DUCTILE IRON PIPE DN600 K8/C

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 20 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

Urban construction pipe, machine structure pipe, agriculture equipment pipe, water and gas pipe, Greenhouse pipe, Scaffolding pipe, Building material tube, Furniture tube, Low pressure fluid tube, Oil pipe, etc

Q: What are ductile iron pipes?: Ductile iron pipes are a type of iron pipe that possess high tensile strength and flexibility. They are made by treating cast iron with trace amounts of magnesium to create a material that is stronger and more resilient than traditional cast iron pipes. The addition of magnesium changes the microstructure of the iron, resulting in a matrix of graphite nodules within the iron, hence the name "ductile iron". This unique structure gives ductile iron pipes their remarkable properties, making them highly resistant to cracking and breaking even under high pressure and extreme temperature conditions. Ductile iron pipes are commonly used in water and wastewater systems, as well as in various industrial applications, due to their durability, longevity, and ability to withstand external loadings. They are also known for their ease of installation and low maintenance requirements, making them a popular choice in the construction industry.

Q: Can ductile iron pipes be used for oil and gas pipelines?: Yes, ductile iron pipes can be used for oil and gas pipelines. Ductile iron is known for its durability, strength, and corrosion resistance, making it suitable for transporting oil and gas. Its high tensile strength and ability to withstand pressure and extreme temperatures make it a reliable choice for these applications.

Q: What is the expected deflection range for ductile iron pipes?: The expected deflection range for ductile iron pipes can vary depending on several factors such as pipe diameter, wall thickness, soil conditions, and installation methods. Generally, ductile iron pipes have a higher deflection capacity compared to other materials like PVC or concrete pipes. For smaller diameter ductile iron pipes (up to 12 inches), the expected deflection range is typically around 2-3% of the pipe diameter. This means that a 12-inch ductile iron pipe could deflect up to approximately 0.24-0.36 inches. For larger diameter ductile iron pipes (greater than 12 inches), the expected deflection range can be slightly higher, ranging from 2-5% of the pipe diameter. This means that a 24-inch ductile iron pipe could deflect up to approximately 0.48-1.2 inches. It is important to note that these values are general estimates and should be verified with the manufacturer's specifications or engineering design guidelines for a specific project. Additionally, proper installation techniques and backfilling practices should be followed to ensure the pipe's structural integrity and prevent excessive deflection.

Q: Are ductile iron pipes resistant to microbiologically induced corrosion?: Generally, ductile iron pipes exhibit resistance to microbiologically induced corrosion (MIC). Ductile iron, a variant of cast iron, undergoes treatment involving the addition of magnesium to enhance its strength and flexibility. Consequently, this process forms a protective layer on the iron's surface, rendering it less prone to corrosion initiated by microorganisms. MIC arises when specific bacteria, fungi, or other microorganisms interact with the metal surface of pipes, producing corrosive byproducts. Nevertheless, ductile iron generally resists MIC due to the presence of the protective layer, which acts as a barrier, thus preventing direct contact between microorganisms and the metal surface. Furthermore, ductile iron pipes are often coated with cement mortar or other protective coatings, further bolstering their corrosion resistance. These linings supply an additional layer of defense against microorganisms, reducing the likelihood of MIC. Nevertheless, it is crucial to note that the extent of resistance to MIC can vary depending on the specific conditions and environment in which the pipes are installed. Factors such as water quality, temperature, and the presence of certain microorganisms can influence the susceptibility of ductile iron pipes to MIC. Consequently, it is imperative to consider these factors and implement appropriate measures to prevent MIC. This may include regularly monitoring water quality, maintaining the pipes properly, and employing corrosion inhibitors or biocides when necessary.

