Ductile Iron Pipe of China DN200-DN400 EN545/ EN598/ ISO2531

Ductile Iron Pipe of China DN200-DN400 EN545/ EN598/ ISO2531 System 1

Ductile Iron Pipe of China DN200-DN400 EN545/ EN598/ ISO2531 System 2

Ductile Iron Pipe of China DN200-DN400 EN545/ EN598/ ISO2531

Ref Price:: $460.00 - 475.00 / m.t.

Loading Port:: China main port

Payment Terms:: TT or LC

Min Order Qty:: 20 m.t.

Supply Capability:: 50000 m.t./month

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1. Ductile Iron Pipe Description :

1) Pipes confirm to ISO2531,K9 class,T type joint,6m long,with inside cements lining conform to ISO4179, outside Zinc spraying(130g/m2) and bitumen coating(70μm) conform to ISO8179.

2) Pipe ends: Spigot and socket ends, with 100% SBR rubber gaskets accoding to ISO4633

3) We can do third party inspection according to customer's request.

4) Our products have been sold to many international market,such as Middle East and South East Asia and Africa.

2. Main Features of the Ductile Iron Pipe:

·High yield strength

·High tensile Strength

·High corrosion resistance

·Pressure Resistence

·Anti-corrosion

·Installation is convenient

·Satisfy the highest hygienic standards

3. Ductile Iron Pipe Images:

Ductile Iron Pipe of China 5200 Chip Price

4. Ductile Iron Pipe Specification

Standard: API SPEC 5L 44th eidtion,ASTM A252-98(2007)

Grade: A53 Grades A/B, ASTM A106 Grades B/C,ASTM A179

AWWA, C200, ASTM A139, ASTM A120, API 5L Grade B

X42, X52, X56, X60, X65, X70, X80, X100

Weld Alternatives: LSAW

OD size range: 6.4~44.5mm

Wall thickness: 406.4~1422mm

Length: 3 - 12 m according to requirment

Note: Other grade can also be provided after consulting. Special design are available

for coal slurry conveyance LSAW line tube -- Service.

5. FAQ:

We have organized several common questions for our clients，may help you sincerely：

1).Q: Why would you choose ductile iron pipe rather than other pipe materials?

A:The reasons are obvious for that not only ductile iron pipe possesses the inherent strength and flexibility of ductile iron, combined with proven corrosion protection systems, but also the cost savings can be achieved from design to installation and commissioning.

2).Q:Why can you guarantee the inner of pipes can’t be corroded?

A: High alumina cement mortar lining and sulphate-resistant cement mortar lining. These two special linings are applicable to inner anti-corrosion for sewage pipes, improving resistance to erosion of the sewage components.

Q:What is the manufacturing process of ductile iron pipes? Thank you: Made of nodular cast iron: a strict chemical composition, the content of silicon in molten iron requirements than the original carbon gray cast iron, nodular cast iron in reduced manganese, phosphorus, sulfur content of two liquid iron tapping temperature cast iron is higher than the ash, than the compensation sphere, conceived at the disposal of liquid iron temperature. Off line ball three disposal, that is to add a liquid iron ball agent four inoculation disposal of five nodular cast iron activity is poor, thus shorten the larger, higher demand for pouring temperature and pouring system larger size, more use of the riser cold iron by one condensation heat treatment criterion six iron is iron carbon alloy carbon content greater than 2%, the carbon content in ordinary industrial pig iron containing C, SI and 2.5%--4%, and Mn, S, P and other elements, is a product of iron ores in blast furnace. According to the difference in the shape of the carbon in the pig iron, it can be divided into several kinds, such as steelmaking pig iron, forging pig iron and nodular cast iron.

Q:How are ductile iron pipes repaired in case of damage?: Ductile iron pipes are typically repaired through various methods such as spot repair, joint repair, or full replacement. Spot repair involves fixing small sections of the pipe by cutting out the damaged area and replacing it with a new piece. Joint repair focuses on repairing the joints between pipe sections by replacing gaskets or applying sealants. In cases of extensive damage, full pipe replacement may be necessary to ensure the integrity and longevity of the pipeline system.

Q:Can ductile iron pipes be used in high-pressure applications?: Yes, ductile iron pipes can be used in high-pressure applications. Ductile iron pipes are known for their strength and durability, making them suitable for handling high-pressure fluids or gases. They have a higher pressure rating compared to other types of pipes, such as PVC or HDPE pipes. Ductile iron pipes also have excellent resistance to external loads and are capable of withstanding high internal pressures. These pipes are commonly used in water and wastewater systems, as well as in industrial applications where high-pressure conditions are present. It is important, however, to ensure that the ductile iron pipes used in high-pressure applications meet the required standards and specifications to ensure their safe and reliable operation.

