T Type Ductile Iron Pipe DN500 Socket Spigot pipe

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t

Supply Capability:: 30000 m.t/month

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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

PACKING: 1) Pipesare bundled together with the steel belt.

2) Wooden pieces are put between the pipes.

Q:How does ductile iron pipe compare to steel pipe in terms of durability?: Ductile iron pipe is generally considered to be more durable than steel pipe. It has superior strength and durability due to its unique microstructure, which allows it to withstand higher levels of pressure, impacts, and loads. Ductile iron pipe also has better corrosion resistance properties, making it less prone to rust and deterioration compared to steel pipe. Additionally, ductile iron pipe has a longer lifespan and requires less maintenance, making it a more reliable and durable choice for various applications.

Q:Are ductile iron pipes suitable for use in hydroelectric dams?: Yes, ductile iron pipes are suitable for use in hydroelectric dams. Ductile iron is a type of iron that has a higher degree of flexibility and strength compared to traditional cast iron. This makes it an ideal choice for many applications, including water transmission systems in hydroelectric dams. Ductile iron pipes are known for their durability and resistance to corrosion, which is crucial in a dam environment where water exposure is constant. They can withstand high pressures and extreme temperatures, making them suitable for the demanding conditions found within hydroelectric dams. Additionally, ductile iron pipes have excellent joint integrity, ensuring that they remain leak-proof and reliable over their lifespan. This is important for maintaining the efficiency and effectiveness of a hydroelectric dam's water transmission system. Furthermore, ductile iron pipes are cost-effective compared to other materials, such as steel or concrete. They have a long service life, require minimal maintenance, and are readily available, making them a practical choice for hydroelectric dam projects. In conclusion, ductile iron pipes are a suitable choice for use in hydroelectric dams due to their durability, resistance to corrosion, high-pressure tolerance, joint integrity, and cost-effectiveness. They provide the necessary strength and flexibility to efficiently transport water within the dam, contributing to the overall success and longevity of the hydroelectric power generation system.

Q:Can ductile iron pipe be used for wastewater treatment plant sludge dewatering?: Ductile iron pipe is suitable for the dewatering of sludge in wastewater treatment plants. Its durability, strength, and resistance to corrosion make it a popular choice in these facilities. The pipes can withstand the harsh conditions and abrasive characteristics of the sludge dewatering process. Moreover, their leak-proof joints are essential in preventing any sludge leakage during dewatering. Furthermore, ductile iron pipes come in different sizes and are easy to install, making them a convenient option for wastewater treatment plant sludge dewatering.

Q:Can ductile iron pipes be used in areas with high levels of hydrogen sulfide gas and corrosion potential?: Ductile iron pipes can be used in areas with high levels of hydrogen sulfide gas and corrosion potential, but it is important to consider certain factors before making a decision. Ductile iron pipes have a high resistance to corrosion, especially when they are properly protected with external coatings and linings. This makes them suitable for environments with moderate levels of hydrogen sulfide gas and corrosion potential. However, in areas with extremely high levels of hydrogen sulfide gas and severe corrosion potential, other materials like corrosion-resistant alloys or specially coated pipes may be more appropriate. It is crucial to conduct a thorough evaluation of the specific conditions in the area to determine the suitability of ductile iron pipes. Factors such as the concentration of hydrogen sulfide gas, the presence of other corrosive elements or chemicals, and the overall corrosiveness of the environment should be considered. Additionally, the local regulations and industry standards must be consulted to ensure compliance and safety. In conclusion, while ductile iron pipes can withstand moderate levels of hydrogen sulfide gas and corrosion potential, a comprehensive assessment of the specific conditions is necessary to determine their suitability. Consulting with experts in the field and considering alternative materials may be required in areas with high levels of hydrogen sulfide gas and severe corrosion potential.

Q:How do ductile iron pipes handle ground settlement due to construction activities?: Ductile iron pipes have the ability to handle ground settlement caused by construction activities due to their flexibility and strength. These pipes are designed to withstand external pressure and can accommodate minor ground movements without significant damage or failure. The ductility of the material allows the pipes to deform slightly, absorbing the ground settlement and preventing them from cracking or breaking. Additionally, the joints in ductile iron pipes are typically flexible, allowing for further movement and reducing the risk of leakage or structural issues. Overall, ductile iron pipes are well-suited for withstanding ground settlement and ensuring the integrity of the pipeline system during construction activities.

