ductile iron pipeDN450 K8 SOCKET SPIGOT PIPE

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t

Supply Capability:: 30000 m.t/month

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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: How does ductile iron pipe perform in extreme temperatures?: Ductile iron pipe is renowned for its exceptional performance in extreme temperatures, thanks to its unique composition and manufacturing process. Its structural integrity remains uncompromised, allowing it to endure both high and low temperatures without issue. When it comes to high temperatures, ductile iron pipe showcases remarkable heat resistance. It can withstand temperatures of up to 1000 degrees Fahrenheit, making it perfect for applications involving hot liquids or gases, such as steam pipelines or industrial processes. Its strength and thermal stability enable it to maintain its shape and structural integrity even under extreme heat conditions, guaranteeing long-term reliability and safety. Similarly, ductile iron pipe excels in low-temperature environments. It can brave sub-zero temperatures without becoming brittle or prone to cracking, a common problem with materials like cast iron. This makes ductile iron pipe an ideal choice for applications in cold climates, such as water distribution systems in freezing temperatures. Moreover, the ability of ductile iron pipe to resist thermal expansion and contraction is another advantage in extreme temperatures. It has a low coefficient of thermal expansion, meaning it expands and contracts less compared to other materials. This property minimizes stress on the pipe, reducing the risk of leaks or failures caused by temperature fluctuations. In conclusion, ductile iron pipe demonstrates outstanding performance in extreme temperatures. Its heat resistance, ability to withstand low temperatures, and resistance to thermal expansion and contraction make it a reliable option for various applications, ensuring safe and efficient operations even in challenging environments.

Q: The difference between ductile cast iron pipe and machine-made cast iron pipe: Of different uses, ductile iron pipes are widely used for municipal water supply and drainage, rural drinking water and outdoor fire fighting works; mechanism cast iron pipes are mainly used in the city.

Q: Can ductile iron pipes be used for bridge piers?: Yes, ductile iron pipes can be used for bridge piers. Ductile iron pipes are known for their high strength and durability, making them suitable for various applications, including bridge construction. They have excellent resistance to corrosion and can withstand heavy loads, making them a reliable choice for supporting bridge piers. Additionally, ductile iron pipes offer ease of installation and maintenance, which can be advantageous in bridge construction projects. However, it is important to consider the specific requirements and design specifications of the bridge before selecting ductile iron pipes as the material for bridge piers. Proper engineering evaluation and consideration of factors such as load capacity, soil conditions, and environmental factors are essential to ensure the suitability and safety of using ductile iron pipes for bridge piers.

Q: Are ductile iron pipes suitable for fire protection systems?: Yes, ductile iron pipes are suitable for fire protection systems. Ductile iron is known for its strength, durability, and ability to withstand high pressure and heat, making it an ideal choice for fire protection systems. Additionally, ductile iron pipes have excellent corrosion resistance, which is crucial for ensuring the longevity and reliability of fire protection systems.

Q: Can ductile iron pipe be used for underground storage tank systems?: Yes, ductile iron pipe can be used for underground storage tank systems. Ductile iron is a strong and durable material that is resistant to corrosion and can withstand the pressure and load requirements of underground storage systems.

Q: Is nodular cast iron pipe filled with Yau Ma Tei?: In many areas of our country, ductile iron pipe in the middle and small diameter to tube connected with the tube, the bearing type or flange interface method; ductile iron, angle limit must be allowed better seismic performance and sealing performance.

Q: What are the different joint types available for ductile iron pipes?: Ductile iron pipes offer various joint types that are essential for maintaining the integrity and reliability of the pipeline system. 1. The push-on joint is the most prevalent joint used for ductile iron pipes. It involves inserting a rubber gasket into the bell end of the pipe and then pushing the spigot end into the bell, ensuring a tight seal. This joint is easy to assemble, quick, and has excellent resistance against soil movement and water pressure. 2. The mechanical joint involves a gland and follower that are secured around the spigot end of the pipe using bolts and nuts. It provides a robust and durable connection and is commonly used for larger diameter pipes or applications that expect higher pressure or thrust loads. 3. Flanged joints are utilized when connecting pipes to other components like valves or fittings. The pipe ends are machined and equipped with flanges that are bolted together using gaskets, ensuring a secure connection. These joints find frequent use in industrial applications or situations requiring frequent disassembly. 4. Restrained joints are designed to withstand significant external forces and prevent separation or pulling apart of the pipe. They typically combine mechanical joint components, such as bolts and glands, with additional restraining elements like welded or bolted-on restraints. These joints are commonly employed in high-pressure applications or situations where substantial external forces are present. Choosing the appropriate joint type is crucial and depends on factors such as pipeline design, operating conditions, and installation requirements. Seeking guidance from experienced engineers or pipe manufacturers can aid in determining the most suitable joint type for a specific ductile iron pipe application.

Q: Are ductile iron pipes suitable for bridge crossings?: Indeed, bridge crossings are well-suited for the utilization of ductile iron pipes. Renowned for their exceptional strength and durability, ductile iron pipes present a dependable option for a wide range of applications, including bridge crossings. These pipes possess the capacity to endure substantial loads and exhibit resistance to corrosion, a particularly vital attribute when considering the challenging environmental conditions that bridge crossings may expose them to. Moreover, ductile iron pipes possess the remarkable ability to flex and withstand ground movement, rendering them an optimal choice for bridge crossings where the ground may experience shifting or settling over time. In conclusion, ductile iron pipes offer the necessary characteristics to guarantee the secure and efficient conveyance of fluids or materials across bridges.

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 is the typical lifespan of ductile iron pipes?: The lifespan of ductile iron pipes can differ based on multiple factors, including pipe quality, environmental conditions, and maintenance practices. On average, these pipes typically last approximately 75 to 100 years. This longevity establishes them as a sturdy and enduring choice for water and sewage transport systems. Through correct installation and consistent upkeep, these pipes can endure corrosion, pressure, and other external elements, guaranteeing their durability and dependability. Furthermore, advancements in coatings and linings have extended the lifespan of ductile iron pipes, making them an exceptional option for infrastructure projects.

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