DUCTILE IRON PIPE DN600 K9/C

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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 resistant to acid mine drainage corrosion?: Generally, ductile iron pipes are resistant to corrosion caused by acid mine drainage (AMD). Ductile iron is a highly durable material that has been widely used in various industries, including mining and water distribution, because of its excellent ability to resist corrosion. AMD is a significant environmental issue that occurs when water comes into contact with sulfide minerals in mining areas, resulting in the formation of sulfuric acid. This acid can cause damage to various materials, including pipes, and can contaminate water sources. Ductile iron pipes have a protective layer made of cement mortar or epoxy coating, which acts as a barrier between the corrosive AMD and the pipe material. This protective layer prevents direct contact and reduces the likelihood of corrosion. Moreover, ductile iron pipes have a strong resistance to both internal and external corrosion, making them suitable for environments where AMD may be present. They have a proven track record of reliability and longevity, even in harsh conditions, ensuring the integrity of the water distribution system and minimizing the risk of leaks or failures. However, it's important to note that the resistance of ductile iron pipes to AMD corrosion can depend on other factors, such as the specific composition and concentration of the AMD, the duration of exposure, and the temperature. Therefore, it is recommended to seek advice from experts and conduct thorough material testing and analysis to determine the suitability of ductile iron pipes in specific AMD environments.

Q:Are ductile iron pipes suitable for sewage treatment plants?: Ductile iron pipes, without a doubt, prove to be an appropriate choice for sewage treatment plants. The material itself, known for its strength and durability, can endure the challenging conditions commonly encountered in such facilities. It boasts high tensile strength and exceptional resistance to corrosion, safeguarding it against the destructive influence of sewage and various chemicals present in wastewater. Furthermore, the smooth interior surface of ductile iron pipes facilitates the efficient flow of wastewater, thus minimizing the likelihood of clogs or blockages. Their installation and maintenance procedures are also hassle-free, rendering them a cost-effective alternative for sewage treatment plants. When it comes down to it, ductile iron pipes emerge as a dependable and enduring solution for the transportation of sewage within these establishments.

Q:Can ductile iron pipes be recycled?: Yes, ductile iron pipes can be recycled. Ductile iron is a highly recyclable material, and the pipes can be melted down and reused in various applications, reducing the need for raw materials and promoting a more sustainable approach to infrastructure development.

Q:How are ductile iron pipes protected against erosion caused by high-velocity flow?: Ductile iron pipes are protected against erosion caused by high-velocity flow through various methods and techniques. One common method is the application of protective coatings on the inner surface of the pipes. These coatings create a barrier between the flowing water and the pipe material, reducing the abrasive effects of the high-velocity flow. The coatings used may include epoxy, polyurethane, or cement-mortar lining, depending on the specific requirements of the application. Additionally, manufacturers often design the pipes with increased wall thickness in areas that are prone to erosion, such as bends or areas where the flow velocity is highest. This extra thickness provides additional strength and resistance against erosion. Another technique used to protect ductile iron pipes from erosion is the implementation of flow control devices, such as flow deflectors or velocity-reducing fittings. These devices help to redirect the flow and reduce its velocity, thereby minimizing the impact on the pipe walls. Regular maintenance and inspections are also crucial in preventing erosion. By monitoring the condition of the pipes and identifying any signs of erosion early on, appropriate measures can be taken to address the issue before it escalates. This may involve repairing or replacing damaged sections of the pipes, as well as implementing erosion control measures such as sediment filters or flow restrictors. Overall, a combination of protective coatings, design considerations, flow control devices, and proactive maintenance strategies are employed to ensure that ductile iron pipes are adequately protected against erosion caused by high-velocity flow.

Q:Principles for the antiseptic treatment of ductile iron pipes: The principle that the antiseptic treatment of ductile iron pipes must be complied with is that.1. internal and external surface coating shall be kept clean, remove rust and impurities2. after coating on the inside and outside surface, the coating should be even and smooth, firm and firm, and shall not be abnormal because of climate change3. coating for water delivery should be insoluble in water, no peculiar smell, harmful impurities content

Q:Can ductile iron pipes be used for underground sewage systems?: Yes, ductile iron pipes can be used for underground sewage systems. Ductile iron is a type of cast iron that has enhanced flexibility and strength, making it suitable for various applications, including sewage systems. Ductile iron pipes offer several advantages for underground sewage systems. Firstly, they have excellent corrosion resistance, which is crucial in sewage systems where the presence of moisture and chemicals can cause corrosion over time. This resistance to corrosion ensures the long-term durability and reliability of the pipes. Secondly, ductile iron pipes have high tensile strength, allowing them to withstand the pressure and stress that can occur in underground sewage systems. They are resistant to ground movements, such as soil settling or shifting, which can cause damage to other types of pipes. Furthermore, ductile iron pipes have a smooth internal surface, which results in a better flow capacity and reduces the likelihood of clogging or blockages in the sewage system. This smooth surface also helps to minimize the accumulation of debris and sediment, reducing the need for frequent maintenance and cleaning. Another important factor is that ductile iron pipes are available in various sizes and can easily be connected using a range of joint systems, allowing for flexibility in designing and constructing underground sewage systems. In summary, ductile iron pipes are an excellent choice for underground sewage systems due to their corrosion resistance, high tensile strength, smooth internal surface, and ease of installation.

Q:Can ductile iron pipe be used in areas with high groundwater levels?: Yes, ductile iron pipe can be used in areas with high groundwater levels. Ductile iron is known for its durability and corrosion resistance, making it suitable for underground applications including areas with high groundwater levels.

Q:Are ductile iron pipes suitable for use in brewery facilities?: Yes, ductile iron pipes are suitable for use in brewery facilities. Ductile iron pipes are durable, corrosion-resistant, and can withstand high-pressure applications, making them ideal for transporting water, steam, and other fluids within brewery facilities. Additionally, the smooth interior surface of ductile iron pipes minimizes friction and prevents the build-up of sediments or organic materials, ensuring the purity and quality of the beer being produced.

Q:Can ductile iron pipes be used for underground mining applications?: Underground mining applications can indeed utilize ductile iron pipes. Ductile iron, renowned for its robustness, is capable of enduring the demanding conditions and weighty burdens that mining ventures entail. This material exhibits remarkable resistance to corrosion and possesses the capacity to withstand high-pressure and high-temperature settings. Furthermore, ductile iron pipes offer flexibility, facilitating effortless installation and maintenance, rendering them fitting for underground mining applications that prioritize mobility and adaptability. In summary, ductile iron pipes present a dependable and economical option for underground mining operations.

Q:What is the excavation width of ductile iron pipes with diameters greater than 1400?: Then, according to the soil characteristics, different slopes are calculated, and the width of the excavation is calculated according to the depth and slopeIf the soil is soft, high water content and easy to collapse, the excavation width will be wide, otherwise the slope will be steep and the excavation width will be narrow

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