DUCTILE IRON PIPE DN150 K8

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 23 m.t.

Supply Capability:: -

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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

Our raw materials are all from the largest steel factories in China and are of excellent quality ,Please don't hesitate to contact us, your inquiry will be highly appreciated and treated.

Q: Can ductile iron pipes be used for irrigation canal lining?: Yes, ductile iron pipes can be used for irrigation canal lining. Ductile iron pipes are known for their strength, durability, and resistance to external pressure and impact. These qualities make them suitable for use in irrigation canal lining, as they can withstand the harsh conditions of the environment such as high water pressure, soil movement, and exposure to chemicals and corrosive elements. Ductile iron pipes also have a smooth interior surface, which allows for efficient water flow and reduces the risk of clogging or sediment buildup. This is important for irrigation canals, as it ensures a continuous supply of water to the crops or plants being irrigated. Additionally, ductile iron pipes are highly resistant to damage from external factors such as roots, rocks, or other objects that may come into contact with the canal lining. This helps to minimize the risk of leaks or breaks in the irrigation system, ensuring a reliable and efficient irrigation process. It is worth noting that the selection of ductile iron pipes for irrigation canal lining should take into account factors such as the size and capacity of the canal, the water pressure requirements, and the specific conditions of the irrigation project. Consulting with a professional engineer or irrigation specialist can help determine the most suitable materials for the specific requirements of the project.

Q: What is cast iron pipe?: Cast iron pipes (Cast, Iron, Pipe), cast cast pipe. Cast iron pipes are used for water supply, drainage and gas transmission lines. They include cast iron pipes and pipe fittings. Labor intensity is small. According to the casting method, it is divided into continuous cast iron pipe and centrifugal cast iron pipe, in which the centrifugal cast iron pipe is divided into sand mould and metal type two kinds.

Q: Are there any special coatings or linings used for ductile iron pipes?: Yes, there are special coatings and linings used for ductile iron pipes. These coatings and linings are applied to the interior and exterior surfaces of the pipes to protect them from corrosion and extend their lifespan. Some common coatings and linings used for ductile iron pipes include cement mortar lining, polyethylene encasement, fusion bonded epoxy (FBE) coating, and polyurethane lining. Cement mortar lining is commonly used to provide a protective layer on the inside of ductile iron pipes. It is a mixture of cement, sand, and water that is applied to the pipe's interior surface. Cement mortar lining helps prevent corrosion caused by the water or other fluids flowing through the pipes. Polyethylene encasement is another protective coating used for ductile iron pipes. It involves wrapping the pipes with a layer of polyethylene material, which provides a barrier against environmental factors and prevents direct contact between the pipe and the surrounding soil, reducing the risk of corrosion. Fusion bonded epoxy (FBE) coating is a thermosetting epoxy powder coating that is applied to the exterior of ductile iron pipes. It provides excellent corrosion resistance and mechanical protection to the pipes. FBE coating is often used in aggressive environments where the pipes are exposed to chemicals or high moisture conditions. Polyurethane lining is a type of lining used for ductile iron pipes that offers excellent resistance to both corrosion and abrasion. It is applied as a liquid polymer lining that is sprayed onto the interior surface of the pipes. Polyurethane lining provides a smooth and durable protective layer that helps extend the life of the pipes. These coatings and linings play a crucial role in maintaining the integrity and longevity of ductile iron pipes, ensuring their performance in various applications such as water distribution, wastewater management, and industrial processes.

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 is a strong and durable material that can withstand the harsh conditions and corrosive nature of wastewater. It has excellent resistance to corrosion and can handle high-pressure environments, making it an ideal choice for transporting wastewater in pumping stations. Additionally, ductile iron pipes have a long lifespan and require minimal maintenance, reducing the overall cost of operation and ensuring reliable and efficient wastewater transportation.

Q: What does ductile iron pipe "K" mean?: The higher the K level, the better the quality, and the national standard requires K9

Q: What are the typical bedding and backfill requirements for ductile iron pipes?: The typical bedding and backfill requirements for ductile iron pipes are important to ensure the proper installation and long-term performance of the pipes. Generally, the bedding material should be a granular material that provides support and uniform load distribution to the pipe. This can include materials such as sand, gravel, or crushed stone. The bedding material should be placed in a continuous and uniform layer along the bottom of the trench, with a minimum thickness of 6 inches. The width of the bedding layer should be at least 1.5 times the outside diameter of the pipe, or as specified by the pipe manufacturer. Backfill material is used to fill the remaining space around the pipe after the bedding is in place. The backfill material should also be a granular material, free from large stones, debris, or organic matter. It should be compacted in layers around the pipe, typically in 6-inch increments, using appropriate compaction equipment. The backfill should be placed evenly around the pipe, ensuring that there are no voids or gaps. It is important to avoid excessive compaction that could lead to damage or deformation of the pipe. The backfill material should extend above the top of the pipe to provide a minimum of 12 inches of cover. In addition to the bedding and backfill requirements, it is essential to follow any specific guidelines provided by the pipe manufacturer. These guidelines may include recommendations for specific materials, compaction methods, or additional protective measures. Overall, the proper bedding and backfilling of ductile iron pipes is crucial for maintaining the structural integrity and preventing damage or failure of the pipe system. Adhering to industry standards and manufacturer specifications ensures the longevity and performance of the pipes in various applications.

