DUCTILE IRON PIPE DN350 K8

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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

Our main material are all carbon steel and alloy steel.

Q:Are ductile iron pipes suitable for use in irrigation gate systems?: Yes, ductile iron pipes are suitable for use in irrigation gate systems. Ductile iron is known for its durability, strength, and corrosion resistance, making it an ideal choice for applications requiring reliable and long-lasting piping systems like irrigation gate systems. Additionally, ductile iron pipes have excellent flow characteristics, allowing for efficient water distribution in irrigation systems.

Q:What is the expected service life of ductile iron pipe?: The expected service life of ductile iron pipe can vary depending on various factors such as the quality of the pipe, the environment it is installed in, and the maintenance and care it receives. However, on average, ductile iron pipe has a life expectancy of 80 to 100 years.

Q:How does ductile iron pipe perform in high-velocity flow conditions?: Ductile iron pipe performs exceptionally well in high-velocity flow conditions. Due to its unique properties, including high tensile strength and impact resistance, ductile iron pipe can withstand the forces exerted by high-velocity flows without experiencing significant damage or failure. One of the key advantages of ductile iron pipe is its ability to resist the effects of water hammer, which is a sudden increase in pressure caused by the rapid deceleration or change in direction of water flow. This is particularly important in high-velocity flow conditions where the velocity of water is significantly higher than normal. Ductile iron pipes are designed to absorb and dissipate the energy generated by water hammer, preventing potential damage to the pipe and the surrounding infrastructure. Additionally, ductile iron pipe has excellent flow characteristics, allowing for smooth and efficient water transport even at high velocities. This is crucial in applications where a large volume of water needs to be transported quickly, such as in industrial processes or fire protection systems. The smooth interior surface of ductile iron pipe minimizes friction and pressure losses, ensuring that the water can flow freely and efficiently, reducing energy consumption and operating costs. Moreover, ductile iron pipe is highly resistant to corrosion, which is a common issue in high-velocity flow conditions where the water may contain aggressive chemicals or particulates. The protective lining and coating systems used in ductile iron pipes provide a barrier against corrosion, extending the lifespan of the pipe and maintaining its structural integrity. In summary, ductile iron pipe is well-suited for high-velocity flow conditions due to its ability to withstand water hammer, its excellent flow characteristics, and its resistance to corrosion. Its strength, durability, and reliable performance make it a preferred choice for various applications, ensuring efficient water transport even in demanding environments.

Q:Can ductile iron pipe be used for stormwater management systems?: Ductile iron pipe is indeed suitable for stormwater management systems. It finds extensive use in diverse applications, such as stormwater drainage systems. Its exceptional attributes encompass robustness, longevity, and resistance against corrosion, rendering it highly capable of enduring the challenging conditions inherent in stormwater management. Furthermore, the installation and maintenance of ductile iron pipe are effortless, thus making it a cost-efficient selection for stormwater management systems. In summary, ductile iron pipe emerges as a dependable and fitting alternative for the construction of stormwater management systems.

Q:How does ductile iron pipe handle traffic loads and vibrations?: Due to its inherent strength and durability, ductile iron pipe is capable of effectively handling traffic loads and vibrations. The material properties of ductile iron, such as its high tensile strength and impact resistance, make it a dependable option for enduring heavy loads and vibrations caused by traffic. When exposed to traffic loads, ductile iron pipe has the capacity to distribute weight efficiently, minimizing stress concentrations and potential damage. Its flexible nature enables it to absorb and dissipate the forces exerted by traffic, preventing the formation of cracks or fractures. Furthermore, ductile iron pipe possesses the advantage of dampening vibrations. With its high density and stiffness, it can absorb and dissipate the energy generated by vibrations, lessening their impact on the pipe and surrounding infrastructure. This is especially crucial in areas with heavy traffic or construction activities, where vibrations are common. Moreover, ductile iron pipes are frequently designed and manufactured to meet industry standards and specifications, ensuring their ability to withstand expected traffic loads and vibrations. These pipes are commonly used in water distribution systems, sewers, and underground infrastructure, where they are subjected to various dynamic loads and vibrations. In conclusion, ductile iron pipe is an exceptional choice for managing traffic loads and vibrations due to its strength, flexibility, and capacity to dampen vibrations. Its consistent performance under these conditions makes it a preferred material for infrastructure projects, guaranteeing long-term durability and minimal impact on the pipe's structural integrity.

