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 fire hydrant systems?: Yes, ductile iron pipes can be used for underground fire hydrant systems. Ductile iron pipes are known for their strength, durability, and resistance to corrosion, making them a suitable choice for underground installations. They can withstand the high pressure and flow rates required for fire hydrant systems, ensuring reliable water supply for firefighting purposes.

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: What's the advantage of FCD50 ductile iron?: Ductile cast iron pipes are called ductile iron pipes.

Q: Are ductile iron pipes resistant to chemical attacks?: Yes, ductile iron pipes are generally resistant to chemical attacks. Ductile iron is known for its high corrosion resistance, making it suitable for a wide range of applications including water and wastewater systems. Ductile iron pipes are typically lined with a protective coating such as cement mortar or epoxy to further enhance their resistance to chemical attacks. This lining acts as a barrier between the pipe material and the corrosive substances, preventing any degradation of the iron. However, it is important to note that the level of resistance can vary depending on the specific chemical being transported and the concentration and temperature of the solution. Therefore, it is always advisable to consult with experts or engineers to ensure the suitability of ductile iron pipes for specific chemical environments.

Q: Can ductile iron pipes be used for oil and gas pipelines?: Yes, ductile iron pipes can be used for oil and gas pipelines. Ductile iron is a strong and durable material that is resistant to corrosion, making it suitable for transporting oil and gas over long distances. Additionally, ductile iron pipes have excellent pressure-bearing capabilities, making them capable of withstanding the high pressures often associated with oil and gas transportation. Furthermore, ductile iron pipes are relatively easy to install and maintain, which adds to their suitability for oil and gas pipelines. However, it is important to note that the specific application and conditions of the pipeline must be considered, and consulting with industry experts is recommended to ensure the proper selection and installation of ductile iron pipes for oil and gas transportation.

Q: Are ductile iron pipes resistant to alkaline attacks?: Yes, ductile iron pipes are generally resistant to alkaline attacks. The high carbon content and unique composition of ductile iron make it highly resistant to corrosion caused by alkaline substances. This resistance allows ductile iron pipes to be used in a variety of applications where alkaline conditions exist, such as wastewater treatment plants and alkaline soil environments. However, it is important to note that the specific resistance may vary depending on the concentration and duration of exposure to alkaline substances.

Q: Can ductile iron pipe be used for irrigation pumping stations?: Yes, ductile iron pipe can be used for irrigation pumping stations. Ductile iron pipe is known for its durability, corrosion resistance, and ability to withstand high pressure and flow rates. It is a commonly used material for water supply systems, including irrigation pumping stations, due to its reliability and long service life.

Q: Water supply pipe is ductile iron, then it's fittings and valves and other parts must be ductile iron?: Not always。Valve material selection is mainly determined by the fluid medium.The medium can be divided into gas, liquid, corrosive gas, liquid and oil. According to different media, temperature, and pressure levels, choose different materials, plastic, cast iron, cast steel, stainless steel and so on.

Q: Can ductile iron pipe be used for marine and offshore applications?: Ductile iron pipe is suitable for marine and offshore applications due to its high strength and durability. It is well-known for its ability to withstand demanding environments and is particularly resistant to corrosion, including the corrosive effects of saltwater and harsh marine conditions. Moreover, its ductility allows for flexibility and resistance to cracking or fracturing under high-pressure conditions. These exceptional properties make ductile iron pipe a dependable choice for transporting fluids and gases in marine and offshore industries, such as offshore oil and gas platforms, marine structures, and underwater pipelines. To further enhance the corrosion resistance of ductile iron pipes in marine and offshore applications, it is essential to utilize proper coating and cathodic protection systems.

Q: What is the process of fusion bonding for ductile iron pipes?: Ductile iron pipes are joined together through the fusion bonding process, which involves applying heat and pressure to create a strong and long-lasting bond. This technique is commonly used in the construction and installation of underground water, sewer, and gas pipelines. To start the fusion bonding process, the surfaces of the pipes are thoroughly cleaned and prepared. This includes removing any dirt, debris, or rust that could hinder proper bonding. Specialized tools and techniques, such as wire brushing or sandblasting, are often utilized to ensure a clean and smooth surface. Once the surfaces are prepared, the pipes are aligned and securely clamped together. A fusion bonding machine, also known as a fusion welder, is then employed to apply heat and pressure to the joint. The fusion bonding machine consists of heating elements positioned around the joint and a hydraulic system that applies the necessary pressure. The heating elements, typically powered by electricity or gas, are designed to reach high temperatures capable of melting the ductile iron material. As the heat is applied, the ductile iron surfaces soften and fuse together, creating a strong bond. The pressure from the fusion bonding machine ensures that the molten iron flows evenly and uniformly between the joint surfaces, resulting in a seamless connection. The duration of the fusion bonding process varies depending on the size and thickness of the pipes and the specific project requirements. Once the fusion bonding is complete, the joint is allowed to cool and solidify, forming a permanent and leak-proof connection. Fusion bonding offers numerous advantages for ductile iron pipes. It provides a reliable and durable joint that can withstand high pressure, temperature variations, and external loads. The seamless connection also minimizes the risk of leaks, which is particularly important for underground pipelines that transport water, sewage, or gas. Overall, fusion bonding is a widely utilized technique for joining ductile iron pipes, ensuring their structural integrity and longevity in various infrastructure projects.

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