Q: How does ductile iron pipe perform in areas with high soil consolidation?: In areas characterized by significant soil consolidation, the performance of ductile iron pipe is outstanding. This is because ductile iron possesses inherent strength and flexibility, making it an ideal choice for underground installations where soil consolidation is prevalent. The ground in areas with high soil consolidation often undergoes substantial movement and settling, presenting challenges for buried infrastructure. However, ductile iron pipe's unique characteristics enable it to withstand these conditions effectively. To begin with, the high tensile strength of ductile iron allows it to resist external forces and pressures exerted by the surrounding soil. This strength ensures that the pipe maintains its structural integrity even in areas with high soil consolidation. Furthermore, ductile iron exhibits exceptional resistance to deformation, enabling it to handle ground movement without cracking or breaking. Its flexibility allows the pipe to absorb lateral forces associated with soil consolidation, preventing any damage. Additionally, ductile iron pipe is renowned for its durability and long service life. It is highly resistant to corrosion, abrasion, and chemical attacks, further enhancing its performance in areas with high soil consolidation. This resistance guarantees that the pipe remains intact and fully functional, even in challenging soil conditions. Moreover, the joints of ductile iron pipe are designed to provide secure and leak-free connections. This eliminates the risk of soil infiltration, which can exacerbate soil consolidation and lead to further ground movement. In conclusion, ductile iron pipe is exceptionally suited for areas with high soil consolidation due to its strength, flexibility, durability, and leak-free joints. Its ability to withstand ground movement and maintain structural integrity makes it a reliable choice for underground installations in such conditions.

Q: Can ductile iron pipes be used for river crossings?: Yes, ductile iron pipes can be used for river crossings. Ductile iron is a strong and durable material that is capable of withstanding the pressure and stress of being buried and crossed by a river. It is commonly used for various applications, including water and sewage systems, and has been proven to be reliable for river crossings. However, it is important to consider other factors such as the depth of the river, the size and weight of the pipes, and the installation process to ensure the proper design and installation of the ductile iron pipes for river crossings.

Q: Are ductile iron pipes resistant to sulfuric acid corrosion?: Generally, ductile iron pipes exhibit resistance to corrosion caused by sulfuric acid. Ductile iron, known for its strength and durability, contains a substantial amount of iron, which renders it less vulnerable to the harmful effects of sulfuric acid compared to materials like cast iron or steel. Nevertheless, it is crucial to consider that the degree of resistance can vary depending on factors such as the concentration and temperature of the sulfuric acid, as well as the duration of exposure. In scenarios where the acid is highly concentrated or the temperature is elevated, additional precautions may be required to guarantee long-term protection against sulfuric acid corrosion. These measures could include lining the pipes with suitable materials or employing corrosion inhibitors.

Q: How do ductile iron pipes perform in freeze-thaw cycles?: Ductile iron pipes perform exceptionally well in freeze-thaw cycles. The material properties of ductile iron, such as its high tensile strength and excellent impact resistance, make it highly resistant to the stresses caused by freeze-thaw cycles. Unlike other materials, ductile iron pipes can withstand the expansion and contraction that occurs during freezing and thawing without cracking or breaking. One of the key reasons why ductile iron pipes excel in freeze-thaw conditions is their ability to absorb and dissipate stresses. The high ductility of the material allows it to deform slightly under stress, thereby releasing the built-up pressure and preventing any damage to the pipe. This characteristic ensures that the pipes can handle the repeated cycles of freezing and thawing without compromising their structural integrity. Additionally, ductile iron pipes have a protective and durable coating, such as cement mortar lining or polyethylene encasement, which further enhances their resistance to freeze-thaw cycles. These coatings provide an additional layer of protection and prevent water from coming into direct contact with the iron, reducing the potential for corrosion. Furthermore, ductile iron pipes have a long service life, typically exceeding 100 years. This longevity is attributed to the material's inherent strength and resistance to various environmental factors, including freeze-thaw cycles. The pipes' ability to withstand these cycles without significant damage ensures the reliability and durability of the water distribution system, even in areas prone to freezing temperatures. In conclusion, ductile iron pipes are highly reliable and perform exceptionally well in freeze-thaw cycles. Their high tensile strength, impact resistance, ability to absorb stresses, and protective coatings make them a preferred choice for water distribution systems in regions with harsh winter conditions.

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