DUCTILE IRON PIPE DN1000

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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: Are ductile iron pipes suitable for use in irrigation gate systems?: Yes, ductile iron pipes are suitable for use in irrigation gate systems. Ductile iron is a type of cast iron that has enhanced strength and flexibility, making it a durable and reliable choice for applications such as irrigation gate systems. Ductile iron pipes are known for their high tensile strength and resistance to corrosion, which is important for maintaining the integrity of the irrigation system. Additionally, ductile iron pipes have the ability to withstand high pressure and provide a long service life, making them a cost-effective solution for irrigation gate systems. Overall, ductile iron pipes are well-suited for use in irrigation gate systems due to their strength, durability, and resistance to corrosion.

Q: Can ductile iron pipes be used in culvert or storm sewer applications?: Yes, ductile iron pipes can definitely be used in culvert or storm sewer applications. Ductile iron pipes are known for their strength, durability, and flexibility, making them ideal for such applications. They have the ability to withstand heavy loads, resist corrosion, and handle high flow rates, making them a reliable choice for culverts and storm sewers. Ductile iron pipes also have a long service life and require minimal maintenance, further adding to their suitability for these applications. Additionally, ductile iron pipes can be easily installed and are available in various sizes and configurations to meet the specific requirements of culvert or storm sewer projects. Overall, ductile iron pipes are a proven and widely used option for culvert or storm sewer applications, providing efficient and long-lasting performance.

Q: Can ductile iron pipes be used for underground irrigation systems?: Yes, ductile iron pipes can be used for underground irrigation systems. Ductile iron is a strong and durable material that is resistant to corrosion and can withstand the pressure and load requirements of irrigation systems. It is commonly used in underground applications due to its longevity and reliability.

Q: How are ductile iron pipes protected against internal corrosion caused by chemicals?: Ductile iron pipes are protected against internal corrosion caused by chemicals through the application of protective linings or coatings. These linings, such as cement mortar, polyethylene, or epoxy, create a barrier between the pipe and the corrosive chemicals, preventing direct contact and corrosion. Additionally, corrosion inhibitors can be added to the water or fluid being transported to further minimize the risk of internal corrosion. Regular inspection and maintenance also play a crucial role in identifying potential corrosion issues and taking appropriate preventive measures.

Q: Can ductile iron pipes be used for stormwater drainage?: Indeed, stormwater drainage systems can utilize ductile iron pipes. Renowned for their robustness and endurance, ductile iron pipes are apt for numerous purposes, including stormwater drainage. Notably, these pipes possess remarkable tensile strength, enabling them to endure substantial loads and pressure, rendering them optimal for transporting significant volumes of stormwater. Furthermore, the smooth interior surface of ductile iron pipes diminishes friction and encourages efficient water flow, reducing the likelihood of obstructions and congestion. Through meticulous installation and upkeep, ductile iron pipes can furnish a dependable and enduring resolution for stormwater drainage.

Q: What is the typical weight of ductile iron pipe?: The typical weight of ductile iron pipe can vary depending on its diameter and wall thickness. However, as a general guideline, a 6-inch diameter ductile iron pipe with a wall thickness of 0.25 inches may weigh around 35 pounds per linear foot. Similarly, a 12-inch diameter ductile iron pipe with a wall thickness of 0.375 inches could weigh approximately 115 pounds per linear foot. It is important to note that these weight estimates are approximate and may vary slightly depending on the specific manufacturer and product specifications.

Q: What are the different types of joints used in ductile iron pipes?: There are several types of joints commonly used in ductile iron pipes. These joints are designed to provide a secure and leak-proof connection between pipe sections. Here are some of the most commonly used joint types: 1. Push-on joint: This type of joint is easy to install and requires no special tools. It involves lubricating the gasket on one end of the pipe and pushing it into the socket of the adjoining pipe. The gasket creates a tight seal that prevents leakage. 2. Mechanical joint: This joint type consists of a gland and a follower gasket. The gland is placed over the spigot end of one pipe, and the follower gasket is inserted into the bell end of the adjoining pipe. The gland is then tightened with bolts and nuts, compressing the gasket to form a secure joint. 3. Restrained joint: This joint is used in applications where pipes need to be restrained against axial movement or pressure thrust. It typically involves a mechanical joint with additional components such as tie rods, thrust blocks, or restrained couplings to provide the necessary restraint. 4. Flanged joint: Flanged joints are commonly used in large diameter ductile iron pipes. They involve a flange on one pipe end and a mating flange on the other pipe end. The two flanges are bolted together, creating a strong and secure connection. Flanged joints allow for easy disassembly and reassembly if needed. 5. Welded joint: Welded joints are created by fusing the ends of two pipes together using heat and pressure. This type of joint provides a permanent and strong connection. Welded joints are commonly used in underground or buried applications where long-term durability is essential. It is important to note that the choice of joint type depends on factors such as pipe diameter, application, and project requirements. Consulting with a professional engineer or the manufacturer's guidelines is recommended to ensure the appropriate joint type is selected for ductile iron pipes.

Q: Can ductile iron pipes be used for underground mining applications?: Yes, ductile iron pipes can be used for underground mining applications. Ductile iron is known for its strength, durability, and resistance to corrosion, making it suitable for underground mining environments where it may be exposed to harsh conditions and abrasive materials. Additionally, ductile iron pipes have excellent load-bearing capabilities, making them ideal for carrying and transporting materials in mining operations.

Q: What pipe can be used to replace the cast iron pipe in the water supply? Thank you: Cast iron pipes (Cast, Iron, Pipe), cast cast pipe. Cast iron pipes are used for water supply, drainage and gas transmission lines. They include cast iron pipes and pipe fittings. Labor intensity is small.

Q: Method for cutting large diameter ductile iron pipe: When the volume ratio of oxygen and acetylene is less than 1, a carbonized flame is obtained. Because of less oxygen and incomplete combustion, the flame is longer than the neutral flame and the temperature is lower. Acetylene in the carbide flame is suitable for welding high carbon steel, cast iron and cemented carbide materials. When welding other materials with a carbide flame, the weld metal becomes hard and brittle.

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