ductile iron pipe

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Specification:

1) The standard of pipe: ISO2531:1998, EN545:2006，K9 K8

2) Effective length: 6m/5.7m

3) Inner cement line: Portland cement lineas per ISO4179

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

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

6)With 102% quantity of NBR, SBR, or EPDM ring asper ISO4633

7) DN80-DN1200

8) Highstrength, lighter than grey iron, good corrosion resistance, no furring, smallflow resistance, easy fixing, long life tome about 100 yeas

9)Checked by automatic inspection equipment

10) 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

11) 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

12) T type mechanical joint

13) Packing: in bulk or container

PACKING: 1) Pipesare bundled together with the steel belt.

2) Wooden pieces are put between the pipes.

Q: Can ductile iron pipes be used for underground fuel storage systems?: Underground fuel storage systems can utilize ductile iron pipes, which offer superior strength, durability, and flexibility compared to traditional cast iron pipes. These properties render ductile iron pipes suitable for a range of applications, including underground fuel storage. An important advantage of ductile iron pipes is their resistance to corrosion, a crucial factor for underground storage systems that may encounter various fuels and chemicals. Furthermore, their high tensile strength and resilience enable them to withstand external pressure and loading, ensuring the integrity and safety of the underground storage system. Additionally, ductile iron pipes boast a long lifespan, typically lasting for several decades. This longevity makes them a cost-effective option for underground fuel storage systems, as they can bear the weight of stored fuel and potential ground movements while maintaining the structural integrity of the system over time. Nevertheless, it is worth noting that the appropriateness of ductile iron pipes for underground fuel storage systems may depend on other factors, such as local regulations, soil conditions, and the specific fuel being stored. To ensure compliance and safety, it is always advisable to seek guidance from professionals and adhere to relevant guidelines when designing and installing such systems.

Q: Are ductile iron pipes suitable for use in irrigation sprinkler systems?: Ductile iron pipes, known for their durability, strength, and corrosion resistance, are a suitable option for irrigation sprinkler systems. With their high tensile strength, they can withstand heavy loads and high pressure, ensuring a consistent water supply. Moreover, their long lifespan reduces the frequency of maintenance and replacement, making them cost-effective. In summary, ductile iron pipes are reliable and appropriate for use in irrigation sprinkler systems.

Q: What is the difference between ductile iron pipes and cast iron pipes?: Ductile iron pipes and cast iron pipes have different compositions, properties, manufacturing processes, and applications. Ductile iron pipes are made from a type of cast iron known as ductile iron, which contains higher levels of carbon, silicon, and other alloying elements like magnesium. On the other hand, cast iron pipes are made from regular cast iron, which has a higher carbon content and lower levels of alloying elements. In terms of properties, ductile iron pipes are recognized for their high tensile strength, flexibility, and durability. They can withstand higher pressure and have a greater resistance to impact, making them suitable for applications that demand robust performance. Conversely, cast iron pipes are more brittle and fragile, making them susceptible to cracking or breaking under pressure or impact. The manufacturing process differs as well. Ductile iron pipes are formed through centrifugal casting, in which molten ductile iron is poured into a spinning mold. This centrifugal force aids in the even distribution of the molten metal, resulting in a strong and uniform pipe. On the other hand, cast iron pipes are made using sand casting, where molten cast iron is poured into a mold made of compacted sand. This method is less precise and can result in variations in the final product. In terms of applications, ductile iron pipes are commonly used in water and sewage systems, as well as in industrial pipelines that require high-pressure resistance. Cast iron pipes, on the other hand, are typically used in non-pressure applications such as drainage systems or underground sewer lines. To summarize, ductile iron pipes and cast iron pipes differ in their composition, properties, manufacturing processes, and applications. Ductile iron pipes offer greater strength, flexibility, and durability, making them suitable for high-pressure applications, while cast iron pipes are more brittle and commonly used in non-pressure applications.

Q: Are ductile iron pipes recyclable?: Yes, ductile iron pipes are recyclable. They can be melted down and reused to make new pipes or other iron products.

