ductile iron pipe of chinaClass lining in acc with ISO4179

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Quick Details

Place of Origin:China (Mainland)
Model Number:DN80-1600
Length:6M/5.7M/NEGOTIATED
Standard:ISO2531 / EN545
Application:Potable/Sewage Water
Diameter:DN80-1600
Shape:Round
Hardness:230
Pipe Wall Thickness:standerd
Pull Strength:420
Yield (≥ MPa):300
Material:Ductile Iron
water ductile iron pipe:SO2531 / EN545 DI pipe

Packaging & Delivery

Delivery Detail:	30-45 days

Specifications

ductile iron pipe:
1. DN80-DN1600mm (T-Type, Class K9)
2.effective length 6m/pc
3.comply with ISO2531/EN545/EN598

Company Profile

CNBM International Corporation is the leading production base and renowned supplier of Ductile Iron Water Pipe systems of both potable and waste water in China. We are constantly looking to develop high quality products to ensure the longest service life and wonderful performance.

CNBM Pipelines regard quality as the essential factor leading to successful business. Every ductile iron pipe is tested in accordance with BS EN545 (water application) or BS EN598 (sewer application). CNBM Pipelines products comply with and are tested according to the relevant European and International Standards. Our pipes are manufactured under the quality management system BS EN ISO 9001. After years of efforts, CNBM Pipelines has built up great reputation in terms of quality and service among customers worldwide.

Product Introduction

CNBM ductile iron pipe ranges from DN80-DN1600mm (Tyton, T-Type, Class K7/K8/K9), effective length: 6m, complying with ISO2531and EN545 standards.

Specification& Payment terms

Internal lining: ductile iron pipes shall have an internal cement mortar lining in acc with ISO4179.

External coating: ductile iron pipes shall be externally coated with metallic zinc spray plus a further layer of resin painting to ISO8179.

Gasket: 100% SBR/NBR/EPDM rubber gasket in accordance with ISO4633.

Packing: ductile iron pipes from DN100 to DN300 be bundled with steel belts, others are in bulk.

Payment term: L/C, T/T.
Packing: In bulk vessel or in container

Q:Ways of connecting ductile iron pipes: In our country, the national standards stipulated annealing, centrifugal casting, water delivery with ductile iron, straight pipe, pipe fittings, aprons and other technical requirements, China's production of ductile iron pipe products must meet the current national standards.

Q:What material is ductile cast iron 235A?: Ductile iron is a pig iron

Q:Are ductile iron pipes suitable for acidic or alkaline environments?: Ductile iron pipes can be used in both acidic and alkaline environments, but their performance may vary depending on the conditions. Ductile iron is a type of cast iron that has been strengthened and made more flexible by adding a small amount of magnesium. This treatment allows the pipes to withstand various conditions, including those found in acidic or alkaline environments. In acidic environments, ductile iron pipes resist corrosion well. The iron in the pipes reacts with the acid to create a protective layer of iron oxide, which prevents further corrosion. However, it is important to consider factors like acid concentration and temperature, as they can affect the performance of ductile iron pipes in acidic environments. In highly concentrated or extremely acidic conditions, materials like stainless steel or corrosion-resistant alloys may be more suitable. Similarly, ductile iron pipes also resist corrosion in alkaline environments. The alkaline conditions help to passivate the iron surface, forming a protective layer that prevents further corrosion. However, the specific conditions and alkali concentrations may influence the performance of ductile iron pipes in alkaline environments. In cases of very high alkalinity or extreme temperatures, materials like plastic or concrete pipes may be more appropriate. It is important to note that regular maintenance and monitoring are necessary to ensure the long-term performance of ductile iron pipes in both acidic and alkaline environments. Monitoring the pH levels and other chemical characteristics of the environment is crucial to identify any potential issues or required maintenance. Consulting experts or engineers in the field can provide valuable insights and guidance in selecting the most suitable materials for specific acidic or alkaline environments.

Q:If the ductile iron pipe is broken, can we use rush repair?: In this way, manpower, material resources and financial resources can be saved, time can be saved, and unnecessary troubles to the citizens' water supply can also be reduced.

Q:Can ductile iron pipes be used for water tunnel crossings?: Yes, ductile iron pipes can be used for water tunnel crossings. Ductile iron pipes are known for their strength, durability, and resistance to corrosion, making them a suitable choice for various applications, including water tunnel crossings. They are capable of withstanding high pressure, external loads, and ground movements, which are often encountered in tunnel crossings. Additionally, ductile iron pipes have a long service life and require minimal maintenance, making them a cost-effective solution for water tunnel crossings.

