DUCTILE IRON PIPES C Class DN600
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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 wastewater treatment plants?
- Yes, ductile iron pipes are suitable for use in wastewater treatment plants. Ductile iron is a strong and durable material that can withstand the harsh and corrosive environment present in wastewater treatment plants. It has excellent resistance to abrasion, corrosion, and chemical attacks, making it a reliable choice for conveying wastewater and handling the various chemicals and substances found in the treatment process. Ductile iron pipes also have high tensile strength, which allows them to withstand high-pressure conditions and the weight of the surrounding soil. Additionally, ductile iron pipes are known for their flexibility, which makes them resistant to ground movement and settlement, ensuring long-term performance and reliability in wastewater treatment plants.
- Q:Method for cutting cast iron pipe
- Depends on the material and the use of requirements. Ordinary gray iron, if the incision is not strict, such as water pipes. They are all sheared with hydraulic cutting machine, but the incision will not be very smooth. If it is ductile iron, and the incision requirements are high, it can only be used plasma cutting machine. General fittings, if not specifically required, shall not be cut by machining methods.
- Q:Can ductile iron pipes be used in oil or gas transmission pipelines?
- Ductile iron pipes are applicable for oil or gas transmission pipelines. They belong to the cast iron category and possess enhanced characteristics, including increased tensile strength and ductility. These properties make them suitable for various applications, including pipeline systems used in oil and gas transmission. The corrosion resistance of ductile iron pipes is exceptional, which is crucial for pipelines that transport oil or gas over long distances. This material exhibits a high resistance to external factors such as soil chemicals, moisture, and corrosive gases commonly found in the oil and gas industry. Moreover, ductile iron pipes can endure high pressures and temperatures, making them suitable for the demanding requirements of oil and gas transmission. Moreover, ductile iron pipes have excellent impact resistance, enabling them to absorb and withstand external forces such as ground movement or heavy loads. This durability ensures the integrity and longevity of the pipeline system, minimizing the risk of leaks or failures. In summary, ductile iron pipes provide a reliable and cost-effective solution for oil and gas transmission pipelines. Their robustness, corrosion resistance, and ability to withstand high pressures and temperatures make them a viable choice for this critical infrastructure.
- Q:Is it better to use steel tubes or ductile iron pipes for water supply?
- Flexible seamless steel pipe is good toughness, good processing, better than ductile iron corrosion resistance, the price is slightly higher;
- Q:The difference between HDPE pipe and ductile iron pipe
- Production process is different, ductile iron pipe mainly through intermediate frequency furnace heating, annealing, and then do cement lining cement lining production, the mechanism of cast iron pipe does not make cement lining.
- Q:What is the minimum pipe diameter of cast iron pipe?
- Nominal diameter of continuous grey cast iron pipe is 75~1200 mm, minimum 75 mm, maximum 1200 mm.
- Q:Can ductile iron pipes be used for irrigation canal lining?
- Yes, ductile iron pipes can be used for irrigation canal lining. Ductile iron pipes are known for their strength, durability, and resistance to external pressure and impact. These qualities make them suitable for use in irrigation canal lining, as they can withstand the harsh conditions of the environment such as high water pressure, soil movement, and exposure to chemicals and corrosive elements. Ductile iron pipes also have a smooth interior surface, which allows for efficient water flow and reduces the risk of clogging or sediment buildup. This is important for irrigation canals, as it ensures a continuous supply of water to the crops or plants being irrigated. Additionally, ductile iron pipes are highly resistant to damage from external factors such as roots, rocks, or other objects that may come into contact with the canal lining. This helps to minimize the risk of leaks or breaks in the irrigation system, ensuring a reliable and efficient irrigation process. It is worth noting that the selection of ductile iron pipes for irrigation canal lining should take into account factors such as the size and capacity of the canal, the water pressure requirements, and the specific conditions of the irrigation project. Consulting with a professional engineer or irrigation specialist can help determine the most suitable materials for the specific requirements of the project.
- Q:How do ductile iron pipes handle extreme temperatures?
- Ductile iron pipes, known also as cast iron pipes, possess the ability to effectively handle extreme temperatures. The material composition of ductile iron enables it to endure both high and low temperatures without experiencing significant damage or degradation. When exposed to high temperatures, ductile iron pipes demonstrate exceptional thermal resistance, rendering them suitable for applications involving the transportation of hot liquids or gases. The high melting point of ductile iron, ranging from 2060°C to 2200°C, guarantees that the pipes can withstand extreme heat without melting or distorting. Consequently, these pipes are ideal for utilization in industries such as oil and gas, steam distribution, and high-temperature water supply systems. Likewise, ductile iron pipes exhibit satisfactory performance in low-temperature environments. They possess a low coefficient of thermal expansion, thereby enabling them to endure the expansion and contraction that occurs during temperature fluctuations without cracking or fracturing. This quality makes them appropriate for use in cold climates or in applications involving the transportation of chilled liquids or gases. Furthermore, ductile iron pipes possess excellent thermal conductivity, allowing them to efficiently dissipate heat. This characteristic proves particularly significant in high-temperature applications where effective heat transfer is vital to prevent damage to the pipes or the materials being transported. In conclusion, ductile iron pipes effectively handle extreme temperatures due to their high melting point, low coefficient of thermal expansion, and exceptional thermal conductivity. These attributes establish them as a dependable choice for various applications involving extreme temperature conditions.
- Q:What is the maximum operating pressure for ductile iron pipes?
- The maximum operating pressure for ductile iron pipes typically ranges from 350 to 500 psi, depending on the specific diameter and class of the pipe.
- Q:Can ductile iron pipes be used in marine environments?
- Ductile iron pipes are suitable for marine environments due to their excellent mechanical properties, high corrosion resistance, and durability. These pipes are made of a type of cast iron known as ductile iron, which can withstand the harsh conditions of marine environments. Marine environments are known for their high levels of corrosion caused by saltwater, humidity, and other harsh factors. However, ductile iron pipes are specifically designed to endure these conditions. They have a protective layer called the "graphite skin" that acts as a barrier against corrosion. This graphite skin prevents rust formation and safeguards the pipes from degradation. Additionally, ductile iron pipes can be further protected with coatings or linings to enhance their corrosion resistance in marine environments. These protective coatings, such as epoxy, polyurethane, or zinc coatings, provide an extra layer of defense against corrosion. This ensures the pipes' longevity and reliability in marine environments. To maintain optimal performance, regular maintenance and inspection are crucial for ductile iron pipes in marine environments. This includes regular cleaning to remove marine growth or debris that may accumulate on the pipes and conducting routine inspections to identify any signs of corrosion or damage. In conclusion, ductile iron pipes are a suitable choice for marine environments. Their inherent corrosion resistance, durability, and the ability to apply additional protective coatings make them ideal for various marine applications.
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DUCTILE IRON PIPES C Class DN600
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
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