DUCTILE IRON PIPE DN1000 K8

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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: What material is the cutting tool for ductile iron?: With pleasure. If necessary, you can also describe your processing work and so on, I help you analyze, recommend a few corresponding knives to you.

Q: How do ductile iron pipes perform in acidic soil conditions?: Ductile iron pipes have a reputation for being durable and resistant to different environmental conditions, including acidic soil conditions. When exposed to acidic soil, these pipes exhibit excellent resistance to corrosion due to their unique composition and protective coating. The high carbon content in ductile iron pipes gives them inherent resistance to corrosion, even in acidic environments. Additionally, these pipes are typically lined with cement mortar or a suitable epoxy coating, which provides an extra layer of protection against acid attack. The combination of the high carbon content and protective coating creates a barrier that prevents direct contact between the acid and the iron, thus minimizing the risk of corrosion. This ensures that the pipes remain structurally sound and maintain their integrity over a long period of time. Furthermore, ductile iron pipes have a long service life and are designed to withstand a wide range of soil conditions. Their strength and flexibility enable them to endure the stresses and strains caused by the surrounding soil, including acidic soil environments. This makes them an ideal choice for applications in soils with higher acidity levels. It is important to note that while ductile iron pipes perform well in acidic soil conditions, the severity and concentration of the acid can affect their performance. In extremely aggressive or highly concentrated acidic environments, additional corrosion protection measures may be necessary, such as sacrificial anodes or cathodic protection systems. In conclusion, ductile iron pipes are highly resilient and excel in acidic soil conditions. Their corrosion resistance, combined with their strong structure and protective coating, ensures their longevity and reliability, making them a preferred choice for various applications in such environments.

Q: What are the different pressure classes available for ductile iron pipe?: The different pressure classes available for ductile iron pipe include Class 100, Class 150, Class 200, Class 250, Class 300, Class 350, and Class 400.

Q: Can ductile iron pipes be used for trenchless pipe rehabilitation methods?: Trenchless pipe rehabilitation methods offer a way to repair or rehabilitate existing pipelines without the need for extensive excavation or trenching. In these methods, ductile iron pipes are often used due to their durability, strength, and resistance to corrosion. Various trenchless methods, such as pipe lining, pipe bursting, and slip lining, can be used to rehabilitate ductile iron pipes. These methods involve inserting a new lining or pipe inside the existing ductile iron pipe, which helps to extend its lifespan and improve its structural integrity. Ductile iron pipes are the preferred choice for trenchless rehabilitation because they can withstand the forces and pressures involved in the process, providing a reliable and long-lasting solution.

Q: Can ductile iron pipes be installed outdoors?: Ductile iron pipe is a kind of cast iron. It is an alloy of iron, carbon and silicon.

Q: Are ductile iron pipes suitable for bridge piers or abutments?: Yes, ductile iron pipes are suitable for bridge piers or abutments. Ductile iron is a strong and durable material that is widely used in various infrastructure projects, including bridges. It has excellent mechanical properties, including high tensile strength and impact resistance, making it capable of withstanding heavy loads and external forces. Additionally, ductile iron pipes are highly resistant to corrosion and have a long service life, which is crucial for structures like bridge piers or abutments that are exposed to harsh environmental conditions. The versatility and reliability of ductile iron pipes make them a suitable choice for supporting and reinforcing bridge structures, ensuring their safety and longevity.

Q: How does ductile iron pipe perform in sandy or unstable soils?: Due to its inherent strength and flexibility, ductile iron pipe exhibits exceptional performance in sandy or unstable soils. Its composition, which includes a combination of iron, carbon, and small amounts of other elements, grants it superior mechanical properties compared to other pipe types. In sandy soils, where the ground may shift and cause pipe movement and deformation, ductile iron's high tensile strength and elongation characteristics enable it to withstand pressure and stress without fracturing or breaking. Its flexibility allows it to accommodate soil movement and settlement, reducing the risk of pipe failure. Furthermore, ductile iron pipe's resistance to corrosion makes it highly suitable for installation in sandy soils. The application of protective linings and coatings on both the interior and exterior of the pipe prevents corrosive elements in the soil from attacking the iron, ensuring durability and reliability in the long term. In unstable soils with varying compaction levels or weak load-bearing capacity, ductile iron pipe's sturdy construction provides stability and support. Its robustness allows for even distribution of loads, minimizing the chances of pipe deflection or collapse. Moreover, the joint design and sealing methods of ductile iron pipe, such as push-on joints or mechanical joints with rubber gaskets, offer excellent leak resistance and prevent soil infiltration. This further enhances its performance in sandy or unstable soils. Overall, the combination of strength, flexibility, corrosion resistance, and reliable joint systems makes ductile iron pipe an ideal choice for applications in sandy or unstable soils. It provides a long-lasting and efficient solution for the transmission of water and wastewater.

Q: Are ductile iron pipes suitable for underground parking structures?: Yes, ductile iron pipes are suitable for underground parking structures. They are strong, durable, and resistant to external pressures, making them ideal for use in underground environments where they can withstand heavy loads and potential ground movements. Additionally, ductile iron pipes have excellent corrosion resistance, ensuring long-term performance and minimal maintenance in underground parking structures.

Q: Do ductile iron pipes require pressure testing before installation?: Before installation, it is necessary to conduct pressure testing on ductile iron pipes. This step is critical in guaranteeing the pipes' integrity and safety. Its purpose is to detect any leaks, weaknesses, or defects before the pipes are put into service. Pressure testing involves subjecting the pipes to higher-than-normal operating pressures to determine if they can endure the expected pressure without any failures. By doing so, this process prevents potential issues such as leaks, bursts, or failures that could result in water loss, property damage, or accidents. Hence, pressure testing is an indispensable requirement for ductile iron pipes to ensure their reliability and long-term performance.

Q: What are the different types of linings available for ductile iron pipe?: There are several types of linings available for ductile iron pipe, including cement mortar lining, polyethylene lining, and polyurethane lining.

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