• DUCTILE IRON PIPE DN300 K8/C System 1
  • DUCTILE IRON PIPE DN300 K8/C System 2
  • DUCTILE IRON PIPE DN300 K8/C System 3
  • DUCTILE IRON PIPE DN300 K8/C System 4
DUCTILE IRON PIPE DN300 K8/C

DUCTILE IRON PIPE DN300 K8/C

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Loading Port:
China Main Port
Payment Terms:
TT OR LC
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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

Q: What is the expected surge pressure rating of ductile iron pipes?
The surge pressure rating for ductile iron pipes can vary based on several factors, including pipe diameter, thickness, joint type, and manufacturer specifications. Generally, ductile iron pipes are built to withstand surge pressures ranging from 150% to 200% of their working pressure rating. For instance, if a ductile iron pipe has a working pressure rating of 250 psi, it can typically handle surge pressures of 375 psi to 500 psi. To obtain accurate surge pressure ratings for the specific ductile iron pipes being used, it is crucial to refer to the manufacturer's specifications and guidelines.
Q: Why does the construction wastewater system use ductile iron pipes instead of galvanized steel tubes?
Then answer your question: first, the strength of ductile iron is much higher than that of ordinary low carbon steel, such as Q235. Corrosion resistance is much higher than that of ordinary steel pipe and the cost is lower than that of ordinary steel pipe. Second, large diameter steel pipe can only be made of spiral welded pipe, seamless steel pipe is particularly expensive, will not be used. The welded pipe is welded, easy to corrosion water leakage. Third, galvanizing is also a life and very expensive, the pipe has a fluid will wear on the inner wall, zinc plating is meaningless. Galvanized pipe is generally used as a water supply pipe, large caliber water pipes, such as more than 250, and now do not use steel pipes, mostly plastic pipes
Q: Do rigid cement cast iron pipes need cement piers?
Ductile weakness: ductile cast iron pipes connected by human factors such as the operation level of responsibility, influence, construction not convenient. The advantages of PE PE PE pipe has good corrosion resistance and its anti inorganic performance than that of the metal pipe is much stronger in the buried without corrosion, construction convenient. Small diameter PE pipe in the price performance ratio is better than that of steel and ductile iron.PE tube have disadvantages: benzene, gasoline, carbon tetrachloride and other organic solvents have certain effect on pe. If the organic solvent is infiltrated into the polyethylene, the swelling will occur, and its physical properties will be decreased. Its pressure resistance and temperature resistance are poor.
Q: What is the expected joint deflection of ductile iron pipes?
Various factors, such as the pipe diameter, joint type, and installation conditions, influence the expected joint deflection of ductile iron pipes. Generally, ductile iron pipes are designed to allow for some deflection at the joints to accommodate flexibility and movement. The American Water Works Association (AWWA) offers guidelines for the maximum allowable joint deflection of ductile iron pipes. According to AWWA C151/A21.51, the joint deflection should typically not exceed 3 degrees or 1% of the nominal pipe diameter, whichever is greater. It is crucial to ensure that the joint deflection remains within the specified limits to maintain the structural integrity and performance of the pipeline system. Excessive joint deflection can result in leaks, failures, and reduced pipe lifespan. To accurately determine the expected joint deflection for a specific installation, it is recommended to refer to the manufacturer's specifications and guidelines. These specifications may vary based on pipe size, joint type, and other factors. Seeking guidance from a qualified engineer or directly contacting the manufacturer can provide precise information tailored to the project requirements.
Q: Ductile iron pipe connection mode
The connection mode of ductile iron pipe installation program: clean up the socket socket to clean up on the apron, apron, pipe (tube), Jack in appearance and rubber brush lubricant to push the pipe into socket to check.
Q: Can ductile iron pipe be used for marine applications?
Yes, ductile iron pipe can be used for marine applications. It is corrosion-resistant and has high strength, making it suitable for various marine environments and applications such as underwater pipelines, dock construction, and seawater intake systems.
Q: What is the process of fusion bonding for ductile iron pipes?
Ductile iron pipes are joined together through the fusion bonding process, which involves applying heat and pressure to create a strong and long-lasting bond. This technique is commonly used in the construction and installation of underground water, sewer, and gas pipelines. To start the fusion bonding process, the surfaces of the pipes are thoroughly cleaned and prepared. This includes removing any dirt, debris, or rust that could hinder proper bonding. Specialized tools and techniques, such as wire brushing or sandblasting, are often utilized to ensure a clean and smooth surface. Once the surfaces are prepared, the pipes are aligned and securely clamped together. A fusion bonding machine, also known as a fusion welder, is then employed to apply heat and pressure to the joint. The fusion bonding machine consists of heating elements positioned around the joint and a hydraulic system that applies the necessary pressure. The heating elements, typically powered by electricity or gas, are designed to reach high temperatures capable of melting the ductile iron material. As the heat is applied, the ductile iron surfaces soften and fuse together, creating a strong bond. The pressure from the fusion bonding machine ensures that the molten iron flows evenly and uniformly between the joint surfaces, resulting in a seamless connection. The duration of the fusion bonding process varies depending on the size and thickness of the pipes and the specific project requirements. Once the fusion bonding is complete, the joint is allowed to cool and solidify, forming a permanent and leak-proof connection. Fusion bonding offers numerous advantages for ductile iron pipes. It provides a reliable and durable joint that can withstand high pressure, temperature variations, and external loads. The seamless connection also minimizes the risk of leaks, which is particularly important for underground pipelines that transport water, sewage, or gas. Overall, fusion bonding is a widely utilized technique for joining ductile iron pipes, ensuring their structural integrity and longevity in various infrastructure projects.
Q: Can ductile iron pipes be used for dam construction?
Indeed, dam construction can utilize ductile iron pipes. Renowned for their robustness, longevity, and resistance to corrosion, these pipes prove apt for various purposes, including the construction of dams. They exhibit remarkable resilience under intense pressure, rendering them perfect for transporting water and other fluids throughout the dam's framework. Moreover, their capacity to withstand external forces and ground shifts establishes them as a dependable option for dam construction. Furthermore, the relative ease of installation and maintenance of ductile iron pipes enhances their appropriateness for dam construction endeavors.
Q: Can ductile iron pipe be used for underground applications?
Indeed, underground applications can employ ductile iron pipe. Renowned for its robustness and endurance, ductile iron pipe proves to be well-suited for a multitude of underground uses, including water and sewage systems, gas pipelines, and irrigation systems. Its exceptional resistance to corrosion and external burdens renders it a dependable selection for underground installations, where sustained functionality and structural soundness are pivotal considerations. Moreover, ductile iron pipe's pliability enables it to endure ground shifting and settling sans fracturing or shattering, making it an apt choice for regions susceptible to seismic occurrences.
Q: What is the expected leakage rate of ductile iron pipes?
The expected leakage rate of ductile iron pipes can vary depending on various factors such as the age, condition, and installation quality of the pipes. However, on average, ductile iron pipes are known to have a relatively low leakage rate, typically ranging from 0.1 to 0.5 gallons per minute per mile of pipe.

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