• DUCTILE IRON PIPE C Class DN1400 System 1
  • DUCTILE IRON PIPE C Class DN1400 System 2
  • DUCTILE IRON PIPE C Class DN1400 System 3
DUCTILE IRON PIPE C Class DN1400

DUCTILE IRON PIPE C Class DN1400

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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:How can the ductile iron pipe depress the elbow so as to prevent it from being opened?
Elbow materials are cast iron, stainless steel, alloy steel, malleable cast iron, carbon steel, nonferrous metals and plastics.
Q:Can ductile iron pipe be used for underground fire protection systems?
Yes, ductile iron pipe can be used for underground fire protection systems. Ductile iron pipe is a durable and reliable material that is commonly used in various applications, including water and wastewater systems, as well as fire protection systems. It has excellent strength, corrosion resistance, and longevity, making it suitable for underground installations. When it comes to fire protection systems, ductile iron pipe can effectively handle high-pressure water flow and withstand extreme conditions, making it an ideal choice for underground installations. It is capable of withstanding the intense heat and pressure that may occur during a fire event. Additionally, ductile iron pipe is available in various sizes and configurations, allowing for flexibility in design and installation. It is also compatible with different types of fittings and accessories, making it easy to connect to other components of the fire protection system. Overall, ductile iron pipe is a reliable and durable choice for underground fire protection systems, providing the necessary strength and longevity to ensure the safety of the premises and its occupants.
Q:Can ductile iron pipes be used in dam or reservoir projects?
Yes, ductile iron pipes can be used in dam or reservoir projects. Ductile iron pipes are known for their durability, strength, and corrosion resistance, making them suitable for various applications, including water supply systems in dams and reservoirs. Additionally, their ability to withstand high pressure and adapt to ground movement makes them a reliable choice for such projects.
Q:Can ductile iron pipes be used for hydropower projects?
Certainly, ductile iron pipes are applicable for hydropower projects. Renowned for their robustness, resilience, and ability to withstand corrosion, these pipes are well-suited for numerous purposes, including hydropower projects. They possess the capability to handle substantial water pressure, rendering them perfect for transporting water to turbines or other power-generating machinery. Moreover, their extended lifespan minimizes the need for maintenance and replacements, resulting in reduced costs in the long run. Consequently, incorporating ductile iron pipes into hydropower projects enhances the overall efficiency and dependability of the system.
Q:Are ductile iron pipes more resistant to breaks and cracks than other pipe materials?
Ductile iron pipes generally possess higher resistance to breaks and cracks compared to other pipe materials. Ductile iron, a form of cast iron treated with magnesium, exhibits increased flexibility and reduced brittleness. This enhanced flexibility empowers ductile iron pipes to endure significant pressure and external loads without incurring damage. In contrast to widely-used pipe materials such as PVC, HDPE, or steel, ductile iron pipes excel in strength and durability. They boast higher tensile strength, enabling them to withstand greater forces and pressures without succumbing to failure. Additionally, ductile iron pipes demonstrate superior impact resistance, reducing the likelihood of cracking or breaking when subjected to sudden impacts or external loads. Another advantage of ductile iron pipes lies in their ability to resist corrosion. The material naturally repels rust and remains unaffected by harsh environmental conditions, making it ideal for underground installations or areas with corrosive soils. This corrosion resistance further contributes to the pipes' longevity and overall integrity. Furthermore, ductile iron pipes possess a longer lifespan compared to other pipe materials. They are designed to endure for multiple decades, often exceeding 50 years, with minimal maintenance. This prolonged lifespan decreases the necessity for frequent replacements, resulting in time and cost savings in the long term. However, it is crucial to acknowledge that no material is entirely immune to damage or failure. Proper installation, maintenance, and adherence to industry standards and guidelines are imperative to ensure optimal performance and longevity of ductile iron pipes. Regular inspection and monitoring should also be carried out to identify potential issues or signs of deterioration, facilitating timely repairs or replacements.
Q:Are ductile iron pipes suitable for landfill leachate collection?
Yes, ductile iron pipes are suitable for landfill leachate collection. Ductile iron pipes have excellent corrosion resistance, which is crucial for handling landfill leachate that can contain various corrosive substances. These pipes also have high strength and durability, allowing them to withstand the pressure and stress of the leachate collection system. Furthermore, ductile iron pipes are known for their ease of installation and maintenance, making them a practical choice for landfill leachate collection systems. Overall, ductile iron pipes offer the necessary properties and characteristics to effectively and efficiently collect landfill leachate.
Q:Are ductile iron pipes more expensive than other pipe materials?
Ductile iron pipes can be more expensive than some other pipe materials, but it depends on various factors. Ductile iron pipes are known for their durability, strength, and corrosion resistance, which can make them a cost-effective choice in the long run. However, the initial cost of ductile iron pipes can be higher compared to materials like PVC or HDPE. Additionally, the installation process for ductile iron pipes may require more labor and specialized equipment, adding to the overall cost. However, it is important to consider the specific project requirements, including factors like the environment, expected lifespan, and required pressure ratings, when evaluating the overall cost-effectiveness of ductile iron pipes compared to other pipe materials.
Q:What are the specifications for the installation of water ball iron pipes?
Ductile cast iron pipe is characterized by mild, high, thin wall, pressure resistance, impact resistance, corrosion resistance, seismic resistance and other properties. The flexible interface is used for the pipeline interface, and there is a certain elongation and deflection angle. The utility model has the advantages of the raw iron pipe and the steel pipe material, and avoids the defects of iron and steel.
Q:Are ductile iron pipes suitable for use in chemical processing plants?
Yes, ductile iron pipes are suitable for use in chemical processing plants. Ductile iron is a type of cast iron that has enhanced mechanical properties, making it highly resistant to corrosion and suitable for handling various chemicals in industrial settings. It is known for its high tensile strength, durability, and flexibility, allowing it to withstand the high-pressure and temperature conditions often present in chemical processing plants. Additionally, ductile iron pipes have a smooth internal surface, which helps to minimize friction and reduce the risk of flow blockages or contamination. Overall, ductile iron pipes offer a reliable and cost-effective solution for transporting chemicals in chemical processing plants.
Q:The design uses water supply ductile iron pipe, PE corrosion protection pipe, HDPE pipe, please ask that good? What's the price of the two?
Ductile iron pipes are difficult to make and do not make money, and even easy to lose money, it is not recommended to do, the price can be found on Baidu. DN100 6, about 400 yuan ~500 yuan, DN200,6 about 900 yuan ~1000 yuan, when the market to buy to ask a length. Difficult to do in ductile pipe easily affected by topography (when digging the trenching dug in front of the back of their repair, trouble), vulnerable to local soil effects (such as settlement). Parts connection is not fixed, easy to leak. The advantage is that once the installation is completed, the pressure test is successful and is used for life.

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