DUCTILE IRON PIPE DN400 K8

Ref Price:

Loading Port:: China Main Port

Payment Terms:: TT OR LC

Min Order Qty:: -

Supply Capability:: -

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 DN600

DUCTILE IRON PIPE DN1200 K8/C/K9

DUCTILE IRON PIPE DN700 K9/C

High Tensile Steel Rebar ASTM BS4449 Rebar Steel

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) DN80mm-800mm

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

9) Produced by Hangzhou chunfeng machine

10) Checked by automatic inspection equipment

11) Composition:

Chemical composition
Chemical composition	Ductile Cast Iron Pipe (%)	Grey iron pipe (%)	Steel pipe (%)
C	3.5-4.0	3.2-3.8	0.1-0.2
Si	1.9-2.6	1.4-2.2	0.15-0.4
Mn	0.15-0.45	0.4-0.6	0.3-0.6
P	≤0.06	≤0.3	0.02-0.03
S	≤0.02	≤0.1	0.02-0.03
Mg	0.03-0.06

12) Feature:

Mechanical properties
	Ductile Cast Iron Pipe	Grey Iron Pipe	Steel Pipe
Tensile Strength(Mpa)	≥420	150-260	≥400
Yield Strength(Mpa)	≥300	No Confirmation	No Confirmation
Bending Strength(Mpa)	≥590	200-360	≥400
Elongation (%)	≥10	Neglected	≥18
Brinell Hardness(HBS)	≤230	≤230	About 140

13) T type mechanical joint

14) Packing: in bulk or container

Q:Are ductile iron pipes resistant to acid mine drainage corrosion?: Generally, ductile iron pipes are resistant to corrosion caused by acid mine drainage (AMD). Ductile iron is a highly durable material that has been widely used in various industries, including mining and water distribution, because of its excellent ability to resist corrosion. AMD is a significant environmental issue that occurs when water comes into contact with sulfide minerals in mining areas, resulting in the formation of sulfuric acid. This acid can cause damage to various materials, including pipes, and can contaminate water sources. Ductile iron pipes have a protective layer made of cement mortar or epoxy coating, which acts as a barrier between the corrosive AMD and the pipe material. This protective layer prevents direct contact and reduces the likelihood of corrosion. Moreover, ductile iron pipes have a strong resistance to both internal and external corrosion, making them suitable for environments where AMD may be present. They have a proven track record of reliability and longevity, even in harsh conditions, ensuring the integrity of the water distribution system and minimizing the risk of leaks or failures. However, it's important to note that the resistance of ductile iron pipes to AMD corrosion can depend on other factors, such as the specific composition and concentration of the AMD, the duration of exposure, and the temperature. Therefore, it is recommended to seek advice from experts and conduct thorough material testing and analysis to determine the suitability of ductile iron pipes in specific AMD environments.

Q:Can ductile iron pipes be used for drainage systems in airports?: Ductile iron pipes are an excellent choice for drainage systems in airports. These pipes are well-known for their durability, strength, and ability to resist corrosion, making them suitable for a variety of applications, including drainage systems. They can handle heavy loads, which is crucial in airports where aircraft and vehicles are constantly moving. Moreover, ductile iron pipes are flexible, making installation and modification easy when needed. Additionally, they have a long lifespan, reducing the need for frequent maintenance or replacement. Therefore, ductile iron pipes are a reliable option for airport drainage systems, ensuring efficient water flow and preventing water accumulation to maintain safe and operational facilities.

