DUCTILE IRON PIPE DN1100 K8/C/K9 System 1

DUCTILE IRON PIPE DN1100 K8/C/K9 System 2

DUCTILE IRON PIPE DN1100 K8/C/K9

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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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:Can ductile iron pipes be used for pressure reducing stations?: Yes, ductile iron pipes can be used for pressure reducing stations. Ductile iron pipes are known for their high strength and durability, making them suitable for handling high-pressure applications. They have excellent resistance to corrosion and can withstand the mechanical stresses and strains associated with pressure reducing stations. Additionally, ductile iron pipes have a smooth interior surface, which reduces friction losses and helps maintain a constant and controlled pressure within the system. Therefore, ductile iron pipes are a reliable and commonly used material for pressure reducing stations.

Q:How much pressure can the ductile iron pipe socket meet?: If it is a general installation, you can rest assured, are within the scope of tolerance.

Q:What is the typical pressure rating of ductile iron pipes?: The typical pressure rating of ductile iron pipes varies depending on the application and the size of the pipe. However, ductile iron pipes are generally designed and manufactured to withstand high pressure levels. In water and wastewater systems, for example, ductile iron pipes typically have a pressure rating of 250 psi (pounds per square inch) or higher. For larger pipes used in industrial applications, such as oil and gas pipelines, the pressure rating can be even higher, ranging from 350 psi to 500 psi or more. It is important to consult the specific manufacturer's specifications and industry standards to determine the precise pressure rating for a particular ductile iron pipe.

Q:Are ductile iron pipes suitable for use in irrigation sprinkler systems?: Yes, ductile iron pipes are suitable for use in irrigation sprinkler systems. Ductile iron pipes are known for their durability, strength, and corrosion resistance, making them an ideal choice for various applications, including irrigation systems. These pipes have a high tensile strength and can withstand high pressure and heavy loads, which is essential for maintaining a consistent water supply to sprinkler systems. Additionally, ductile iron pipes have a long lifespan, reducing the need for frequent maintenance and replacement, making them a cost-effective option for irrigation systems. Overall, ductile iron pipes are a reliable and suitable choice for use in irrigation sprinkler systems.

Q:Ductile iron pipe connection mode: Jack painted on the outer surface and rubber lubricant: lubricant evenly installed ring inner surface, outer surface coating in the socket to socket socket parts lubricant line all the brush in the socket.

Q:What is the typical lifespan of ductile iron pipe?: The lifespan of ductile iron pipe can differ based on several factors, including the pipe's quality, the conditions it faces, and the maintenance practices employed. On average, ductile iron pipe typically lasts about 100 years. This longevity is a result of its inherent strength and durability, allowing it to withstand high pressure and various environmental conditions. Furthermore, ductile iron pipe is often coated with protective materials like cement mortar lining or polyethylene encasement, which further enhance its durability. Regular inspections and maintenance can also contribute to extending the lifespan of ductile iron pipe by promptly identifying and addressing any issues or potential damages.

Q:Are there any specific standards or specifications for ductile iron pipes?: Yes, there are specific standards and specifications for ductile iron pipes. The most widely recognized standards for ductile iron pipes include ISO 2531, EN 545, and ASTM A536. These standards outline the requirements for the material composition, physical properties, dimensions, and testing methods of ductile iron pipes. Additionally, different countries or regions may have their own specific standards or specifications for ductile iron pipes.

Q:What is the disadvantage of nodular cast iron in excess of silicon?: Therefore, the increase of silicon content in nodular iron greatly improves the strength index and reduces toughness. Ductile iron has a greater crystalline undercooling and a tendency to chill when treated by spheroidizing, and silicon reduces this tendency.

Q:How are ductile iron pipes installed?: Ductile iron pipes are typically installed using a variety of methods, including trenching or open-cut excavation, horizontal directional drilling, and pipe bursting. In the traditional trenching method, a trench is dug to the required depth and slope, and the pipe is then lowered into place and joined using mechanical or push-on joints. Horizontal directional drilling involves drilling a pilot hole and then pulling the pipe through it, while pipe bursting involves breaking the existing pipe and replacing it with a new ductile iron pipe.

Q:How do ductile iron pipes perform in high-temperature steam applications?: Ductile iron pipes excel in high-temperature steam applications thanks to their remarkable performance. They can withstand elevated temperatures and maintain their structural integrity, making them highly suitable for steam distribution systems. One notable advantage of ductile iron pipes in high-temperature steam applications lies in their exceptional thermal conductivity. This property enables efficient heat transfer, ensuring that the steam is delivered at the desired temperature with minimal loss. Additionally, the high thermal conductivity of ductile iron helps to mitigate the risk of thermal expansion and contraction, which can lead to pipe failure or leakage. Moreover, ductile iron pipes boast a high melting point, typically around 2000°F (1093°C). This resistance to extreme temperatures encountered in steam applications ensures that the pipes remain intact and do not deform, guaranteeing the reliability and longevity of the piping system. Another crucial factor contributing to the performance of ductile iron pipes in high-temperature steam applications is their corrosion resistance. These pipes are usually coated with epoxy or other protective materials to prevent corrosion and maintain their structural integrity, even in aggressive steam environments. This corrosion resistance ensures that the pipes can endure harsh conditions and operate efficiently over an extended period. In conclusion, ductile iron pipes are an ideal choice for high-temperature steam applications due to their excellent thermal conductivity, high melting point, and corrosion resistance. These properties make them a reliable and long-lasting option for steam distribution systems, ensuring the safe and efficient transportation of steam at elevated temperatures.

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