K Type Ductile Iron Pipe DN200

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Loading Port:
China Main Port
Payment Terms:
TT or LC
Min Order Qty:
23 m.t.
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Specification:

1) The standard of pipe: ISO2531:1998, EN545:2006K9 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


Q:
Yes, ductile iron pipes are suitable for use in paper mills. Ductile iron pipes are known for their strength, durability, and corrosion resistance, making them ideal for handling various fluids, including those used in paper mills. Additionally, their ability to withstand high pressures and temperatures makes them reliable and long-lasting in the demanding operating conditions of a paper mill.
Q:
Yes, ductile iron pipe can be used for both water and wastewater applications. Ductile iron is a type of iron that has been treated with small amounts of magnesium to create a more flexible and durable material. This makes it suitable for transporting both water and wastewater. Ductile iron pipes are known for their high strength and resistance to corrosion, making them ideal for underground applications. They can handle the high pressures and varying flow rates associated with water distribution systems, as well as the corrosive nature of wastewater. Additionally, ductile iron pipes have a longer lifespan compared to other materials commonly used in water and wastewater applications, such as PVC or concrete. Therefore, they are often chosen for projects that require a reliable and long-lasting pipe material for both water and wastewater transport.
Q:
Ductile iron pipes possess an impressive durability and extended lifespan. Typically, these pipes can endure from 80 to 100 years, with certain instances even reaching an impressive 150 years. The exceptional longevity of ductile iron pipes can be attributed to their sturdy construction, enabling them to withstand high-pressure surroundings, combat corrosion, and endure severe weather conditions. Furthermore, ductile iron pipes have established a commendable reputation for their reliability and performance, rendering them a favored option for water and wastewater infrastructure projects worldwide. By conducting regular inspections and implementing maintenance measures, the lifespan of ductile iron pipes can be further prolonged, assuring their continued service for numerous decades to come.
Q:
Indeed, underground fire hydrant systems can utilize ductile iron pipes. Renowned for their robustness and endurance, ductile iron pipes are well-suited for subterranean usage. They exhibit remarkable resistance against corrosion and possess the ability to endure significant pressures, both of which are indispensable prerequisites for fire hydrant systems. Moreover, ductile iron pipes boast an extended lifespan, diminishing the necessity for frequent replacements and upkeep, thereby rendering them a financially prudent option for fire hydrant systems.
Q:
Yes, ductile iron pipes are suitable for use in brewery facilities. Ductile iron pipes are durable, corrosion-resistant, and can withstand high-pressure applications, making them ideal for transporting water, steam, and other fluids within brewery facilities. Additionally, the smooth interior surface of ductile iron pipes minimizes friction and prevents the build-up of sediments or organic materials, ensuring the purity and quality of the beer being produced.
Q:
Areas with high soil acidity and alkalinity generally allow for the use of ductile iron pipes. However, it is crucial to consider the specific conditions and take appropriate measures to minimize the potential impact of these soil characteristics on the pipes. In regions with high soil acidity, the acidic conditions can promote corrosion of metal pipes, including ductile iron. To prevent this, protective measures such as applying an external coating or implementing cathodic protection can be utilized. These measures create a barrier between the pipe and the corrosive environment, thereby extending the pipes' lifespan. Similarly, in areas with high soil alkalinity, the alkaline conditions can affect the performance of ductile iron pipes. Alkaline soils can cause the formation of calcium carbonate deposits, commonly referred to as scale, which can gradually reduce the flow capacity of the pipes. Regular maintenance and cleaning of the pipes can help mitigate the effects of scale accumulation. It is important to note that the suitability of ductile iron pipes in areas with high soil acidity and alkalinity may also depend on the specific grade and quality of the pipes. Manufacturers often provide guidelines and recommendations regarding the use of their products in different environmental conditions. It is advisable to consult with pipe manufacturers or industry experts to ensure the proper selection and installation of ductile iron pipes in such areas.
Q:
The expected maintenance for ductile iron pipes involves regular inspections and preventative measures to ensure their longevity and optimal performance. Firstly, it is important to conduct routine visual inspections to identify any signs of corrosion, leaks, or other forms of damage. Inspecting the external surface for any signs of cracks, rust, or discoloration can help detect potential issues early on. Furthermore, periodic cleaning of the pipes is necessary to remove any debris or sediment buildup that may obstruct the flow of water. This can be achieved through flushing the pipes or using mechanical cleaning methods. Additionally, it is crucial to regularly check and maintain the protective coatings on the pipes, such as linings or external paints, to prevent corrosion and maintain their structural integrity. In terms of preventative maintenance, implementing a comprehensive corrosion control program can significantly extend the lifespan of ductile iron pipes. This can involve the application of corrosion inhibitors, cathodic protection systems, and periodic re-coating of the pipes. Regular monitoring of water chemistry parameters, such as pH levels and chlorine content, can also help prevent corrosion and extend the life of the pipes. Lastly, it is essential to keep accurate records of maintenance activities, including inspections, cleaning, and repairs, to track the condition of the pipes over time. This enables proactive planning for future maintenance and replacement needs, ultimately ensuring the efficient and reliable functioning of ductile iron pipes.
Q:
There are several accessories available for ductile iron pipe, including but not limited to, flange adaptors, couplings, valves, fittings, joint restraints, gaskets, and tapping sleeves. These accessories help in connecting, repairing, and maintaining ductile iron pipe systems.
Q:
Ductile iron pipe performs well in areas with high soil acidity due to its inherent corrosion resistance properties. The pipe is designed to withstand harsh environments and has a protective lining that prevents the acidic soil from causing damage. This lining acts as a barrier between the pipe and the soil, preventing the acid from corroding the iron. Additionally, ductile iron pipe has a high resistance to external loads, making it suitable for areas with unstable soil conditions. Overall, ductile iron pipe is a reliable choice for areas with high soil acidity as it can withstand the corrosive effects and provide long-lasting performance.
Q:What are the specifications of cast iron pipes?
Compared with grey cast iron pipe, ductile iron pipe has higher strength, better toughness, thinner tube wall, less metal consumption, and can bear higher pressure. The effective length is 5 meters and 6 meters. According to the wall thickness, it is divided into two grades P and G. It is the development direction of cast iron pipe.

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