Q: What is the ductile cast iron pipe: Have not heard of the nodular cast iron pipe pipe, ductile iron may be a tube or a certain short tube is referred to as excellent grade.

Q: Will nodular cast iron pipes rust?: Ductile iron pipe corrosion process is good, decided whether it will rust. Whether it will rust or not, the key is whether the anti-corrosion process of the nodular cast iron pipe is in place.

Q: Ductile iron pipe is how many years warranty: Ductile iron pipe warranty is unlimited.

Q: Luo what effect of ductile cast iron: Chromium can improve the hardness, strength and wear resistance of nodular iron, and increase bainite in bainite ductile iron.

Q: Can ductile iron pipes be used in areas with high soil erosion?: Ductile iron pipes, due to their inherent strength and durability, can be used in areas with high soil erosion. Ductile iron is a type of iron that has been treated with graphite nodules, which enhances its flexibility and tensile strength. This makes it highly resistant to cracking and breaking, even under extreme conditions. In areas with high soil erosion, the ground is prone to shifting and movement, which can put significant stress on underground pipes. However, ductile iron pipes have a high resistance to external loading and can withstand the pressures exerted by the surrounding soil. They have been extensively tested and proven to be reliable in such environments. Furthermore, ductile iron pipes have a long lifespan, often exceeding 100 years, which makes them a cost-effective choice for areas with high soil erosion. Their corrosion resistance and structural integrity make them suitable for installation in various soil conditions, including those prone to erosion. It is important to note that proper installation techniques, such as using suitable bedding and backfill materials, should be followed to ensure the optimal performance of ductile iron pipes in areas with high soil erosion. Additionally, regular inspection and maintenance should be conducted to identify any potential issues early on and prevent any damage caused by soil erosion. Overall, ductile iron pipes are a reliable and durable option for areas with high soil erosion, providing long-lasting and efficient water distribution and wastewater management systems.

Q: Can ductile iron pipes be used for underground chemical transport systems?: Due to their strength, durability, and resistance to corrosion, ductile iron pipes are commonly utilized in a variety of applications. However, when considering their use in underground chemical transport systems, it is crucial to take certain factors into account. Firstly, it is necessary to evaluate the type of chemicals being transported. Although ductile iron pipes are generally resistant to a wide range of chemicals, including acids, alkalis, and organic solvents, there are some chemicals that can cause corrosion or react with the iron content of the pipes, leading to degradation and potential leakage. Therefore, it is essential to assess chemical compatibility and seek advice from chemical engineers or experts to determine if ductile iron pipes are suitable for specific chemical transport applications. Secondly, the concentration and temperature of the chemicals must be considered. Elevated temperatures and high concentrations of certain chemicals can accelerate the corrosion process, potentially compromising the integrity of the pipes. Therefore, it is crucial to evaluate the operating conditions and ensure that the ductile iron pipes can withstand the chemical concentration and temperature levels. Furthermore, the potential presence of abrasive or erosive chemicals needs to be taken into consideration. If the transported chemicals contain abrasive particles or possess erosive properties, it may cause increased wear and tear on the inner surface of the pipes, reducing their lifespan and potentially leading to leaks. In such cases, it may be more appropriate to use alternative materials with higher resistance to abrasion or erosion. Lastly, it is important to adhere to relevant regulations and standards. Different countries or regions may have specific requirements for underground chemical transport systems, including the selection of materials. Therefore, it is crucial to ensure that ductile iron pipes meet the necessary standards and are approved for use in such applications. In conclusion, while ductile iron pipes have many desirable properties for various applications, including underground use, their suitability for chemical transport systems is dependent on several factors. Before deciding to use ductile iron pipes for underground chemical transport systems, it is essential to carefully evaluate chemical compatibility, concentration and temperature levels, the presence of abrasive or erosive chemicals, and compliance with regulations. Seeking guidance from experts in the field is highly recommended to ensure the safety and effectiveness of the chosen piping material.

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