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: Can ductile iron pipes be made into clear tubes?: Of course, the cast iron pipe is suitable for being buried in the ground because of its corrosion resistance, rust resistance and non deformation.

Q: Can ductile iron pipes be used for hydropower projects?: Yes, ductile iron pipes can be used for hydropower projects. Ductile iron is known for its strength, durability, and resistance to corrosion, which makes it suitable for various applications including hydropower projects. These pipes can effectively handle the high pressure and flow required for hydropower generation, making them a reliable choice for this purpose.

Q: Are ductile iron pipes resistant to alkaline attacks?: Generally, ductile iron pipes have resistance against alkaline attacks. Ductile iron is renowned for its durability and ability to resist corrosion, making it suitable for a range of applications, including water and wastewater systems. Certain metals can experience corrosion from alkaline substances, such as high pH levels in water or chemicals. However, ductile iron has been specially engineered to withstand these conditions. Its composition, which includes the addition of alloying elements like nickel and chromium, enhances its resistance to alkaline attacks. Moreover, ductile iron pipes are frequently coated with protective substances like cement mortar or polyethylene, which further increase their resistance against alkaline substances. Nevertheless, it is important to consider that the specific resistance of ductile iron pipes to alkaline attacks can be influenced by various factors, such as the concentration and duration of exposure to alkaline substances, as well as the presence of other corrosive agents. Therefore, it is always advisable to consult with manufacturers or industry experts to ensure the appropriateness of ductile iron pipes for specific alkaline environments.

Q: What is the relationship between the mechanical properties of spheroidal graphite cast iron and its spheroidization rate?: Poor balling and poor performance. Can do under tensile. General level three or four or more on it

Q: What is the expected deflection of ductile iron pipes under load?: The expected deflection of ductile iron pipes under load can vary depending on several factors such as the diameter, wall thickness, material properties, and the magnitude and distribution of the load applied. Generally, ductile iron pipes have a relatively high resistance to deflection due to their inherent strength and durability. They are designed to withstand substantial loads and are often used in applications where high pressure and heavy loads are expected. To determine the expected deflection, engineers typically use structural analysis techniques such as finite element analysis or beam theory calculations. These methods take into account the specific geometry and material properties of the ductile iron pipe to predict its behavior under load. In practice, ductile iron pipes are designed with a certain maximum allowable deflection, which is usually specified by industry standards or local regulations. This maximum allowable deflection ensures that the pipe remains structurally sound and maintains its functionality. It is important to note that the expected deflection of ductile iron pipes can also be influenced by external factors such as soil conditions, installation methods, and changes in temperature. Therefore, proper installation techniques and adherence to industry guidelines are crucial to ensure the pipes perform as expected and meet the required deflection limits.

Q: Can ductile iron pipes be used for large-scale irrigation systems?: Yes, ductile iron pipes can be used for large-scale irrigation systems. Ductile iron pipes are known for their strength, durability, and resistance to corrosion, making them suitable for various applications including irrigation. These pipes are able to withstand high pressure and can handle the demands of large-scale irrigation systems. Additionally, ductile iron pipes have a long lifespan, reducing the need for frequent replacements and maintenance. They are also cost-effective compared to other materials used in irrigation systems. Therefore, ductile iron pipes are a suitable choice for large-scale irrigation systems due to their strength, durability, corrosion resistance, and cost-effectiveness.

Q: How do we handle the leaking of the ductile iron pipe?: In order to repair the defects of castings, the same or similar materials are usually adopted, and the materials with better performance or special requirements are used under special circumstances. Before welding, it is necessary to check the defects, determine the location, size and nature of the defects, and dig them out in accordance with the relevant measures, and then weld them again. Therefore, the preparation before welding must be in place.

Q: Can ductile iron pipes be used for wastewater reuse projects?: Ductile iron pipes are suitable for wastewater reuse projects due to their various properties. Firstly, they possess high strength and durability, enabling them to withstand the pressure and load requirements of wastewater systems. Additionally, they exhibit outstanding corrosion resistance, a crucial factor in wastewater applications where the presence of chemicals and corrosive substances is common. Moreover, the smooth internal lining of ductile iron pipes reduces friction and enhances the flow of wastewater. This is essential for efficient transportation and distribution of wastewater in reuse projects. Furthermore, ductile iron pipes are renowned for their ease of installation and maintenance. They can be effortlessly connected using various joint options, facilitating quick and efficient installation. Additionally, their long service life reduces the necessity for frequent replacements and minimizes maintenance costs. In conclusion, the properties of ductile iron pipes make them a suitable option for wastewater reuse projects, providing strength, durability, corrosion resistance, smooth flow, and ease of installation and maintenance.

Q: Are ductile iron pipes suitable for use in residential plumbing?: Yes, ductile iron pipes are suitable for use in residential plumbing. Ductile iron is a strong and durable material that is resistant to corrosion, making it ideal for plumbing systems. It has a high tensile strength, which means it can withstand high pressure and is less likely to crack or break compared to other materials. Ductile iron pipes are also known for their long lifespan, lasting up to 100 years or more, making them a reliable choice for residential plumbing systems. Additionally, ductile iron pipes have excellent flow characteristics, allowing for efficient water distribution throughout the home. Overall, the strength, durability, and corrosion resistance of ductile iron pipes make them a suitable and long-lasting option for residential plumbing.

Q: Is the ambient temperature at minus 20 degrees better with grey cast iron or ductile iron?: Ductile iron castings have been used in almost all major industries. These departments require high strength, plasticity, toughness, wear resistance, and resistance to ductile iron

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