Ductile Iron Pipe DN250

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Loading Port:: Tianjin

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Specifications

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Place of Origin:	China (Mainland)	Brand Name:	CMAX	Model Number:	T type / K type / Flange type
Length:	6m / 5.7m / Negotiable	Standard:	ISO2531 / EN545 / EN598	Application:	Potable / Sewage water
Diameter:	DN80~DN2200	Shape:	Round	Hardness:	230
Pipe Wall Thickness:	standard	Pull Strength:	420	Yield (≥ MPa):	300
Material:	Ductile Iron	Type:	Centrifugal ductile cast iron pipe	Certification:	ISO2531 / EN545 / EN598
Outer Diameter:	80-2200	Thickness:	standard	Specification:	DN80~DN2200

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Q: How do ductile iron pipes perform in acidic soil conditions?: Ductile iron pipes have a reputation for being durable and resistant to different environmental conditions, including acidic soil conditions. When exposed to acidic soil, these pipes exhibit excellent resistance to corrosion due to their unique composition and protective coating. The high carbon content in ductile iron pipes gives them inherent resistance to corrosion, even in acidic environments. Additionally, these pipes are typically lined with cement mortar or a suitable epoxy coating, which provides an extra layer of protection against acid attack. The combination of the high carbon content and protective coating creates a barrier that prevents direct contact between the acid and the iron, thus minimizing the risk of corrosion. This ensures that the pipes remain structurally sound and maintain their integrity over a long period of time. Furthermore, ductile iron pipes have a long service life and are designed to withstand a wide range of soil conditions. Their strength and flexibility enable them to endure the stresses and strains caused by the surrounding soil, including acidic soil environments. This makes them an ideal choice for applications in soils with higher acidity levels. It is important to note that while ductile iron pipes perform well in acidic soil conditions, the severity and concentration of the acid can affect their performance. In extremely aggressive or highly concentrated acidic environments, additional corrosion protection measures may be necessary, such as sacrificial anodes or cathodic protection systems. In conclusion, ductile iron pipes are highly resilient and excel in acidic soil conditions. Their corrosion resistance, combined with their strong structure and protective coating, ensures their longevity and reliability, making them a preferred choice for various applications in such environments.

Q: Are ductile iron pipes resistant to alkali attacks?: Yes, ductile iron pipes are generally resistant to alkali attacks. The high carbon content and unique microstructure of ductile iron make it highly resistant to corrosion, including attacks from alkali substances.

Q: Are ductile iron pipes suitable for mining applications?: Yes, ductile iron pipes are suitable for mining applications. Ductile iron is a type of cast iron that has been treated to enhance its strength, durability, and ductility. These pipes are known for their high tensile strength and resistance to corrosion, making them ideal for underground mining operations where they may be exposed to harsh conditions. One of the key advantages of ductile iron pipes in mining applications is their ability to withstand high pressure and heavy loads. They have excellent structural integrity and can resist both internal and external forces, ensuring reliable performance in demanding mining environments. Additionally, ductile iron pipes have a long service life and require minimal maintenance. They are highly resistant to abrasion, which is crucial in mining operations where abrasive materials like rocks, minerals, and ores are present. The smooth inner surface of these pipes also minimizes friction, allowing for efficient transportation of mining materials. Moreover, ductile iron pipes are cost-effective compared to alternative materials like steel or concrete. They have a lower upfront cost and require less frequent replacements, resulting in reduced long-term expenses for mining companies. In conclusion, ductile iron pipes are well-suited for mining applications due to their strength, durability, resistance to corrosion and abrasion, long service life, and cost-effectiveness. These pipes provide reliable and efficient transportation of mining materials, contributing to the overall efficiency and productivity of mining operations.

Q: Can ductile iron pipes be used for underground oil and gas pipelines?: Yes, ductile iron pipes can be used for underground oil and gas pipelines. Ductile iron is a strong and durable material that can withstand the high pressure and corrosive nature of oil and gas transportation. It has excellent tensile strength and impact resistance, making it suitable for underground applications. Ductile iron pipes are also resistant to external loads, which is important for underground pipelines that may be subject to soil movement or heavy traffic. Furthermore, ductile iron pipes can be easily jointed, allowing for efficient installation and maintenance. However, it is important to consider factors such as soil conditions, environmental factors, and specific project requirements before choosing ductile iron pipes for underground oil and gas pipelines.

Q: What are the requirements for the hydrostatic test of ductile iron pipes?: The pipe work pressure P is less than 0.5MPa, the test pressure is 2P, the pipe work pressure is greater than 0.5MPa, the test pressure is P+0.5. After the water pressure rises to the test pressure, the pressure is fixed for 10 minutes, and the pipe joint and the pipe body are not damaged and leaked.

Q: Are ductile iron pipes suitable for road crossings?: Yes, ductile iron pipes are suitable for road crossings. Ductile iron is a strong and durable material, making it well-suited for underground installations such as road crossings. The pipes have high tensile strength, which allows them to withstand heavy loads and traffic pressures without cracking or breaking. Ductile iron pipes also have excellent corrosion resistance properties, ensuring their longevity even in harsh environments. Additionally, these pipes are easy to install and maintain, making them a reliable choice for road crossings.

Q: Can ductile iron pipes be used for agricultural applications?: Yes, ductile iron pipes can be used for agricultural applications. Ductile iron pipes are known for their durability, strength, and corrosion resistance, making them suitable for various agricultural applications such as irrigation systems, water supply networks, and drainage systems.

Q: Are ductile iron pipes resistant to chemical attacks?: Yes, ductile iron pipes are generally resistant to chemical attacks. Ductile iron is known for its high corrosion resistance, making it suitable for a wide range of applications including water and wastewater systems. Ductile iron pipes are typically lined with a protective coating such as cement mortar or epoxy to further enhance their resistance to chemical attacks. This lining acts as a barrier between the pipe material and the corrosive substances, preventing any degradation of the iron. However, it is important to note that the level of resistance can vary depending on the specific chemical being transported and the concentration and temperature of the solution. Therefore, it is always advisable to consult with experts or engineers to ensure the suitability of ductile iron pipes for specific chemical environments.

Q: How many degrees can the ductile iron pipe be each?: In the ferrite and pearlite matrix on the distribution of a certain number of spheroidal graphite, according to the nominal diameter and the elongation of different microstructure of ferrite and pearlite in different proportions of small caliber pearlite percentage is generally not more than 20%, large diameter of the general control in about 25%.

Q: What's the difference between ductile iron pipe and cast iron pipe?: We have to correct now basically all socket ductile iron pipes, because the socket type with a rubber ring, plus a ductile material, buried beneath it when the bearing has a certain flexibility, not because of the deformation and leakage phenomenon. To be used, not Unicom cast iron pipe socket, connection is used similar to the stainless steel hoop hoop sleeve closed.

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