DUCTILE IRON PIPES C Class DN550
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Ductile Iron Cast Pipe is without any defects compare with tradition casting tech, which has many advantages particularly as follow:
(1) High density. In the "vertical upward casting" process, the melt iron of centre liquid column in center crystallizer is continuously feeding for volume shrinkage caused by condensation tube at outer circumference , which lead to be free of shrinkage porosity.
(2) High purity. When melt iron pouring, the mixed impurities such as gas, dross, sand grain which are lighter than melt iron could be eliminated at furnace mouth, its impossible to enter into the crystallizer through the channel, so the melt iron into the crystallizer is very pure.
(3) Strength with toughness. The cooling speed provided by continuous crystallizer is 30 times than sand casting and 5 times than centrifugal casting, and doesn't produce white iron, the eutectic cell volume of continuous cast iron is one eighth to one tenth compare with traditional cast iron. The density of graphite nodule in ductile iron can reach 300-700 pcs/mm2. Therefore, all reason above improve the strength and toughness of continuous cast iron.
(4) Free machining. The high speed cooling make the hardening phase (such as boride, steadite) not appear like reticular, massive or thick, but diffuse like fish bone and pane in shape, moreover, there are tiny graphite flakes inlaid hardening phase. It's free machining in BrinellHardness the range of 250-300HB. However, the Brinell Hardness of 250 is top limit to common metal materials.
(5) Uniform composition of tube wall. The convection mixing of liquid column caused by marching type drawing in crystallizer make the composition of tube wall well-distributed, and concentration gradient very little.
(6) High productivity. To the wall thickness of tube under 10mm, the speed of continuous casting is 1 meter/min, to the wall thickness of tube under 20mm, the speed of continuous casting is 0.5 meter/min, which is high efficiency that centrifugal or other casting tech couldn't reach.
- Q: What material is the cutting tool for ductile iron?
- The tool manufacturers so much, such as: Santak, Kenna, widia, Dai Jie, Walter, MITSUBISHI, Toshiba, ISCA, TaeguTec, Zhuzhou, each of the grades are not the same. But according to your specific processing workpiece and processing time and precision requirements, can choose the most suitable tool.
- Q: Ductile iron pipe joint damage, water leakage, want to see the connection with other pipe fittings, how to operate?!
- The ink tube is really not good. Oh, have you tried blocking it with cement or plugging it with putty?Just pick up PE haha
- Q: How do ductile iron pipes handle water hammer in high-rise buildings?
- Known for their durability and strength, ductile iron pipes are an excellent option for managing water hammer in high-rise structures. Water hammer, a common occurrence when water flow abruptly halts or changes direction in pipes, causes pressure surges that can strain and potentially harm the pipes. Engineered to withstand high-pressure scenarios, ductile iron pipes exhibit remarkable resistance to water hammer. With their high tensile strength, these pipes can endure sudden pressure changes without warping or fracturing. This feature is especially crucial in high-rise constructions where water distribution must accommodate various floor pressures. Furthermore, the outstanding corrosion resistance of ductile iron pipes bolsters their ability to handle water hammer. Over time, corrosion weakens pipes, making them more prone to failure during pressure surges. However, the corrosion resistance of ductile iron pipes guarantees their structural integrity even in high-pressure circumstances. Moreover, the flexibility of ductile iron pipes enables them to absorb and dissipate the energy generated by water hammer. Consequently, the overall system experiences minimal impact, reducing the potential for damage. Absorbing energy also contributes to minimizing noise and vibrations associated with water hammer, thus enhancing the efficiency and comfort of the water supply system. To summarize, ductile iron pipes are well-suited to manage water hammer in high-rise buildings. Their strength, corrosion resistance, and flexibility make them a reliable choice for delivering water under varying pressures while upholding the system's integrity.
- Q: Can ductile iron pipe be used for industrial wastewater applications?
