Ductile Iron Pipe of China Class EPDM ISO2531

Ductile Iron Pipe of China Class EPDM ISO2531

Ref Price:: $520.00 / m

Loading Port:: China main port

Payment Terms:: TT or LC

Min Order Qty:: 1000 m

Supply Capability:: 50000 m/month

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1. Ductile Iron Pipe Description :

It has high strength & hardnes as steel and better corrosin resistance than steerl and grey iron, I ductile iron pipe is the ideal substute for gray cast iron pipe and common steel pipe. In addition, our DI pipes are produced with good straightness, identical wall thickness, high dimension accuracy, smooth surface finished, remarkable mechanical properties and firmly sticking internal & external coating layer as well. Flexible Push-in joint and rubber gasket are used for more convenient installation of pipelines.

2. Ductile Iron Pipe Main Features:

- For potable water supply
- High strength
- Long lifespan
- Good corrosion resistance
- Easy installation

3.Ductile Iron Pipe Images:

Ductile Iron Pipe of China Class EPDM ISO2531

4.Ductile Iron Pipe Specification:

1) The standard of pipe: ISO2531:1998, K9

2) Effective length: 6m

3) Inner cement line: Portland cement line as per ISO4179

4) Zinc coating: at least 130g/m² as per ISO8179

5) Bitumen painting: at least 70um as per ISO8179

6) With 100% quantity of NBR ring, or SBR ring, or EPDM ring as per ISO4633

7) High strength, lighter than grey iron, good corrosion resistance, no furring, small flow resistance, easy fixing, long life tome about 100 yeas

5.FAQ:

· Management Systems-Internal Software

· Finished Product Inventory-More Than 5000 Tons.

· Raw Material inventory -Over 8000 Mertic Tons.

· The most convenient transport and prompt delivery.

· Competitive price with best service .

· High technical production line with top quality products.

Q: Are ductile iron pipes suitable for underground storage tanks?: Underground storage tanks can indeed benefit from the use of ductile iron pipes. Ductile iron, known for its strength and durability, exhibits exceptional resistance to corrosion and can withstand the immense pressure and weight associated with burial underground. These pipes find widespread application in various underground systems, such as water and sewage systems, owing to their remarkable tensile strength and ability to handle both internal and external loads. Furthermore, ductile iron pipes boast an extended service life, often surpassing 100 years, rendering them a dependable choice for underground storage tanks. They also possess resistance against ground movement and can adapt to soil settling or shifting, thereby ensuring the integrity and stability of the storage tank system. Moreover, the smooth internal surface of ductile iron pipes provides excellent flow characteristics, preventing the accumulation of debris or sediment that may impede the system. Hence, they prove to be an ideal option for storing a diverse range of liquids or substances. In conclusion, the strength, durability, corrosion resistance, and long service life of ductile iron pipes establish them as a suitable and reliable choice for underground storage tanks.

Q: QT400-10 nodular cast iron requires hardness of HRC47~51. Why can't quench hardness be reached?: Because of the high tempering stability of the nodular iron, the tempering temperature is 400-450 degrees, and the tempering time is 1 hours.

Q: What is the composition of ductile iron pipes?: Ductile iron pipes are primarily composed of iron, along with small amounts of carbon, silicon, and other alloying elements. The iron content typically ranges from 90% to 94%, while carbon content is usually around 3% to 4%. Silicon is added in the range of 1.5% to 3%, which helps enhance the ductility and strength of the iron. Other alloying elements such as manganese, sulfur, and phosphorus may also be present in smaller quantities. The composition of ductile iron pipes is carefully engineered to achieve specific properties. The addition of carbon and silicon improves the hardness and strength of the iron, making it more suitable for demanding applications. The presence of these alloying elements also contributes to the ductility of the pipes, allowing them to be easily bent and molded without breaking. Overall, the composition of ductile iron pipes is designed to provide a balance between strength, ductility, and resistance to corrosion. This makes them ideal for use in water and sewage systems, where they can withstand high pressure, handle heavy loads, and resist the corrosive effects of water and other chemicals.

Q: How are ductile iron pipes protected against internal corrosion?: Ductile iron pipes are protected against internal corrosion through a process called cement mortar lining. This involves applying a layer of cement mortar to the inner surface of the pipe, creating a protective barrier between the iron and the water flowing through it. This lining helps to prevent the formation of rust, corrosion, and scale build-up, ensuring the longevity and durability of the pipes.

Q: Can ductile iron pipe be used for gas distribution systems?: Indeed, gas distribution systems can utilize ductile iron pipe. Ductile iron, being a robust and enduring substance, exhibits resistance to corrosion, thus rendering it suitable for subterranean applications. Its capacity to endure high pressure and furnish a dependable and enduring solution has led to its widespread employment in gas distribution systems for numerous years. Moreover, ductile iron pipes are acknowledged for their pliability, facilitating simpler installation and upkeep. Nevertheless, it is imperative to guarantee conformity with the specific requirements and standards of gas distribution systems when implementing ductile iron pipes to ensure the system's safety and efficiency.

Q: What is the expected joint restraint method for ductile iron pipes?: The expected joint restraint method for ductile iron pipes is typically mechanical joints or push-on joints. These joints provide a secure and leak-free connection between the pipes, ensuring the stability and integrity of the pipeline system. Mechanical joints involve the use of rubber gaskets and bolts to tightly seal the joint, while push-on joints utilize a groove and rubber gasket system to create a watertight seal. Both methods offer excellent joint restraint capabilities, allowing for the effective transmission of fluids or gases through the pipeline without the risk of joint separation or failure. Additionally, these joint restraint methods also facilitate ease of installation and maintenance, making them a preferred choice for ductile iron pipe systems.

Q: What is the relationship between the mechanical properties of spheroidal graphite cast iron and its spheroidization rate?: Grade high good, mechanical performance can reach or exceed the standard, the grade is not high, the performance can not be achieved

Q: Which is better, ductile iron pipe and spray plastic pipe?: Spray pipe is: plastic composite pipe, steel pipe is a new composite material as matrix, through a special process in high temperature curing by walls melt spraying or adsorption of food grade epoxy powder coating or PE as raw material. It has excellent corrosion resistance and relatively small frictional resistance.

Q: Can ductile iron pipes be used in tunneling or microtunneling projects?: Yes, ductile iron pipes can be used in tunneling or microtunneling projects. Ductile iron pipes are known for their durability, strength, and resistance to corrosion, making them suitable for underground applications. They can handle the pressure and load requirements of tunneling projects and provide reliable and long-lasting performance.

Q: Can ductile iron pipes be used for wastewater treatment plants?: Indeed, ductile iron pipes have proven to be a viable option for wastewater treatment plants. Renowned for their robustness and endurance, these pipes are well-suited to endure the challenging and corrosive conditions present in such facilities. They possess the ability to withstand elevated pressures and exhibit resistance against corrosion, which is crucial for effectively managing wastewater and the diverse range of chemicals utilized in the treatment procedure. Additionally, ductile iron pipes offer the advantage of being effortless to install and maintain, ensuring an extended period of service. Consequently, they are frequently utilized in wastewater treatment plants for the transportation and distribution of wastewater across the entirety of the establishment.

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