DUCTILE IRON PIPES AND PIPE FITTINGS K9 CLASS DN300

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 22 pc

Supply Capability:: 3000 pc/month

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Ductile Iron Pipes of China on Chip Price DN400 EN545/EN598/ISO2531

Material : Ductile Cast Iron
Size Range : DN 80mm to DN 2000mm
Unit Effective Length : 6m or 5.7m
Manufacture Standard: ISO 2531:1998/ EN 545:2006/EN 598:2007
Annual capacity : 200,000 tons
Coating Exterior: Zinc 130g/m2 according to ISO 8179-1 and bitumen coating 70 microns.
Cement Interior: Portland Cement/ High Alumina Cement/ Sulphate Resisting Cement Lining according to ISO 4179
Special requirements on external coating and internal lining can be applied
We also provide accessories such as SBR/EPDM rubber gaskets, lubricant paste, pipe caps, PE sleeves, etc.

Additional Parts:

Each pipe is strictly inspected according to related standard to ensure permanently high performance.
Easy Installation at site and service free for life
Long Service Lifespan
Quotation will arrive you within 24hours once we get your inquiry.
We guarantee offering you a competitive price.
A copy of original inspection reports of pipes will be offered after shipment.
Photos of loading process will be sent to the customer after shipment effect.
We will follow-up the delivery progress after shipment effect and update to the customer on weekly basis.

Q: Are ductile iron pipes suitable for oil and gas pipeline applications?: Yes, ductile iron pipes are suitable for oil and gas pipeline applications. Ductile iron pipes have numerous properties that make them ideal for use in such applications. Firstly, ductile iron pipes have high tensile strength, which allows them to handle the high pressure and stress associated with oil and gas transmission. This ensures that the pipes can withstand the demanding conditions and maintain structural integrity over time. Secondly, ductile iron pipes are highly resistant to corrosion. Oil and gas pipelines are exposed to various corrosive elements, such as water, chemicals, and salts. Ductile iron pipes have a protective lining, typically made of cement mortar or polyethylene, which prevents corrosion and extends the lifespan of the pipes. Additionally, ductile iron pipes have excellent durability and longevity. They have a long service life, typically ranging from 50 to 100 years, depending on the specific conditions and maintenance practices. This makes them a reliable choice for oil and gas pipeline applications, reducing the need for frequent replacements and minimizing downtime. Furthermore, ductile iron pipes have good flexibility, allowing them to withstand ground movement and absorb shocks and vibrations. This flexibility is particularly important in oil and gas pipeline applications, where the pipes need to adapt to changing terrain and environmental conditions. Lastly, ductile iron pipes are cost-effective compared to other materials commonly used in oil and gas pipelines, such as steel. They offer a favorable balance between performance and price, making them a practical choice for both large-scale and small-scale pipeline projects. Overall, the combination of high tensile strength, corrosion resistance, durability, flexibility, and cost-effectiveness makes ductile iron pipes suitable for oil and gas pipeline applications.

Q: Are ductile iron pipes suitable for installation in areas with high groundwater table?: Indeed, areas with a high groundwater table are suitable for the installation of ductile iron pipes. These pipes are renowned for their exceptional strength and durability, rendering them perfect for underground installations. They possess the ability to endure the external pressure exerted by groundwater without any deformation or collapse. In addition, their outstanding resistance to corrosion shields them from the potentially harmful impact of groundwater. Consequently, ductile iron pipes can be confidently utilized in areas with a high groundwater table, ensuring the establishment of dependable and enduring water supply infrastructure.

Q: How does ductile iron pipe perform in areas with high soil stability?: Ductile iron pipe performs exceptionally well in areas with high soil stability. Due to its inherent strength and durability, ductile iron pipe can withstand the pressure exerted by the soil without any significant deformation or failure. The high soil stability ensures that there are minimal ground movements, settling, or shifting, which further contributes to the excellent performance of ductile iron pipe. In areas with high soil stability, the pipe is less prone to experiencing external forces or stresses that could potentially cause damage. Ductile iron pipe has a high resistance to corrosion, abrasion, and impact, making it highly suitable for such conditions. The material's robustness allows it to withstand the weight and pressure of the soil, ensuring the structural integrity of the pipe is maintained over time. Moreover, ductile iron pipe's flexibility and joint design contribute to its performance in areas with high soil stability. The pipe's ability to accommodate small movements and minor ground shifts without compromising its integrity is advantageous in these stable soil conditions. The restrained joint system used in ductile iron pipe installations provides additional support and stability, minimizing the risk of pipe dislocation or failure. Overall, ductile iron pipe is a reliable and efficient choice for areas with high soil stability. Its strength, durability, and resistance to external forces make it well-equipped to handle the demands of such environments. Additionally, the pipe's flexibility and joint design ensure that it can adjust to minor soil movements, thus further enhancing its performance in these conditions.