Q:Are ductile iron pipes suitable for use in oil refineries?: Ductile iron pipes are an excellent choice for oil refineries as they offer a unique combination of strength, durability, and flexibility. These pipes possess high tensile strength, enabling them to withstand the intense pressure and stress commonly encountered in oil refining. Their ability to transport fluids such as crude oil, refined petroleum products, and chemicals within the refinery is crucial. Furthermore, ductile iron pipes exhibit exceptional corrosion resistance, protecting them from the corrosive effects of oil, chemicals, and other substances present in oil refineries. This quality ensures the pipes' longevity and reliability, reducing the need for frequent maintenance and replacement. Moreover, ductile iron pipes possess remarkable ductility, enabling them to absorb significant impacts and vibrations without fracturing or breaking. This characteristic proves advantageous in oil refineries, considering the potential movement or stressors caused by machinery, equipment, or ground settlement. Additionally, the pipes' smooth interior surface minimizes friction, facilitating efficient fluid flow and reducing pressure loss. This feature plays a vital role in optimizing fluid transportation within oil refineries, ensuring a smooth and reliable production process. In summary, ductile iron pipes are well-suited for oil refineries due to their high tensile strength, corrosion resistance, ductility, and smooth interior surface. These pipes provide a trustworthy and long-lasting solution for fluid transportation within the refinery, contributing to the efficient and safe operation of oil refining processes.

Q:What are the common pressure ratings for ductile iron pipes?: Common pressure ratings for ductile iron pipes vary depending on the specific application and industry standards. However, the most commonly used pressure ratings for ductile iron pipes are Class 150, Class 200, Class 250, and Class 350. Class 150 ductile iron pipes are typically used for low-pressure applications, with a working pressure of up to 150 psi (pounds per square inch). These pipes are commonly used for water distribution systems, irrigation, and gravity flow sewer systems. Class 200 ductile iron pipes have a higher working pressure of up to 200 psi. These pipes are often used for applications that require a slightly higher pressure, such as industrial water supply, fire protection systems, and wastewater treatment plants. Class 250 ductile iron pipes have a working pressure of up to 250 psi. These pipes are suitable for more demanding applications, such as high-pressure water supply systems, power plants, and municipal water distribution networks. Class 350 ductile iron pipes have the highest working pressure rating, with a maximum pressure of up to 350 psi. These pipes are typically used for heavy-duty applications, such as industrial water supply, oil and gas pipelines, and large-scale water transportation projects. It's important to note that these pressure ratings are general guidelines and may vary depending on the specific manufacturer and product specifications. Consulting industry standards and guidelines, as well as working with qualified engineers and professionals, is essential to ensure the correct pressure rating is selected for a particular ductile iron pipe application.

Q:Do ductile iron pipes require special maintenance?: Yes, ductile iron pipes do require special maintenance. While ductile iron is known for its strength and durability, it is still susceptible to certain forms of corrosion. Regular maintenance is necessary to prevent corrosion and prolong the lifespan of the pipes. This maintenance typically includes periodic inspections to check for any signs of corrosion or damage, as well as cleaning and protective coating applications. Additionally, proper handling and installation techniques should be followed to ensure the integrity of the pipes. Regular maintenance and adherence to industry best practices can help prevent leaks, breaks, and other issues, ultimately saving time and money in the long run.

Q:Are ductile iron pipes suitable for use in wastewater pumping stations?: Yes, ductile iron pipes are suitable for use in wastewater pumping stations. Ductile iron has excellent strength and durability, making it resistant to corrosion and capable of withstanding high pressure and heavy loads. It also has good flexibility, which helps prevent cracking or breaking under ground movements. Additionally, ductile iron pipes have a smooth internal surface, reducing friction and improving the flow of wastewater. Overall, these pipes are a reliable and long-lasting choice for wastewater pumping stations.

Q:What is the DN400 installation charge for ductile iron pipes?: 1. hourly wage or piece wage: refers to the hourly wage and work hours or the work done by the unit price to pay individual labor remuneration.2. prize: refers to the excess labor and increase revenue of remuneration paid to individuals. Such as saving prize, labor competition prize, etc..3. subsidy: refers to compensate workers special or extra labor and other special reasons for the subsidies paid to individuals, and in order to ensure that the impact of inflation on real wages paid to individual price subsidies. Such as mobile construction allowance, special area construction allowance, high temperature (cold) operation, temporary allowance, aerial allowance and so on.