Q:How is ductile iron different from cast iron?: Ductile iron and cast iron are two iron alloys with varying compositions, properties, and uses. The primary distinction between the two lies in their microstructure and mechanical properties. Ductile iron, also known as spheroidal graphite iron or nodular cast iron, is a type of cast iron that undergoes an extra treatment process to enhance its strength and ductility. This is achieved by adding small amounts of magnesium to the molten iron during casting, resulting in the formation of graphite nodules throughout the material. These nodules act as stress raisers, preventing crack propagation and making ductile iron more resistant to fractures and more flexible compared to cast iron. In contrast, cast iron is an iron alloy with a higher carbon content than ductile iron. This higher carbon content leads to the formation of graphite flakes within the material, giving cast iron its characteristic brittleness. Due to its brittleness, cast iron is more prone to cracking and less flexible than ductile iron. However, cast iron exhibits excellent compressive strength and is highly resistant to wear and abrasion, making it suitable for applications where strength and durability are crucial, such as engine blocks, pipes, and manhole covers. Another difference between ductile iron and cast iron can be observed in their machinability. Ductile iron is generally easier to machine due to its lower carbon content and the presence of graphite nodules, which act as lubricants during the cutting process. On the other hand, the presence of graphite flakes in cast iron can cause tool wear and result in a poor surface finish during machining. In summary, ductile iron and cast iron differ in their microstructure, mechanical properties, and applications. Ductile iron offers improved ductility and fracture resistance, making it suitable for applications that require flexibility and impact resistance. Cast iron, with its higher carbon content and graphite flakes, provides excellent compressive strength and wear resistance, making it ideal for applications that demand strength and durability.

Q:What is the lifespan of ductile iron pipe?: The lifespan of ductile iron pipe can vary depending on various factors such as the quality of the pipe, the environment in which it is installed, and the maintenance practices followed. However, on average, ductile iron pipe has a lifespan of around 80 to 100 years. This long lifespan can be attributed to the inherent durability and strength of ductile iron, which allows it to withstand high pressure, external loads, and environmental conditions. Additionally, ductile iron pipe is often coated with protective linings such as cement mortar or epoxy to further enhance its resistance to corrosion and extend its lifespan. Regular inspections and maintenance can also contribute to prolonging the lifespan of ductile iron pipe by identifying and addressing any potential issues in a timely manner. Ultimately, with proper installation, maintenance, and care, ductile iron pipe can provide reliable and long-lasting service for several decades.

Q:General cast iron prices now: Hubei, Suizhou, in 2010, normally 5000-7000 tons of iron, if required to join copper and other metals, the price is calculated. The price is very low, because the market price in Suizhou is the lowest in the whole country. Under normal circumstances, it should be 8000 tons a ton

Q:Can ductile iron pipes be used for road and highway drainage?: Ductile iron pipes are a viable option for road and highway drainage purposes. With their exceptional strength and durability, these pipes are well-suited for a range of applications, including drainage systems. They possess a high tensile strength and can endure heavy loads and traffic, making them an ideal choice for road and highway drainage, where continuous vehicle movement is anticipated. Moreover, ductile iron pipes are resistant to corrosion and have a long lifespan, minimizing the need for maintenance and replacement, ultimately reducing costs. Additionally, their smooth inner surface enables efficient water flow, preventing waterlogging and ensuring proper drainage. Hence, ductile iron pipes are a dependable and efficient selection for road and highway drainage systems.

Q:What are the advantages of using ductile iron pipe over concrete pipe?: Using ductile iron pipe instead of concrete pipe offers several advantages. To begin with, ductile iron pipe has a higher strength-to-weight ratio, making it capable of withstanding higher pressure and loads while being lighter. This makes it easier to handle and install, ultimately reducing labor costs and saving time. Additionally, ductile iron pipe has superior corrosion resistance, making it less susceptible to rust or degradation over time. This extends its lifespan and reduces the need for frequent repairs or replacements, making it a more cost-effective option in the long run. Moreover, ductile iron pipe is more flexible and resilient compared to concrete pipe. It can withstand ground movement, settling, and other environmental factors without cracking or breaking. This reduces maintenance and repair costs, ensuring its durability. Furthermore, ductile iron pipe has a smoother interior surface, resulting in improved flow characteristics and reduced friction. This allows for more efficient transportation of fluids and minimizes the risk of clogs or blockages, guaranteeing uninterrupted flow. Lastly, ductile iron pipe is highly versatile and suitable for a wide range of applications. It can be used for both above-ground and underground installations, making it ideal for various infrastructure projects such as water supply systems, wastewater treatment plants, and industrial applications. In conclusion, the advantages of using ductile iron pipe over concrete pipe include its higher strength-to-weight ratio, superior corrosion resistance, better flexibility and resilience, smoother interior surface, and versatility. These benefits make it a reliable and cost-effective choice for various infrastructure projects.

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