength and durability. To guarantee their quality and dependability, these pipes undergo hydrostatic pressure testing. The process of hydrostatic pressure testing involves applying internal pressure on the ductile iron pipes at levels higher than their normal operating pressure. This is done to evaluate their ability to withstand the maximum pressure they may encounter during their service life. To begin the testing, a sample set of pipes is carefully selected from a production batch or shipment. These samples are meticulously prepared by removing any surface coatings or debris that could affect the accuracy of the test results. The prepared samples are then placed in a specially designed test rig or test line. The test rig is equipped with all the necessary connections, valves, and gauges to accurately control and monitor the test conditions. Once the samples are secured in the test rig, water or another suitable test fluid is slowly introduced into the pipes. The pressure is gradually increased to a preset level, typically surpassing the expected operating pressure by a certain factor. This elevated pressure is maintained for a specified duration, usually several hours, to evaluate the structural integrity and leak resistance of the pipes. Throughout the test, the pipes are closely monitored for any signs of leakage, deformation, or failure. Skilled technicians or engineers observe the pressure gauges and visually inspect the pipes for any visible defects or abnormalities. Additionally, automated systems may be used to continuously record and analyze the pressure readings, ensuring accurate data collection. After the specified test duration, the pressure is gradually released, and the pipes are meticulously inspected for any permanent deformation or residual stress. This inspection may involve visual examination, dimensional measurements, or non-destructive testing techniques like ultrasonic testing or magnetic particle inspection. The test results are then assessed against the relevant industry standards or specifications to determine if the pipes comply with safety and performance requirements. If the pipes pass the hydrostatic pressure test, they are considered suitable for their intended application. However, if any issues or failures are identified, further investigation, analysis, or corrective actions may be necessary before the pipes can be approved for use. In conclusion, hydrostatic pressure testing plays a vital role in ensuring the quality and reliability of ductile iron pipes. By subjecting these pipes to rigorous testing procedures, manufacturers can provide customers with pipes that meet the highest standards of safety and performance.

Q: A tube is used only in ductile iron pipes, isn't it?: Is that the nodular graphite cast iron pipe is called centrifugal ductile iron pipe, it has the properties of nature, iron and steel, excellent corrosion resistance, good ductility, good sealing effect, simple installation, mainly for municipal, industrial and mining enterprises, water supply, gas, oil etc.. Water supply pipe is the first choice, with high cost performance.

Q: Can ductile iron pipes be used in contaminated soil conditions?: Indeed, contaminated soil conditions pose no obstacle to the utilization of ductile iron pipes. Ductile iron boasts exceptional attributes such as robustness, endurance, and resistance to corrosion, rendering it appropriate for diverse soil conditions, even those tainted by chemicals or other harmful substances. The material's resistance to corrosion guarantees the pipes' ability to endure the adverse conditions and sustain their structural integrity throughout time. Nevertheless, it is crucial to take into account the nature and extent of soil contamination and seek guidance from specialists to ascertain whether supplementary protective measures or coatings are necessary to ensure the pipes' enduring efficiency.

Q: Can ductile iron pipes be used for underground river crossings?: Underground river crossings can indeed utilize ductile iron pipes. Renowned for their robustness and longevity, ductile iron pipes are highly versatile, making them ideal for a range of applications, including underground river crossings. These pipes possess exceptional tensile strength, enabling them to withstand the external forces and pressures imposed by the surrounding soil and water. Moreover, their outstanding resistance to corrosion is paramount when dealing with subterranean water sources like rivers. Additionally, ductile iron pipes can endure ground movements, settling, and any geological obstacles that may arise during the installation and operation of underground river crossings. Consequently, they represent a dependable choice, ensuring the secure and efficient conveyance of water across rivers while preserving the integrity of the subterranean infrastructure.

Q: How do ductile iron pipes perform in high-pressure applications?: Ductile iron pipes are highly renowned for their exceptional strength and durability, making them incredibly suitable for applications with high pressure. These pipes are specifically designed to endure immense internal and external pressures, making them well-suited for both underground and above-ground installations where high-pressure conditions are anticipated. One of the primary advantages of utilizing ductile iron pipes in high-pressure applications lies in their capacity to resist cracking or bursting. The material's inherent ductility enables it to absorb and distribute pressure evenly, significantly reducing the risk of failure under high-pressure circumstances. Consequently, ductile iron pipes are a dependable choice for water supply systems, oil and gas pipelines, and other demanding applications subject to substantial pressure. Moreover, ductile iron pipes exhibit outstanding corrosion resistance properties, further enhancing their performance in high-pressure environments. These pipes are typically coated with a protective layer, such as cement mortar or epoxy, which serves as a barrier against corrosion. By preventing the formation of rust or scale inside the pipe, this protective coating ensures smooth flow and upholds structural integrity even under high-pressure conditions. Furthermore, ductile iron pipes possess a remarkable tolerance for external loads, including soil pressure, traffic loads, and various other forces. This exceptional strength enables them to withstand the additional stress often encountered in high-pressure applications, guaranteeing the long-term reliability and performance of the pipe system. In conclusion, ductile iron pipes offer exceptional performance in high-pressure applications. Their strength, durability, corrosion resistance, and ability to withstand external loads make them a reliable choice for a wide range of industries and infrastructure projects where high-pressure conditions are a significant concern.

Send your message to us

*Email

*TEL

*Quantity

*Unit