Q:How do ductile iron pipes perform in high-temperature water applications?: Ductile iron pipes are known for their strength, durability, and excellent mechanical properties, which make them suitable for a wide range of applications. However, when it comes to high-temperature water applications, certain considerations need to be taken into account. Ductile iron pipes generally perform well in high-temperature water applications up to a certain threshold. The exact temperature limit depends on the specific grade of ductile iron used and the duration of exposure to high temperatures. In general, ductile iron pipes can withstand temperatures up to 350-400 degrees Fahrenheit for short periods without significant degradation or loss of strength. However, it is important to note that prolonged exposure to high temperatures can have detrimental effects on ductile iron pipes. At elevated temperatures, ductile iron pipes may experience a phenomenon called thermal degradation, which can lead to reduced mechanical properties, increased brittleness, and even cracking or failure over time. To mitigate the risks associated with high-temperature water applications, several measures can be taken. Firstly, selecting the appropriate grade of ductile iron with a higher temperature tolerance can enhance the pipe's performance. Secondly, implementing proper insulation or heat shielding measures can help minimize the direct heat transfer to the pipes, thereby reducing the potential for thermal degradation. Additionally, regular monitoring and maintenance of ductile iron pipes in high-temperature water applications are crucial to identify any signs of degradation or damage early on and take appropriate remedial actions to prevent failure. In summary, while ductile iron pipes can generally perform well in high-temperature water applications, it is important to carefully consider the specific conditions and requirements of the application to ensure their long-term performance and integrity.

Q:How are ductile iron pipes tested for quality?: Ductile iron pipes are tested for quality through various methods, including hydrostatic pressure testing, dimensional inspection, and mechanical properties testing. Hydrostatic pressure testing involves subjecting the pipes to water pressure to ensure they can withstand the intended operating conditions without any leakage or failure. Dimensional inspection assesses the pipes' dimensions, such as diameter, wall thickness, and length, to ensure they meet the specified standards. Mechanical properties testing evaluates the pipes' tensile strength, yield strength, and elongation to ensure they possess the necessary strength and flexibility. Overall, these rigorous testing procedures help ensure the high quality and reliability of ductile iron pipes.

Q:What are the different methods for restraining ductile iron pipe?: There exist various techniques for restraining ductile iron pipe to prevent any movement or displacement caused by internal pressure, external forces, or ground movement. The most commonly used approaches include: 1. Thrust blocks: Concrete blocks or structures are positioned at bends, tees, or other directional changes in the pipe. These blocks are designed to resist the forces exerted by flowing water or fluids within the pipe, effectively anchoring it in place. 2. Mechanical restraints: Harnesses or clamps are installed around the pipe and affixed to a fixed structure, such as a wall or concrete anchor. These restraints provide a physical barrier that prevents any movement or shifting of the pipe. 3. Pipe restraints: Devices directly attached to the pipe and anchored to a fixed structure, such as pipe clamps, restraints, or saddles. They are designed to securely hold the pipe in place and resist any movement or displacement. 4. Proper pipe bedding and backfill: It is crucial to properly support and surround the pipe with compacted material to prevent any movement or shifting. This method involves carefully placing and compacting soil or suitable materials around the pipe to provide stability and prevent displacement. 5. Trench walls: The walls of the trench where the ductile iron pipe is installed can also contribute to restraining it. By correctly compacting the soil against the pipe and ensuring proper stability of the trench walls, the pipe can be effectively restrained and prevented from moving. Overall, the various methods for restraining ductile iron pipe aim to ensure its secure placement without any displacement or movement. The choice of method depends on factors such as location, application, and the forces acting on the pipe. It is important to consult with engineers and adhere to industry guidelines and standards to determine the most appropriate method for restraining ductile iron pipe in specific situations.

1. Manufacturer Overview
Location
Year Established
Annual Output Value
Main Markets
Company Certifications

2. Manufacturer Certificates
a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability
a)Trade Capacity
Nearest Port
Export Percentage
No.of Employees in Trade Department
Language Spoken:
b)Factory Information
Factory Size:
No. of Production Lines
Contract Manufacturing
Product Price Range