- Yes, ductile iron pipe can be used for industrial wastewater applications. It has excellent strength, durability, and corrosion resistance, making it suitable for handling various types of wastewater in industrial settings. Additionally, ductile iron pipe is known for its ability to withstand high-pressure and high-temperature conditions, making it a reliable choice for industrial wastewater applications.
- Q: How are ductile iron pipes protected against internal scaling or buildup?
- Ductile iron pipes are protected against internal scaling or buildup through the use of various coatings and linings. One commonly used method is cement mortar lining, where a layer of cement mortar is applied to the inner surface of the pipe to prevent scaling and corrosion. Additionally, epoxy coatings are also utilized, which provide a smooth and protective layer that inhibits the formation of scale and buildup. These protective measures help to ensure the longevity and efficiency of ductile iron pipes in various applications.
- Q: What are the common pressure ratings for ductile iron pipes?
- Common pressure ratings for ductile iron pipes vary depending on the specific application and industry standards. However, the most commonly used pressure ratings for ductile iron pipes are Class 150, Class 200, Class 250, and Class 350. Class 150 ductile iron pipes are typically used for low-pressure applications, with a working pressure of up to 150 psi (pounds per square inch). These pipes are commonly used for water distribution systems, irrigation, and gravity flow sewer systems. Class 200 ductile iron pipes have a higher working pressure of up to 200 psi. These pipes are often used for applications that require a slightly higher pressure, such as industrial water supply, fire protection systems, and wastewater treatment plants. Class 250 ductile iron pipes have a working pressure of up to 250 psi. These pipes are suitable for more demanding applications, such as high-pressure water supply systems, power plants, and municipal water distribution networks. Class 350 ductile iron pipes have the highest working pressure rating, with a maximum pressure of up to 350 psi. These pipes are typically used for heavy-duty applications, such as industrial water supply, oil and gas pipelines, and large-scale water transportation projects. It's important to note that these pressure ratings are general guidelines and may vary depending on the specific manufacturer and product specifications. Consulting industry standards and guidelines, as well as working with qualified engineers and professionals, is essential to ensure the correct pressure rating is selected for a particular ductile iron pipe application.
- Q: What are some common applications for ductile iron pipe?
- Ductile iron pipe is commonly used in various applications including water and wastewater systems, underground drainage systems, oil and gas pipelines, industrial piping systems, and fire protection systems. Its strength, durability, and resistance to corrosion make it suitable for these applications, ensuring reliable and long-lasting performance.
- Q: Can ductile iron pipes be used for road and highway drainage?
- Yes, ductile iron pipes can be used for road and highway drainage. Ductile iron pipes have excellent strength and durability, making them suitable for use in various applications, including drainage systems. They have high tensile strength and can withstand heavy loads and traffic, making them ideal for road and highway drainage where constant vehicle movement is expected. Ductile iron pipes are also resistant to corrosion and offer a long service life, reducing maintenance and replacement costs. Additionally, their smooth inner surface allows for efficient water flow, preventing waterlogging and ensuring proper drainage. Therefore, ductile iron pipes are a reliable and effective choice for road and highway drainage systems.
- Q: What is the typical weight of ductile iron pipes?
- The typical weight of ductile iron pipes can vary depending on the size and specifications, but they generally range from a few hundred pounds to several thousand pounds per linear foot.
- Q: How are ductile iron pipes different from cast iron pipes?
- Ductile iron pipes are different from cast iron pipes in terms of their composition and properties. Ductile iron pipes are made from a type of cast iron that has been treated with magnesium to improve its strength and flexibility. This makes ductile iron pipes more durable, impact-resistant, and less prone to cracking or breaking compared to traditional cast iron pipes. Additionally, ductile iron pipes have a higher tensile strength, allowing them to withstand higher internal and external pressures. In summary, ductile iron pipes are a more modern and advanced version of cast iron pipes, offering improved performance and longevity.
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DUCTILE IRON PIPES C Class DN550
- Ref Price:
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- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
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- Supply Capability:
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