DUCTILE IRON PIPE C Class DN500
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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:Are ductile iron pipes suitable for use in cold climates?
- Ductile iron pipes are well-suited for cold climates due to their exceptional strength and durability. This makes them a reliable choice for various applications, such as water supply systems, sewage systems, and industrial piping. In freezing temperatures, ductile iron pipes are highly resistant to cracking or breaking. This is because of their unique metallurgical composition and structure. They possess a high tensile strength and can endure the expansion and contraction resulting from freezing and thawing cycles. Additionally, their smooth internal surface prevents ice or sediment buildup, ensuring efficient flow and reducing the risk of blockages. Overall, ductile iron pipes are a dependable and appropriate option for use in cold climates.
- Q:Can ductile iron pipes be used in mining applications?
- Yes, ductile iron pipes can be used in mining applications. Ductile iron has high strength, durability, and resistance to corrosion, making it suitable for various underground mining operations. It can withstand the demanding conditions found in mining environments, including high pressure, abrasive materials, and harsh chemicals. Additionally, ductile iron pipes are cost-effective and have a long lifespan, making them a reliable choice for mining applications.
- Q:Method for cutting cast iron pipe
- I don't know the diameter and length of the cast iron tube. The small diameter can be made of a huge bed. The short one can also be lathe. The lathe is very flat
- Q:What are the typical joint restraint requirements for ductile iron pipes in seismic zones?
- In seismic zones, the typical joint restraint requirements for ductile iron pipes are designed to ensure the structural integrity and prevent displacement or separation of the pipes during seismic events. These requirements are crucial to maintain the reliability and functionality of the pipeline system. One common joint restraint requirement for ductile iron pipes in seismic zones is the use of flexible or mechanical joint systems. Flexible joints, such as rubber gasket joints, can absorb and accommodate the movement caused by seismic activity. These joints allow for axial movement, angular deflection, and expansion/contraction of the pipes, reducing the risk of pipe failure or damage. Another important requirement is the use of adequate anchoring systems. This involves securing the pipes to the surrounding structures or embedding them in concrete thrust blocks to prevent excessive movement or displacement during seismic events. Anchoring systems help distribute the forces generated by the earthquake and minimize the risk of pipe separation or breaking. Additionally, seismic design standards often require the use of seismic restraints, such as seismic joint restraints or bracing systems, to further enhance the stability and integrity of the ductile iron pipes. These restraints are designed to limit the movement of the pipes in specific directions, reducing the potential for damage and maintaining the overall system performance. It is important to note that the specific joint restraint requirements for ductile iron pipes in seismic zones may vary depending on local building codes, seismic activity levels, and engineering considerations. It is crucial to consult the relevant regulations and work with experienced professionals in the design and installation process to ensure compliance with the necessary requirements for seismic resistance.
- Q:How much is the manual installation fee of ductile iron pipes from 100 to 150 per metre?
- Upstairs said 9 yuan per meter, about the same, if you use the special (ductile iron pipe installation tool) construction greatly saves the labor cost, very fast and convenient, can search, is a special tool for the new, I hope to help you.
- Q:What are the common pressure ratings for ductile iron pipes?
- The pressure ratings for ductile iron pipes can vary depending on the application and industry standards. However, the most commonly used pressure ratings are Class 150, Class 200, Class 250, and Class 350. For low-pressure applications, Class 150 ductile iron pipes are typically used. These pipes have a working pressure of up to 150 psi and are commonly used for water distribution systems, irrigation, and gravity flow sewer systems. For applications requiring slightly higher pressure, such as industrial water supply and fire protection systems, Class 200 ductile iron pipes are used. These pipes have a working pressure of up to 200 psi. For more demanding applications, Class 250 ductile iron pipes are suitable. These pipes have a working pressure of up to 250 psi and are used for high-pressure water supply systems, power plants, and municipal water distribution networks. For heavy-duty applications, such as industrial water supply and oil and gas pipelines, Class 350 ductile iron pipes are used. These pipes have the highest working pressure rating, with a maximum pressure of up to 350 psi. It is important to note that these pressure ratings are general guidelines and can vary depending on the manufacturer and product specifications. Consulting industry standards and guidelines, as well as working with qualified engineers and professionals, is crucial to ensure the correct pressure rating is selected for a specific ductile iron pipe application.
- Q:How can the three pipes of ductile iron leak?
- The raw material used in RE can be installed in the thread, can also be used on the same thread AB, re install is also available, but it is hard to remove.
- Q:What is the expected flow capacity of ductile iron pipes?
- The flow capacity of ductile iron pipes can vary depending on several factors, including the diameter and wall thickness of the pipe, the type of fluid being transported, and the specific design and condition of the pipeline system. It is well-known that ductile iron pipes have a high flow capacity due to their smooth internal surface, which minimizes frictional losses. They are designed to handle a wide range of fluid flows, including water, sewage, and industrial fluids. To determine the specific flow rates, the Manning's equation is commonly used. This equation takes into account the hydraulic radius, slope of the pipe, and Manning's roughness coefficient to calculate the expected flow capacity of open channels and pipes. However, it's important to consider other factors that can affect the actual flow capacity. These factors include the presence of fittings, valves, and bends in the pipeline, as well as any potential blockages or obstructions. To accurately determine the expected flow capacity of ductile iron pipes for a particular application, it is recommended to consult the manufacturer's specifications, engineering guidelines, or work with a qualified engineer.
- Q:How do ductile iron pipes handle water velocity?
- Ductile iron pipes are capable of handling high water velocities due to their inherent strength and durability. The material's flexibility enables it to withstand the force and pressure created by fast-moving water, making it suitable for applications where high water velocity is a concern.
- Q:Are ductile iron pipes prone to external corrosion?
- Yes, ductile iron pipes are prone to external corrosion.
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DUCTILE IRON PIPE C Class DN500
- 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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