Q: What are the different pressure ratings available for ductile iron pipe?: The pressure ratings available for ductile iron pipe typically range from 150 psi to 350 psi, depending on the size and application of the pipe.

Q: What is ductile iron?: Ductile iron, after being treated with either magnesium or cerium, undergoes an improvement in its mechanical properties. This particular type of cast iron earns the name "ductile" due to its higher degree of ductility in comparison to other cast iron varieties. Ductility pertains to a material's capacity to stretch or deform without breaking. This quality renders ductile iron particularly ideal for applications that demand both high strength and resistance to wear and tear, such as pipes, automotive components, and machinery parts. The inclusion of magnesium or cerium during the manufacturing process aids in the formation of graphite within the iron's structure, contributing to its distinctive properties. This graphite formation serves to enhance the iron's flexibility and reduce its brittleness, enabling it to absorb shock and vibrations without fracturing. As a whole, ductile iron presents a fine balance between the strength of cast iron and the flexibility of steel, thereby establishing itself as a versatile material well-suited for diverse industrial applications.

Q: Are ductile iron pipes suitable for underground installations?: Yes, ductile iron pipes are suitable for underground installations. Ductile iron is a highly durable and strong material that can withstand the various pressures and stresses associated with underground environments. It has excellent resistance to corrosion, making it an ideal choice for underground applications where it may be exposed to moisture, soil, and other corrosive elements. Ductile iron pipes also have a high tensile strength, which allows them to withstand external loads and prevent cracking or breakage under ground movement or heavy traffic. Additionally, ductile iron pipes have a longer lifespan compared to other materials, making them a cost-effective option for underground installations. Overall, ductile iron pipes are a reliable and suitable choice for underground applications due to their durability, corrosion resistance, and long-term performance.

Q: What are the different lining materials available for ductile iron pipe?: Ductile iron pipes have multiple options for lining materials, which serve to safeguard the pipes from corrosion and prolong their lifespan. Some commonly used lining materials are as follows: 1. Cement Mortar Lining: This lining comprises a layer of cement mortar applied to the inner surface of the pipe. It serves as a durable and smooth barrier against corrosion, making it a popular choice for water and wastewater applications. 2. Polyethylene Encasement: In this method, the pipe is wrapped with a layer of polyethylene film. This lining delivers excellent protection against corrosion and is frequently employed in aggressive soil conditions. 3. Polyurethane Lining: Polyurethane lining is a spray-applied substance that forms a seamless and flexible barrier within the pipe. It offers exceptional resistance to chemicals and abrasion, making it suitable for applications involving aggressive fluids. 4. Epoxy Lining: Epoxy lining is widely chosen for lining ductile iron pipes due to its outstanding resistance to corrosion and chemicals. It is typically applied as a liquid coating that cures to form a protective and smooth layer. 5. Zinc Coating: Zinc coating, also known as galvanizing, involves applying a layer of zinc to the external surface of the pipe. This lining provides corrosion resistance and is commonly utilized in outdoor and exposed applications. These diverse lining materials offer distinct advantages and are selected based on the specific requirements of the application. Factors such as the nature of the transported fluid, environmental conditions, and expected service life play a crucial role in determining the most suitable lining material for ductile iron pipes.

Q: Do ductile iron pipes require pressure testing before installation?: Yes, ductile iron pipes typically require pressure testing before installation to ensure their integrity and ability to withstand the required pressure and flow conditions.

Q: Can ductile iron pipe be used for stormwater systems?: Yes, ductile iron pipe can be used for stormwater systems. Ductile iron pipe is a strong and durable material that is commonly used for various applications, including stormwater systems. It has excellent corrosion resistance, making it suitable for handling stormwater, which often contains debris and chemicals. Ductile iron pipe also has high tensile strength and can withstand heavy loads and pressures, making it a reliable choice for stormwater systems that may experience significant flow rates and occasional surges. Additionally, ductile iron pipe is available in various sizes and configurations, allowing for flexibility and adaptability in designing stormwater systems.

Q: What material is ductile cast iron 235A?: Pig iron is an alloy of iron and carbon carbon content more than 2%, pig iron carbon content is generally in 2.5%--4%, including C, SI, and Mn, S, P and other elements, is the use of iron ores in blast furnace products. According to the different forms of carbon in pig iron, and can be divided into pig iron, cast iron and steel ball ductile cast iron. Several precipitation of spherical graphite cast iron. The cutting action on the metal substrate than spheroidal graphite flake graphite cast iron, the strength of the matrix organization strength of 70 ~ 90%, the tensile strength is up to 120kgf/mm2, and has good toughness. Ductile iron chemical composition besides iron usually contains: the amount of carbon 3.3.8%, silicon 2.3.0%, manganese, phosphorus, sulfur and no more than 1.5% of the total amount of rare earth, magnesium spheroiditic agent.

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