EN545 Ductile Iron Pipe DN300

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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, EN545:2006，K9 K8

2) Effective length: 6m/5.7m

3) Inner cement line: Portland cement lineas per ISO4179

4) Zinc coating: at least 130g/m² as per ISO8179

5) Bitumen painting: at least 70μm as per ISO8179

6)With 102% quantity of NBR, SBR, or EPDM ring asper ISO4633

7) DN80-DN1200

8) Highstrength, lighter than grey iron, good corrosion resistance, no furring, smallflow resistance, easy fixing, long life tome about 100 yeas

9)Checked by automatic inspection equipment

10) 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

11) 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

12) T type mechanical joint

13) Packing: in bulk or container, bundle, paint ,cap,container ,etc.according to customers' requirement.

1) Pipesare bundled together with the steel belt.

2) Wooden pieces are put between the pipes.

Q: Can ductile iron pipes be used in nuclear power plants?: Ductile iron pipes are suitable for use in nuclear power plants due to their improved flexibility and strength compared to traditional cast iron pipes. They are known for their durability, resistance to corrosion, and ability to withstand high pressure and temperature conditions. These pipes are a reliable and robust choice for transporting water, coolant, and other fluids in nuclear power plants. However, it is crucial to consider the specific requirements and regulations of each power plant before selecting the pipe material. It is necessary to ensure proper testing, certification, and compliance with nuclear industry standards to guarantee the safe and efficient operation of the power plant.

Q: Are ductile iron pipes suitable for installation in areas with high groundwater salinity?: Ductile iron pipes are generally suitable for installation in areas with high groundwater salinity. Ductile iron is known for its corrosion resistance, making it a preferred choice for various applications, including water and wastewater systems. High groundwater salinity refers to an increased presence of dissolved salts in the water. While this can potentially cause corrosion in certain materials, ductile iron pipes are designed to withstand such conditions. Ductile iron pipes have a protective lining, typically made of cement mortar or polyurethane, which acts as a barrier between the pipe and the surrounding environment, including high salinity water. The lining helps to prevent any corrosive effects of the high groundwater salinity on the iron pipe, ensuring its long-term durability and reliability. Additionally, ductile iron pipes have a high tensile strength, allowing them to withstand external loads and pressure, even in challenging environments. It is important to note that the suitability of ductile iron pipes for areas with high groundwater salinity can also depend on factors such as the specific levels of salinity, the presence of other corrosive agents, and the overall design and installation practices. Therefore, it is recommended to consult with experts or engineers familiar with the local conditions to determine the most appropriate materials and precautions for specific installation projects.

Q: Are ductile iron pipes resistant to biogenic sulfide corrosion?: Yes, ductile iron pipes are resistant to biogenic sulfide corrosion. The high strength and durability of ductile iron make it highly resistant to the corrosive effects of biogenic sulfide, making it an ideal choice for underground sewer and wastewater applications.

Q: What are the typical joint restraint requirements for ductile iron pipes?: The typical joint restraint requirements for ductile iron pipes involve the use of mechanical joint restraints, such as thrust blocks or tie rods, to prevent the pipe from separating or moving under internal pressure or external forces. These restraints ensure the stability and integrity of the pipeline system.

Q: What are the advantages of cast iron pipes?: The ductile iron pipe with flexible joint construction, convenient operation, can improve the efficiency of construction, improve the construction conditions, reduce the construction cost, and most of the rubber ring connection interface, simple operation, can shorten the construction period, reduce the construction cost.

Q: Are ductile iron pipes suitable for desalination plants?: Yes, ductile iron pipes are suitable for desalination plants. They possess excellent corrosion resistance and durability, making them ideal for transporting seawater and brine solutions commonly found in desalination processes. Additionally, ductile iron pipes have high tensile strength, allowing them to withstand the high pressure and fluctuating temperatures associated with desalination operations.

Q: Can ductile iron pipes be used for underground utilities?: Underground utilities can indeed utilize ductile iron pipes. Renowned for their robustness, strength, and ability to withstand external pressure, ductile iron pipes prove to be a fitting option for subterranean applications demanding remarkable load-bearing capacity, such as utility installations. Furthermore, these pipes exhibit resistance to corrosion, a crucial attribute for underground environments that subject the pipes to dampness and soil conditions. Moreover, ductile iron pipes surpass alternative materials in terms of service life, thereby reducing the necessity for frequent replacements and maintenance. Consequently, ductile iron pipes find widespread application in underground utilities, encompassing water distribution, sewage systems, and gas pipelines.

Q: What are the typical maintenance requirements for ductile iron pipe?: To maintain ductile iron pipe, it is necessary to conduct regular inspections, clean the pipe, and repair any damage. Inspections play a crucial role in identifying signs of damage, corrosion, or leaks. This can be done visually or using non-destructive testing techniques such as ultrasonic or magnetic particle testing. Regular inspections are important for detecting and addressing issues before they worsen and cause significant damage. Cleaning is another essential maintenance requirement for ductile iron pipe. Over time, sediment, scale, and debris can accumulate inside the pipe, reducing its flow capacity and potentially causing blockages. Regular cleaning methods like high-pressure water jetting or mechanical cleaning can remove these deposits, ensuring optimal flow and preventing problems related to reduced flow or pressure. Repairing any damage or corrosion is crucial for maintaining ductile iron pipe. If cracks, leaks, or other forms of damage are detected during inspections, prompt repairs are necessary to prevent further deterioration and potential failure. Depending on the extent of the damage, repairs may include welding, epoxy lining, or replacement of the affected section of the pipe. In addition to these specific maintenance requirements, implementing a comprehensive maintenance program is important. This may involve preventative measures such as cathodic protection to prevent corrosion or the application of protective coatings to extend the pipe's lifespan. Overall, regular inspections, cleaning, and repairs are necessary for maintaining ductile iron pipe. Following these maintenance practices ensures the pipe's longevity, reliability, and optimal performance, reducing the risk of failures and disruptions.

Q: What is the expected maintenance for ductile iron pipes?: The expected maintenance for ductile iron pipes involves regular inspections and preventative measures to ensure their longevity and optimal performance. Firstly, it is important to conduct routine visual inspections to identify any signs of corrosion, leaks, or other forms of damage. Inspecting the external surface for any signs of cracks, rust, or discoloration can help detect potential issues early on. Furthermore, periodic cleaning of the pipes is necessary to remove any debris or sediment buildup that may obstruct the flow of water. This can be achieved through flushing the pipes or using mechanical cleaning methods. Additionally, it is crucial to regularly check and maintain the protective coatings on the pipes, such as linings or external paints, to prevent corrosion and maintain their structural integrity. In terms of preventative maintenance, implementing a comprehensive corrosion control program can significantly extend the lifespan of ductile iron pipes. This can involve the application of corrosion inhibitors, cathodic protection systems, and periodic re-coating of the pipes. Regular monitoring of water chemistry parameters, such as pH levels and chlorine content, can also help prevent corrosion and extend the life of the pipes. Lastly, it is essential to keep accurate records of maintenance activities, including inspections, cleaning, and repairs, to track the condition of the pipes over time. This enables proactive planning for future maintenance and replacement needs, ultimately ensuring the efficient and reliable functioning of ductile iron pipes.

Q: What are the different sizes available for ductile iron pipes?: Ductile iron pipes are available in various sizes, typically ranging from 3 inches to 64 inches in diameter.

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