DUCTILE IRON PIPES K8 DN125
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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?
- Yes, ductile iron pipes are suitable for use in cold climates. Ductile iron is known for its excellent strength and durability, making it a reliable choice for various applications, including water supply systems, sewage systems, and industrial piping. In cold climates, where temperatures can drop below freezing, ductile iron pipes are highly resistant to cracking or breaking due to their unique metallurgical composition and structure. They have a high tensile strength and can withstand the expansion and contraction caused by freezing and thawing cycles. Additionally, ductile iron pipes have a smooth internal surface that helps prevent the buildup of ice or sediment, ensuring efficient flow and minimizing the risk of blockages. Overall, ductile iron pipes are a suitable and dependable option for use in cold climates.
- Q: Can ductile iron pipe be used for mining applications?
- Yes, ductile iron pipe can certainly be used for mining applications. Ductile iron is a type of cast iron that exhibits significant tensile strength, flexibility, and durability, making it suitable for demanding and rugged environments like mining. Its high strength-to-weight ratio allows for easy handling and installation, making it a cost-effective choice for mining operations. Ductile iron pipes are resistant to corrosion and have excellent mechanical properties, including high impact and fatigue resistance. These properties make them ideal for transporting various materials commonly found in mining, such as water, slurries, and abrasive ores. Additionally, ductile iron pipes have a long lifespan, ensuring reliable performance and minimal maintenance requirements in mining operations. Furthermore, ductile iron pipes can withstand high pressures and maintain their integrity under extreme conditions, making them suitable for underground mining applications. They can handle the demanding requirements of deep mining operations, including the transport of water for cooling or dust suppression, as well as the drainage of wastewater or mine dewatering. Overall, ductile iron pipes provide the necessary strength, resilience, and corrosion resistance required for mining applications. Their versatility, durability, and ease of installation make them a valuable choice for mining operations, ensuring efficient and reliable material transport while minimizing downtime and maintenance costs.
- Q: Are ductile iron pipes suitable for fire protection systems?
- Ductile iron pipes are a perfect choice for fire protection systems. Ductile iron, being a robust and durable material, can endure extreme pressure and temperature fluctuations, making it an ideal option for reliable and long-lasting pipes in fire protection systems. Moreover, ductile iron demonstrates exceptional resistance to corrosion, preventing any deterioration of the pipes and ensuring the integrity of the fire protection system over time. Additionally, the high tensile strength of ductile iron provides added safety advantages, as it can withstand the stress and strain that may arise during a fire incident. Consequently, ductile iron pipes are extensively utilized in fire protection systems across various applications, including commercial buildings, industrial facilities, and residential areas.
- Q: Can ductile iron pipe be used for geothermal heat exchange systems?
- Yes, ductile iron pipe can be used for geothermal heat exchange systems. Ductile iron pipe is known for its strength and durability, which makes it suitable for handling the high temperatures and pressures associated with geothermal heat exchange systems. Additionally, ductile iron pipe has excellent corrosion resistance, which is important in geothermal systems where minerals and chemicals in the ground can cause corrosion. Ductile iron pipe also has good thermal conductivity, allowing for efficient heat transfer in geothermal systems. Overall, ductile iron pipe is a reliable and cost-effective choice for geothermal heat exchange systems.
- Q: What is the difference between ductile iron pipes and cast iron pipes?
- Ductile iron pipes and cast iron pipes have different compositions, properties, manufacturing processes, and applications. Ductile iron pipes are made from a type of cast iron known as ductile iron, which contains higher levels of carbon, silicon, and other alloying elements like magnesium. On the other hand, cast iron pipes are made from regular cast iron, which has a higher carbon content and lower levels of alloying elements. In terms of properties, ductile iron pipes are recognized for their high tensile strength, flexibility, and durability. They can withstand higher pressure and have a greater resistance to impact, making them suitable for applications that demand robust performance. Conversely, cast iron pipes are more brittle and fragile, making them susceptible to cracking or breaking under pressure or impact. The manufacturing process differs as well. Ductile iron pipes are formed through centrifugal casting, in which molten ductile iron is poured into a spinning mold. This centrifugal force aids in the even distribution of the molten metal, resulting in a strong and uniform pipe. On the other hand, cast iron pipes are made using sand casting, where molten cast iron is poured into a mold made of compacted sand. This method is less precise and can result in variations in the final product. In terms of applications, ductile iron pipes are commonly used in water and sewage systems, as well as in industrial pipelines that require high-pressure resistance. Cast iron pipes, on the other hand, are typically used in non-pressure applications such as drainage systems or underground sewer lines. To summarize, ductile iron pipes and cast iron pipes differ in their composition, properties, manufacturing processes, and applications. Ductile iron pipes offer greater strength, flexibility, and durability, making them suitable for high-pressure applications, while cast iron pipes are more brittle and commonly used in non-pressure applications.
- Q: Are ductile iron pipes resistant to chemicals or solvents?
- Ductile iron pipes are generally resistant to a wide range of chemicals and solvents. This is due to their composition, which includes a high percentage of iron and carbon, along with small amounts of other alloying elements like silicon, manganese, and magnesium. These alloying elements contribute to the overall strength and durability of ductile iron pipes, making them highly resistant to corrosion and chemical attack. However, it is important to note that the resistance of ductile iron pipes to chemicals and solvents can vary depending on the specific substance and its concentration. Some aggressive chemicals or solvents, particularly those with high acidity or alkalinity, may cause gradual corrosion or degradation of the pipe material over time. In such cases, it is advisable to consult with the pipe manufacturer or a professional engineer to ensure the compatibility of the pipe with the specific chemicals or solvents being used. Additionally, proper installation and maintenance practices play a crucial role in maintaining the chemical resistance of ductile iron pipes. Regular inspection, cleaning, and protective coatings can help to prolong the lifespan and performance of the pipes in the presence of various chemicals or solvents.
- Q: Are ductile iron pipes more expensive than other pipe materials?
- Yes, ductile iron pipes are generally more expensive than other pipe materials such as PVC or HDPE. However, they offer superior strength, durability, and longevity, making them a cost-effective choice in the long run for applications that require high pressure or corrosive resistance. Additionally, ductile iron pipes have a lower life cycle cost due to their reduced maintenance and repair needs.
- Q: What is the expected sound attenuation of ductile iron pipes?
- The expected sound attenuation of ductile iron pipes can vary depending on various factors such as pipe diameter, thickness, and the surrounding environment. However, ductile iron pipes generally provide good sound attenuation due to their dense and heavy construction, which helps to minimize the transmission of sound waves.
- Q: Can ductile iron pipes be used for water supply in buildings?
- Yes, ductile iron pipes can be used for water supply in buildings. Ductile iron pipes are known for their strength, durability, and corrosion resistance, making them suitable for a variety of applications, including water supply systems. They have a high tensile strength and can withstand high-pressure environments, making them ideal for delivering water to buildings. Additionally, ductile iron pipes have a long service life, reducing the need for frequent replacements. They also have good flow characteristics, allowing for efficient water distribution within the building. Therefore, ductile iron pipes are a reliable and commonly used choice for water supply systems in buildings.
- Q: Ductile iron pipes lined with cement mortar in the water (living water, water in the 6.9-7.3) in the early pH, why pH increased? How to solve this problem?
- The basic characteristic of ductile iron pipe of ordinary cement mortar lining the inner wall of the tube will make passivation, have antiseptic effect, but in the initial stage of using cement mortar lining will be the alkali component separation, so that the pH value of water increased to influence water quality
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DUCTILE IRON PIPES K8 DN125
- 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
Credit Rating, Credit Services, Credit Purchasing
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