Q:Are ductile iron pipes resistant to UV degradation?: Ductile iron pipes are not inherently resistant to UV degradation. Exposure to ultraviolet (UV) radiation from the sun can cause the degradation of various materials, including ductile iron. However, it is important to note that the rate of UV degradation in ductile iron pipes is relatively slow compared to other materials such as plastics or rubber. To mitigate the effects of UV degradation on ductile iron pipes, protective measures can be taken. Coating the pipes with a suitable UV-resistant paint or applying an external protective layer can help minimize the impact of UV radiation. Additionally, proper installation and maintenance practices can also contribute to the longevity and durability of ductile iron pipes. It is worth mentioning that while UV degradation may not be the primary concern for ductile iron pipes, other factors such as corrosion, chemical attack, or mechanical stress can still affect their performance and lifespan. Therefore, it is important to consider all potential environmental factors and apply appropriate protective measures accordingly.

Q:How does ductile iron pipe handle soil movement?: Ductile iron pipe possesses exceptional strength and durability, making it highly effective in managing soil movement. When the surrounding soil shifts or settles, ductile iron pipes can flex and adapt to this movement without compromising their structural integrity. The ability of ductile iron pipes to handle soil movement stems from their inherent capacity to endure bending and stretching. They have a remarkable level of flexibility, allowing them to adjust to ground shifts and settle without experiencing any breakage or cracks. This flexibility arises from the distinctive material properties of ductile iron, a type of cast iron that has been treated with magnesium to enhance its strength and elasticity. Furthermore, ductile iron pipes are constructed with a thick wall, which enhances their resistance against soil movement. This robust construction assists in distributing the forces exerted by the shifting soil, minimizing the impact on the pipe and preventing significant damage. Moreover, ductile iron pipes are typically installed with suitable bedding and backfill materials to provide additional support and stability. This involves using compacted soil or engineered granular materials around the pipe, which helps evenly distribute the load and reduces the potential for soil movement. Overall, ductile iron pipe is an excellent choice for areas with high soil movement, such as regions with expansive or unstable soils. Its flexibility, strength, and proper installation techniques enable it to effectively handle the challenges presented by soil movement, ensuring long-lasting and dependable performance in various applications.

Q:Are ductile iron pipes suitable for wastewater pumping stations?: Yes, ductile iron pipes are suitable for wastewater pumping stations. Ductile iron has high tensile strength, durability, and corrosion resistance, making it ideal for handling the abrasive and corrosive nature of wastewater. Additionally, ductile iron pipes have excellent pressure-bearing capabilities, ensuring reliable and efficient operation in wastewater pumping stations.

Q:What are the different methods for restraining ductile iron pipe?: There are several different methods for restraining ductile iron pipe. These methods are used to prevent movement or displacement of the pipe due to internal pressure, external forces, or ground movement. The most common methods for restraining ductile iron pipe include: 1. Thrust blocks: Thrust blocks are concrete blocks or structures that are placed against the pipe at bends, tees, or other changes in direction. These blocks are designed to resist the forces exerted by the flowing water or other fluids within the pipe, effectively anchoring the pipe in place. 2. Mechanical restraints: Mechanical restraints, such as harnesses or clamps, are devices that are installed around the pipe and attached to a fixed structure, such as a wall or a concrete anchor. These restraints provide a physical barrier that prevents the pipe from moving or shifting. 3. Pipe restraints: Pipe restraints are devices that are directly attached to the pipe and anchored to a fixed structure. These restraints can include pipe clamps, pipe restraints, or pipe saddles. They are designed to securely hold the pipe in place and resist any movement or displacement. 4. Pipe bedding and backfill: Proper pipe bedding and backfilling is important for restraining ductile iron pipe. The pipe must be properly supported and surrounded by compacted material to prevent movement or shifting. This method involves carefully placing and compacting soil or other suitable materials around the pipe to provide stability and prevent displacement. 5. Trench walls: The walls of the trench in which the ductile iron pipe is installed can also provide some level of restraint. By properly compacting the soil against the pipe and ensuring proper compaction and stability of the trench walls, the pipe can be effectively restrained and prevented from movement. Overall, the different methods for restraining ductile iron pipe aim to ensure the pipe remains securely in place and does not experience any displacement or movement. The choice of method depends on factors such as the location, application, and the forces acting on the pipe. It is important to consult with engineers and follow industry guidelines and standards to determine the most appropriate method for restraining ductile iron pipe in specific situations.

Q:Does the cast iron pipe for spheroidal graphite need corrosion protection when laying underground?: In quality, the spheroidization of cast iron pipes is controlled to be 1-3 (spheroidization rate 80%), so the mechanical properties of the cast iron pipes, ductile iron pipes and finished product libraries can be better improved, with the nature of iron and the properties of steel

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