DUCTILE IRON PIPE DN1100 K9/C

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Specification:

1) The standard of pipe: ISO2531:1998, K9

2) Effective length: 6m

3) Inner cement line: Portland cement line as per ISO4179

4) Zinc coating: at least 130g/m² as per ISO8179

5) Bitumen painting: at least 70um as per ISO8179

6) With 100% quantity of NBR ring, or SBR ring, or EPDM ring as per ISO4633

7) DN80mm-800mm

8) High strength, lighter than grey iron, good corrosion resistance, no furring, small flow resistance, easy fixing, long life tome about 100 yeas

9) Produced by Hangzhou chunfeng machine

10) Checked by automatic inspection equipment

11) Composition:

Chemical composition
Chemical composition	Ductile Cast Iron Pipe (%)	Grey iron pipe (%)	Steel pipe (%)
C	3.5-4.0	3.2-3.8	0.1-0.2
Si	1.9-2.6	1.4-2.2	0.15-0.4
Mn	0.15-0.45	0.4-0.6	0.3-0.6
P	≤0.06	≤0.3	0.02-0.03
S	≤0.02	≤0.1	0.02-0.03
Mg	0.03-0.06

12) Feature:

Mechanical properties
	Ductile Cast Iron Pipe	Grey Iron Pipe	Steel Pipe
Tensile Strength(Mpa)	≥420	150-260	≥400
Yield Strength(Mpa)	≥300	No Confirmation	No Confirmation
Bending Strength(Mpa)	≥590	200-360	≥400
Elongation (%)	≥10	Neglected	≥18
Brinell Hardness(HBS)	≤230	≤230	About 140

13) T type mechanical joint

14) Packing: in bulk or container

Q: Are ductile iron pipes suitable for mining applications?: Ductile iron pipes are indeed suitable for mining applications. This type of cast iron has undergone treatment to enhance its strength, durability, and ductility. Notably, these pipes possess high tensile strength and corrosion resistance, making them an ideal choice for underground mining operations that face harsh conditions. The ability of ductile iron pipes to withstand high pressure and heavy loads is one of their key advantages in mining applications. They exhibit excellent structural integrity and can withstand both internal and external forces, ensuring reliable performance in demanding mining environments. Moreover, ductile iron pipes have a long service life and require minimal maintenance. They offer exceptional resistance to abrasion, which is extremely important in mining operations where abrasive materials such as rocks, minerals, and ores are prevalent. Additionally, the smooth inner surface of these pipes minimizes friction, allowing for efficient transportation of mining materials. Furthermore, ductile iron pipes are a cost-effective option compared to alternatives like steel or concrete. They have a lower upfront cost and require less frequent replacements, resulting in reduced long-term expenses for mining companies. In conclusion, ductile iron pipes are highly suitable for mining applications due to their strength, durability, resistance to corrosion and abrasion, long service life, and cost-effectiveness. These pipes ensure reliable and efficient transportation of mining materials, thereby contributing to the overall efficiency and productivity of mining operations.

Q: Can ductile iron pipes be used for water supply in remote areas?: Yes, ductile iron pipes can be used for water supply in remote areas. Ductile iron pipes are known for their strength and durability, making them suitable for various applications, including water supply systems. Their resistance to corrosion and ability to withstand high pressure make them a reliable choice for transporting water even in remote areas where maintenance and accessibility may be challenging.

Q: Can ductile iron pipes be used for bridge drainage systems?: Yes, ductile iron pipes can be used for bridge drainage systems. Ductile iron pipes are known for their strength, durability, and resistance to corrosion, making them suitable for various applications, including bridge drainage systems. They can effectively handle the flow of water and withstand the weight and pressure of vehicles passing over the bridge.

Q: Can ductile iron pipes be used in acidic environments?: Yes, ductile iron pipes can be used in acidic environments. Ductile iron has excellent resistance to corrosion, including acidic conditions, due to its protective oxide layer. This makes it a suitable choice for applications in which exposure to acids is expected.