Q:Are ductile iron pipes suitable for railway crossings?: Yes, ductile iron pipes can be suitable for railway crossings. Ductile iron is a strong and durable material that has been widely used in various applications, including water and sewage systems. Its high tensile strength and flexibility make it suitable for withstanding heavy loads and vibrations, which are common near railway crossings. Furthermore, ductile iron pipes have excellent resistance to corrosion, which is crucial in areas prone to moisture and exposure to different weather conditions. This resistance ensures the longevity of the pipes, reducing maintenance and replacement costs. Additionally, ductile iron pipes are known for their ease of installation and versatility. They can be easily connected with other types of pipes or fittings, allowing for a seamless integration into the overall railway crossing infrastructure. It is important to note that the suitability of ductile iron pipes for railway crossings also depends on various factors such as load requirements, soil conditions, and specific project specifications. Consulting with engineering professionals and adhering to industry standards and regulations is essential to ensure the appropriate selection and installation of ductile iron pipes for railway crossings.

Q:Can ductile iron pipes be used for gas distribution systems?: Certainly, gas distribution systems can utilize ductile iron pipes. The utilization of ductile iron pipes in various infrastructure applications, such as gas distribution systems, is widespread due to their exceptional qualities, including strength, durability, and resistance to corrosion. These pipes are engineered to withstand the high-pressure flow of gas and are suitable for installations both above and below ground. Furthermore, ductile iron pipes exhibit remarkable resistance to external loads, minimizing the risk of damage or fracture, thereby establishing them as a dependable and secure choice for gas distribution systems. Nevertheless, it is crucial to ensure that the pipes receive proper coating and protection against any potential corrosive elements present in the gas or soil to guarantee their longevity and optimal performance.

Q:How does ductile iron pipe compare to PVC pipe in terms of strength?: Generally, ductile iron pipe is considered stronger than PVC pipe due to its composition of iron and carbon, which provides it with high tensile strength and resistance to breakage. It is commonly utilized in heavy-duty applications like water mains, sewer lines, and industrial piping due to its ability to withstand high pressures. On the flip side, PVC pipe is manufactured using a plastic material known as polyvinyl chloride. While PVC pipe is lightweight and easy to handle, it lacks the strength of ductile iron pipe. It is typically used in low-pressure applications such as household plumbing, irrigation systems, and drainage pipes. When comparing the strength of ductile iron pipe to PVC pipe, the former has a greater capacity to handle heavy loads, endure ground movement, and resist damage from external factors like rocks or tree roots. Additionally, ductile iron pipe is more durable and has a longer lifespan in comparison to PVC pipe. However, it is important to consider that the choice between ductile iron pipe and PVC pipe ultimately depends on the specific requirements of the project. Factors such as cost, environmental conditions, ease of installation, and desired longevity should all be taken into account when determining the appropriate type of pipe to utilize.

Q:What is the maximum allowable deflection for ductile iron pipes?: Industry standards and guidelines, like those from the American Water Works Association (AWWA) and the Ductile Iron Pipe Research Association (DIPRA), typically specify the maximum allowable deflection for ductile iron pipes. These standards state that the maximum allowable deflection should be a certain percentage of the pipe's outside diameter. AWWA C150/A21.50 and DIPRA's Technical Bulletin No. 10 explain that the maximum allowable deflection for ductile iron pipes can vary depending on factors such as pipe size, wall thickness, and soil conditions. However, a general rule is that the maximum allowable deflection should not exceed 3% of the pipe's outside diameter. It is important to keep in mind that going beyond the maximum allowable deflection can lead to potential structural problems and reduced performance of the ductile iron pipe. Therefore, it is crucial to follow the industry standards and guidelines to ensure the proper installation and functioning of ductile iron pipes.

Q:How does ductile iron pipe perform in extreme weather conditions?: Ductile iron pipe performs exceptionally well in extreme weather conditions. Its superior strength and durability make it resistant to cracking, breaking, or corroding, even in harsh environments. This stability allows it to withstand extreme temperatures, high winds, heavy rain, and even seismic activities, ensuring reliable performance and longevity.

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