DUCTILE IRON PIPE DN500 K8

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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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: How are ductile iron pipes protected against external corrosion?: Ductile iron pipes are protected against external corrosion through the application of protective coatings such as polyethylene, epoxy, or zinc. These coatings act as a barrier between the pipe and the surrounding environment, preventing contact with corrosive elements such as water, soil, or chemicals. Additionally, cathodic protection techniques, such as sacrificial anodes or impressed current systems, may also be employed to further enhance the corrosion resistance of ductile iron pipes.

Q: Can ductile iron pipes be used for trench crossings?: Yes, ductile iron pipes can be used for trench crossings. Ductile iron pipes are known for their high strength and durability, making them suitable for a wide range of applications including trench crossings. They have the ability to withstand heavy loads and external pressures, making them an ideal choice for underground installations. Additionally, ductile iron pipes have excellent corrosion resistance properties, ensuring their longevity and reliability in trench crossing scenarios.

Q: Are ductile iron pipes suitable for use in irrigation sprinkler systems?: Yes, ductile iron pipes are suitable for use in irrigation sprinkler systems. Ductile iron pipes are known for their durability, strength, and corrosion resistance, making them an ideal choice for various applications, including irrigation systems. These pipes have a high tensile strength and can withstand high pressure and heavy loads, which is essential for maintaining a consistent water supply to sprinkler systems. Additionally, ductile iron pipes have a long lifespan, reducing the need for frequent maintenance and replacement, making them a cost-effective option for irrigation systems. Overall, ductile iron pipes are a reliable and suitable choice for use in irrigation sprinkler systems.

Q: Are ductile iron pipes resistant to seismic events?: Yes, ductile iron pipes are resistant to seismic events. Ductile iron has excellent strength and flexibility, allowing it to withstand ground movement during earthquakes without fracturing or failing. This makes it a reliable choice for underground infrastructure in areas prone to seismic activity.

Q: What are the different coating thickness options for ductile iron pipe?: The different coating thickness options for ductile iron pipe vary depending on the specific application and requirements. However, common coating thickness options for ductile iron pipe range from 200 to 400 microns.

Q: What is the disadvantage of nodular cast iron in excess of silicon?: Therefore, the increase of silicon content in nodular iron greatly improves the strength index and reduces toughness. Ductile iron has a greater crystalline undercooling and a tendency to chill when treated by spheroidizing, and silicon reduces this tendency.

Q: What are the risks in the process of conveying ductile iron pipes?: Pile up: when the pipe is stacked, the lower part of the pipe should be covered with a tie or cushion block. The socket of the pipe is interlocked with each other, and the stop wedge must be put in place to prevent the pipe from rolling. Not allowed to be piled on marshes, rough slopes, or badly polluted areas.

Q: Are ductile iron pipes suitable for use in agricultural applications?: Yes, ductile iron pipes are suitable for use in agricultural applications. They are known for their durability, strength, and resistance to corrosion, making them ideal for transporting water, sewage, and irrigation systems commonly found in agriculture. Additionally, ductile iron pipes have a long lifespan and can withstand high pressure, making them a reliable choice for agricultural applications.

Q: Are ductile iron pipes suitable for installation in areas with high groundwater contamination and soil erosion?: Yes, ductile iron pipes are suitable for installation in areas with high groundwater contamination and soil erosion. Ductile iron pipes are known for their durability and resistance to corrosion, making them highly suitable for such conditions. Additionally, their ability to withstand external pressure and soil movement makes them a reliable choice in areas prone to soil erosion.

Q: Do ductile iron pipes have inner enamel?: Internal enamel ductile iron pipe is yes, but now there is almost no market (except for special process requirements), in the civil construction market, new materials, new technologies, new technologies can be replaced, there are many.

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