Q: How does ductile iron pipe handle soil movement?: Ductile iron pipe is known for its excellent strength and durability, making it highly capable of handling soil movement. When the soil around the pipe shifts or settles, ductile iron pipes have the ability to flex and accommodate such movement without compromising their structural integrity. One of the key features that allows ductile iron pipes to handle soil movement is their inherent ability to withstand bending and stretching. They possess a high degree of flexibility, allowing them to adjust to ground shifts and settle without breaking or cracking. This flexibility is due to the unique material properties of ductile iron, which is a type of cast iron that has been treated with magnesium to enhance its strength and elasticity. Moreover, ductile iron pipes are designed with a thick-walled construction, which adds to their resistance against soil movement. This robust construction helps distribute the forces exerted by the shifting soil, minimizing the impact on the pipe and preventing any significant damage. In addition, ductile iron pipes are usually installed with appropriate bedding and backfill materials to provide additional support and stability. This includes using compacted soil or engineered granular materials around the pipe, which helps to evenly distribute the load and reduce the potential for soil movement. Overall, ductile iron pipe is an ideal choice for areas with high soil movement, such as regions with expansive or unstable soils. Its flexibility, strength, and proper installation techniques make it capable of handling the challenges posed by soil movement, ensuring long-lasting and reliable performance in various applications.

Q: Do ductile iron pipes require external coatings or wraps?: Yes, ductile iron pipes typically require external coatings or wraps for protection against corrosion. While ductile iron is known for its strength and durability, it is still susceptible to corrosion over time when exposed to certain environmental conditions. External coatings or wraps provide an additional layer of protection to the pipes, helping to prolong their lifespan and maintain their structural integrity. These coatings can vary and may include materials such as epoxy, polyethylene, or zinc, which act as a barrier between the pipe surface and corrosive elements in the surrounding environment. Additionally, wraps made of materials like polyethylene or polypropylene can also be used to provide mechanical protection against external factors such as impact or abrasion. Therefore, it is generally recommended to apply external coatings or wraps to ductile iron pipes to enhance their resistance to corrosion and ensure their long-term performance.

Q: Are ductile iron pipes suitable for deep burial installations?: Yes, ductile iron pipes are suitable for deep burial installations. Ductile iron pipes have excellent strength and durability, making them ideal for underground applications. They can withstand the pressure and weight of the soil and any potential external forces. Additionally, ductile iron pipes have a high resistance to corrosion, which is crucial for long-term performance in buried environments. Their flexibility also allows them to withstand ground movements and settle without breaking. Overall, ductile iron pipes are a reliable and cost-effective choice for deep burial installations.

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: How can the old water pipe ductile iron pipe be opened with three flanges?: First, the new process adopted; groove connection. With groove pieces, of course, ductile iron pipes should also be grooved pipes.Two, the old process1. dozen to lead lead; cut into strips, with a file play in the interface2. use expanded cement with asbestos3 use the asphaltBecause the interface material used in the old process is poisonous, especially in the water supply pipeline, environmental protection requires a new process now.

Q: Are there any specific standards or regulations for ductile iron pipe?: Yes, there are specific standards and regulations for ductile iron pipe. Ductile iron pipe is commonly used in water and wastewater systems due to its strength and durability. The most widely recognized standard for ductile iron pipe is the American Water Works Association (AWWA) C151 standard. This standard covers the minimum requirements for ductile iron pipe, including materials, dimensions, tolerances, and testing methods. It also provides guidelines for the manufacturing, installation, and maintenance of ductile iron pipe systems. In addition to the AWWA C151 standard, there are also other standards and regulations that govern the use of ductile iron pipe in different countries. For example, in Europe, ductile iron pipe is governed by the EN 545 and EN 598 standards, which specify the requirements for ductile iron pipes and fittings used in water supply and wastewater systems. Furthermore, government agencies such as the Environmental Protection Agency (EPA) in the United States may have specific regulations and guidelines for the use of ductile iron pipe in certain applications, such as drinking water systems. It is crucial for manufacturers, contractors, and engineers involved in the design, installation, and maintenance of ductile iron pipe systems to ensure compliance with these standards and regulations. This helps to ensure that ductile iron pipe is manufactured to the highest quality standards, and that it is installed and maintained properly to ensure its longevity and reliability in water and wastewater systems.

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