Q:Can ductile iron pipes be used for underground sewage systems?: Yes, ductile iron pipes can be used for underground sewage systems. Ductile iron is a type of cast iron that has enhanced flexibility and strength, making it suitable for various applications, including sewage systems. Ductile iron pipes offer several advantages for underground sewage systems. Firstly, they have excellent corrosion resistance, which is crucial in sewage systems where the presence of moisture and chemicals can cause corrosion over time. This resistance to corrosion ensures the long-term durability and reliability of the pipes. Secondly, ductile iron pipes have high tensile strength, allowing them to withstand the pressure and stress that can occur in underground sewage systems. They are resistant to ground movements, such as soil settling or shifting, which can cause damage to other types of pipes. Furthermore, ductile iron pipes have a smooth internal surface, which results in a better flow capacity and reduces the likelihood of clogging or blockages in the sewage system. This smooth surface also helps to minimize the accumulation of debris and sediment, reducing the need for frequent maintenance and cleaning. Another important factor is that ductile iron pipes are available in various sizes and can easily be connected using a range of joint systems, allowing for flexibility in designing and constructing underground sewage systems. In summary, ductile iron pipes are an excellent choice for underground sewage systems due to their corrosion resistance, high tensile strength, smooth internal surface, and ease of installation.

Q:Are ductile iron pipes resistant to biogenic sulfide corrosion?: Yes, ductile iron pipes are resistant to biogenic sulfide corrosion. The high strength and durability of ductile iron make it highly resistant to the corrosive effects of biogenic sulfide, making it an ideal choice for underground sewer and wastewater applications.

Q:How do ductile iron pipes perform in freeze-thaw cycles?: Ductile iron pipes perform exceptionally well in freeze-thaw cycles. The material properties of ductile iron, such as its high tensile strength and excellent impact resistance, make it highly resistant to the stresses caused by freeze-thaw cycles. Unlike other materials, ductile iron pipes can withstand the expansion and contraction that occurs during freezing and thawing without cracking or breaking. One of the key reasons why ductile iron pipes excel in freeze-thaw conditions is their ability to absorb and dissipate stresses. The high ductility of the material allows it to deform slightly under stress, thereby releasing the built-up pressure and preventing any damage to the pipe. This characteristic ensures that the pipes can handle the repeated cycles of freezing and thawing without compromising their structural integrity. Additionally, ductile iron pipes have a protective and durable coating, such as cement mortar lining or polyethylene encasement, which further enhances their resistance to freeze-thaw cycles. These coatings provide an additional layer of protection and prevent water from coming into direct contact with the iron, reducing the potential for corrosion. Furthermore, ductile iron pipes have a long service life, typically exceeding 100 years. This longevity is attributed to the material's inherent strength and resistance to various environmental factors, including freeze-thaw cycles. The pipes' ability to withstand these cycles without significant damage ensures the reliability and durability of the water distribution system, even in areas prone to freezing temperatures. In conclusion, ductile iron pipes are highly reliable and perform exceptionally well in freeze-thaw cycles. Their high tensile strength, impact resistance, ability to absorb stresses, and protective coatings make them a preferred choice for water distribution systems in regions with harsh winter conditions.

Q:Are ductile iron pipes suitable for trenchless pipe ramming installations?: Yes, ductile iron pipes are suitable for trenchless pipe ramming installations. Ductile iron is a strong and durable material that can withstand the impact and stress of the ramming process. It has excellent tensile strength and can resist cracking or breaking under pressure. Additionally, ductile iron pipes are resistant to corrosion, making them a suitable choice for underground installations. The smooth interior surface of ductile iron pipes also facilitates the flow of fluids or gases. Overall, ductile iron pipes are a reliable and cost-effective option for trenchless pipe ramming installations.

Q:Are ductile iron pipes resistant to freeze-thaw cycles?: Yes, ductile iron pipes are generally resistant to freeze-thaw cycles. Their high tensile strength and flexibility allow them to withstand the expansion and contraction caused by freezing and thawing without significant damage. However, proper installation and maintenance practices should still be followed to ensure long-term durability.

Q:What are the differences between cast iron pipes W and A?: W cast iron pipe is subdivided into W cast iron pipe and W1 cast iron pipe, the difference between them is the difference between the wall thickness. Because of the cold weather, the requirements for pipes are higher. The W cast iron pipes are mainly used in the north, while the W1 cast iron pipes are mainly used in the south.

Q:Can ductile iron pipes be used for water supply networks?: Yes, ductile iron pipes can be used for water supply networks. Ductile iron pipes are known for their strength, durability, and resistance to corrosion, making them an ideal choice for transporting water. Additionally, their flexibility allows for easy installation and maintenance, making them a popular option for water supply networks.

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