Q: What is the difference between ductile iron pipes and cast iron pipes?: Ductile iron pipes and cast iron pipes have different compositions, properties, manufacturing processes, and applications. Ductile iron pipes are made from a type of cast iron known as ductile iron, which contains higher levels of carbon, silicon, and other alloying elements like magnesium. On the other hand, cast iron pipes are made from regular cast iron, which has a higher carbon content and lower levels of alloying elements. In terms of properties, ductile iron pipes are recognized for their high tensile strength, flexibility, and durability. They can withstand higher pressure and have a greater resistance to impact, making them suitable for applications that demand robust performance. Conversely, cast iron pipes are more brittle and fragile, making them susceptible to cracking or breaking under pressure or impact. The manufacturing process differs as well. Ductile iron pipes are formed through centrifugal casting, in which molten ductile iron is poured into a spinning mold. This centrifugal force aids in the even distribution of the molten metal, resulting in a strong and uniform pipe. On the other hand, cast iron pipes are made using sand casting, where molten cast iron is poured into a mold made of compacted sand. This method is less precise and can result in variations in the final product. In terms of applications, ductile iron pipes are commonly used in water and sewage systems, as well as in industrial pipelines that require high-pressure resistance. Cast iron pipes, on the other hand, are typically used in non-pressure applications such as drainage systems or underground sewer lines. To summarize, ductile iron pipes and cast iron pipes differ in their composition, properties, manufacturing processes, and applications. Ductile iron pipes offer greater strength, flexibility, and durability, making them suitable for high-pressure applications, while cast iron pipes are more brittle and commonly used in non-pressure applications.

Q: Can ductile iron pipes be used for underground utilities?: Yes, ductile iron pipes can be used for underground utilities. Ductile iron pipes are known for their durability, strength, and resistance to external pressure. This makes them a suitable choice for underground applications where the pipes need to withstand heavy loads, such as those found in utility installations. Ductile iron pipes are also resistant to corrosion, which is important for underground environments where the pipes are exposed to moisture and soil conditions. Additionally, these pipes have a longer service life compared to other materials, reducing the need for frequent replacements and maintenance. Therefore, ductile iron pipes are commonly used for underground utilities such as water distribution, sewage systems, and gas pipelines.

Q: How does ductile iron pipe perform in areas with high soil consolidation?: Ductile iron pipe performs exceptionally well in areas with high soil consolidation. The inherent strength and flexibility of ductile iron make it a suitable choice for underground installations where the soil tends to consolidate, or settle, over time. In areas with high soil consolidation, the ground often experiences significant movement and settling, which can pose challenges for buried infrastructure. However, ductile iron pipe's unique characteristics enable it to withstand these conditions. Firstly, ductile iron has a high tensile strength, which means it can resist external forces and pressures exerted by the surrounding soil. This strength allows the pipe to maintain its structural integrity even in areas with high soil consolidation. Secondly, ductile iron is highly resistant to deformation and can handle ground movement without cracking or breaking. The pipe's flexibility allows it to absorb the lateral forces associated with soil consolidation and prevents it from being damaged. Additionally, ductile iron pipe is known for its durability and long service life. It is resistant to corrosion, abrasion, and chemical attacks, further enhancing its performance in areas with high soil consolidation. This resistance ensures that the pipe remains intact and functional, even in challenging soil conditions. Moreover, ductile iron pipe's joints are designed to provide a secure and leak-free connection. This eliminates the risk of soil infiltration, which can potentially worsen soil consolidation and lead to further ground movement. In summary, ductile iron pipe performs exceptionally well in areas with high soil consolidation due to its strength, flexibility, durability, and leak-free joints. Its ability to withstand ground movement and maintain its structural integrity makes it a reliable option for underground installations in such conditions.

Q: Can ductile iron pipes be repaired if damaged?: Yes, ductile iron pipes can be repaired if damaged. Various repair methods such as welding, clamping, or using repair couplings can be employed to fix cracks, breaks, or other damages in ductile iron pipes. However, the extent and type of damage will determine the most suitable repair method. It is recommended to consult with professionals or experts in pipe repair to ensure proper and effective repairs.

Q: What are the differences between cast iron pipes W and A?: Type W: combination of both advantages of the connection type A interface has the advantages of high strength and convenient installation, because of the use of W type straight pipe and reduces the material cost and can be coupled with the design structure of the B type pipe is more compact than the A type pipe, saving installation space.

Q: What is the expected pressure class for ductile iron pipes?: The expected pressure class for ductile iron pipes can vary depending on the specific application and the requirements of the project. However, generally speaking, ductile iron pipes are designed to handle high-pressure applications and are commonly available in pressure classes ranging from 150 psi (pounds per square inch) to 350 psi. These pressure classes indicate the maximum operating pressure that the pipe can withstand while maintaining its structural integrity. It is important to consult with industry standards and guidelines, as well as the project specifications, to determine the appropriate pressure class for ductile iron pipes in a given situation.

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