DUCTILE IRON PIPE DN100

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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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 prone to leakage?: Ductile iron pipes are renowned for their leak resistance, owing to their durability and strength. Unlike PVC or cast iron pipes, this type of pipe is less susceptible to leaks. It is designed to endure high pressure and heavy loads, making it suitable for a range of applications such as water supply, sewage systems, and industrial pipelines. The leak resistance of ductile iron pipes can be attributed to their unique properties, including flexibility and shock absorption. With high tensile strength, these pipes can withstand internal and external pressure without cracking or breaking. Moreover, ductile iron pipes boast leak-proof joints. These joints are typically sealed with rubber gaskets and connected using methods like push-on joints or restrained joints with mechanical couplings. These joint designs ensure a secure and watertight connection, minimizing the risk of leaks. Nevertheless, under certain circumstances, ductile iron pipes can still experience leaks. Factors like age, corrosion, improper installation, or ground movement can contribute to leak development over time. Regular maintenance and inspections are crucial in detecting and resolving potential issues that may lead to leaks. In summary, while ductile iron pipes are generally resistant to leaks and renowned for their reliability, proper installation, regular maintenance, and timely repairs are vital to maximize their lifespan and prevent potential leaks.

Q: Are ductile iron pipes resistant to hydrostatic pressure?: Yes, ductile iron pipes are resistant to hydrostatic pressure. Ductile iron is a type of cast iron that is known for its strength and durability. It has excellent mechanical properties, including high tensile strength and elasticity, which enable it to withstand high levels of hydrostatic pressure. This makes ductile iron pipes well-suited for applications where water or other fluids need to be transported under pressure, such as in water distribution systems, sewer lines, and industrial pipelines. Additionally, ductile iron pipes have a high resistance to corrosion, which further enhances their ability to withstand hydrostatic pressure and ensures their long-term performance and reliability.

Q: Can ductile iron pipes be used for offshore oil and gas installations?: Yes, ductile iron pipes can be used for offshore oil and gas installations. Ductile iron is known for its strength, durability, and corrosion resistance, making it suitable for various applications including offshore environments. Additionally, ductile iron pipes are cost-effective and can withstand high pressure and extreme weather conditions, making them a reliable choice for offshore oil and gas installations.

Q: Is it better to use steel tubes or ductile iron pipes for water supply?: In summary, if the demand is not high, the use of stable environment, pressure and vibration is not a place recommend the use of ductile iron pipe; if is an important facility for high requirements or site conditions, abnormal conditions, vibration and impact may be relatively large, with ordinary seamless steel tube.

Q: How do ductile iron pipes handle heavy traffic loads?: Ductile iron pipes are extremely durable and can handle heavy traffic loads with ease. This is due to their exceptional strength and flexibility. The composition of ductile iron, which includes graphite nodules, allows the material to be more flexible than traditional cast iron pipes. This flexibility enables the pipes to withstand heavy traffic loads, including the weight of vehicles passing over them. Additionally, ductile iron pipes have a high load-bearing capacity, which means they can support substantial weights without experiencing deformation or structural failure. This makes them suitable for use in areas with heavy traffic, such as highways, bridges, and industrial sites. Furthermore, ductile iron pipes have excellent resistance to external forces, such as vibrations and impacts. They can absorb and distribute these forces throughout the pipe network, preventing damage and maintaining structural integrity. In summary, ductile iron pipes are specifically designed to handle heavy traffic loads. Their strength, flexibility, and load-bearing capacity make them a reliable choice for infrastructure projects where durability and longevity are essential.

Q: Can ductile iron pipes be used for underground chemical processing systems?: No, ductile iron pipes are not suitable for underground chemical processing systems as they can corrode and react with certain chemicals, compromising the integrity of the system.

Q: What are the different lining materials available for ductile iron pipe?: There are several different lining materials available for ductile iron pipes. These linings are used to protect the pipe from corrosion and extend its lifespan. Some common lining materials include: 1. Cement Mortar Lining: This lining consists of a layer of cement mortar applied to the interior surface of the pipe. It provides a smooth and durable barrier against corrosion and is commonly used in water and wastewater applications. 2. Polyethylene Encasement: Polyethylene encasement involves wrapping the pipe with a layer of polyethylene film. This lining provides excellent corrosion protection and is often used in aggressive soil conditions. 3. Polyurethane Lining: Polyurethane lining is a spray-applied material that forms a seamless and flexible barrier inside the pipe. It offers superior resistance to chemicals and abrasion, making it suitable for applications involving aggressive fluids. 4. Epoxy Lining: Epoxy lining is a popular choice for lining ductile iron pipes, as it provides excellent resistance to corrosion and chemicals. It is typically applied as a liquid coating that cures to form a smooth and protective layer. 5. Zinc Coating: Zinc coating, also known as galvanizing, involves applying a layer of zinc to the exterior surface of the pipe. This lining provides corrosion resistance and is commonly used in outdoor and exposed applications. These lining materials offer different advantages and are chosen based on the specific needs of the application. Factors such as the type of fluid being transported, environmental conditions, and expected service life are considered when selecting the most suitable lining material for ductile iron pipes.

Q: Can ductile iron pipes be used for water treatment facilities?: Water treatment facilities can utilize ductile iron pipes. Ductile iron, a type of cast iron, boasts improved strength, flexibility, and durability. These characteristics render it suitable for a range of applications, including water treatment facilities. Ductile iron pipes exhibit exceptional resistance to corrosion, a crucial attribute for water treatment facilities where pipes come into contact with various chemicals and water contaminants. They can endure the demanding conditions and chemicals inherent in water treatment processes, ensuring a lengthy lifespan. Additionally, ductile iron pipes possess high tensile strength and can withstand elevated pressures. This makes them ideal for conveying water throughout the facility, encompassing the distribution system, pumping stations, and treatment units. They can handle the required flow rates and pressures without compromising pipe integrity. Furthermore, ductile iron pipes are renowned for their flexibility and resilience. They can tolerate ground movement and other external stresses, diminishing the likelihood of pipe failures and leaks. This proves invaluable in water treatment facilities where pipes frequently traverse diverse terrains and undergo regular maintenance activities. Moreover, ductile iron pipes offer cost-effective advantages over alternative pipe materials such as steel or PVC. They boast an extended lifespan, necessitate minimal maintenance, and exhibit low failure rates, thereby reducing overall operational and maintenance expenses for water treatment facilities. In conclusion, ductile iron pipes provide a dependable and durable solution for water treatment facilities. Their corrosion resistance, high tensile strength, flexibility, and cost-effectiveness render them a suitable choice for transporting water and chemicals within the facility, ensuring efficient and effective water treatment processes.

Q: Can ductile iron pipe be used for stormwater management systems?: Yes, ductile iron pipe can be used for stormwater management systems. Ductile iron pipe is known for its strength, durability, and ability to withstand external loads and harsh environmental conditions, making it suitable for carrying stormwater and managing drainage systems effectively.

Q: How can the ductile iron pipe be tested?: Good command of pipe connection must be by hand when a pressure test, must be clear, on the back, pier, interface division, each part of the exhaust valve, must be responsible, then carefully inspected and clear and uniform pressure test.

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