T Type Ductile Iron Pipe DN200 C40 CLASS SOCKET SPIGOT PIPE

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t

Supply Capability:: 30000 m.t/month

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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: What is the expected burst pressure of ductile iron pipes?: The expected burst pressure of ductile iron pipes can vary depending on various factors such as the pipe diameter, wall thickness, and the specific grade of ductile iron used. However, in general, ductile iron pipes typically have a burst pressure ranging from 350 to 700 psi (pounds per square inch).

Q: What is cast iron pipe?: According to its manufacturing methods can be divided into: sand, centrifugal pipe, straight pipe, continuous cast iron pipe and sand pipe.According to the material used, it can be divided into gray iron pipe, nodular cast iron pipe and high silicon iron pipe.

Q: What is the expected service life of ductile iron pipe?: The expected service life of ductile iron pipe can vary depending on various factors such as the environment, soil conditions, water quality, and the level of maintenance and corrosion protection measures implemented. However, on average, ductile iron pipe is designed to have a service life of 75 to 100 years. This is due to its superior strength, durability, and resistance to corrosion. Ductile iron pipe is known for its ability to withstand harsh conditions and has been used extensively in water and wastewater systems, industrial applications, and other infrastructure projects. Regular maintenance and proper corrosion protection can further extend the service life of ductile iron pipe, ensuring its continued reliability and performance over many decades.

Q: How much is the installation of cast iron pipe drainage 1 meters?: From the tightness and corrosion resistance, ductile pipe sealing better after installation, but also can improve the corrosion resistance of corrosion protection through a variety of means; from the hydraulic performance, because ductile pipe specifications generally refers to the inner diameter of PE pipe diameter specifications generally refers to the same specifications, because under the condition of ductile pipe can achieve more runoff large; from the installation and maintenance cost, ductile pipe have more favorable price. The inner wall of zinc spray, anti-corrosion materials such as cement mortar.

Q: What is the expected external coating for ductile iron pipes?: Typically, when it comes to ductile iron pipes, an expected external coating is applied to the pipe's outer surface. This coating serves as a protective layer, preventing corrosion and increasing the pipe's lifespan. Some common types of coatings for these pipes are polyethylene, polyurethane, and epoxy coatings. These coatings act as a barrier, shielding the pipe from contact with corrosive substances like soil, water, and chemicals. The choice of coating depends on factors such as the intended use, soil conditions, and required level of corrosion protection. Ultimately, the purpose of the expected external coating for ductile iron pipes is to ensure their longevity and durability in various environmental conditions.

Q: How do ductile iron pipes handle ground movement in earthquake-prone areas?: Ductile iron pipes are known for their excellent resistance to ground movement, making them a reliable choice for earthquake-prone areas. These pipes are designed to withstand external forces, including the ground shifting and movement caused by seismic activities. The flexibility of ductile iron pipes allows them to absorb and distribute the energy generated during ground movement. This flexibility is achieved due to the unique composition of ductile iron, which includes nodular graphite in its microstructure. The nodular graphite provides ductility and resilience to the pipe, allowing it to deform under stress without fracturing. When an earthquake occurs and the ground starts to move, ductile iron pipes can adapt to the changing conditions. They have the ability to elongate, compress, and bend, thus reducing the risk of pipe failure. This characteristic is crucial in earthquake-prone areas, as it helps prevent catastrophic failures and water loss that can occur with more rigid pipe materials. Moreover, ductile iron pipes have a high level of joint integrity, which further enhances their ability to handle ground movement during seismic events. The joints of these pipes are designed to withstand lateral and angular movement, ensuring that they remain intact and leak-free. In addition to their inherent flexibility, ductile iron pipes are often installed using techniques that enhance their resistance to ground movement. Anchoring systems, such as thrust blocks and restraints, can be utilized to secure the pipes and prevent excessive movement. These systems help to stabilize the pipeline network and further minimize the potential for damage during earthquakes. Overall, the combination of ductility, joint integrity, and anchoring systems make ductile iron pipes a reliable choice for handling ground movement in earthquake-prone areas. They provide a durable and resilient solution that can withstand the challenges posed by seismic activities, ensuring the continuous supply of water and minimizing the risk of infrastructure damage.

Q: Can ductile iron pipes be used for underground utilities?: Underground utilities can indeed utilize ductile iron pipes. Renowned for their robustness, strength, and ability to withstand external pressure, ductile iron pipes prove to be a fitting option for subterranean applications demanding remarkable load-bearing capacity, such as utility installations. Furthermore, these pipes exhibit resistance to corrosion, a crucial attribute for underground environments that subject the pipes to dampness and soil conditions. Moreover, ductile iron pipes surpass alternative materials in terms of service life, thereby reducing the necessity for frequent replacements and maintenance. Consequently, ductile iron pipes find widespread application in underground utilities, encompassing water distribution, sewage systems, and gas pipelines.

Q: Are ductile iron pipes resistant to chemicals or solvents?: Yes, ductile iron pipes are generally resistant to chemicals and solvents. Their strong and durable composition makes them suitable for carrying various substances, including acids, alkalis, and other corrosive materials, without significant degradation or damage. However, it is always recommended to consult specific chemical resistance charts or manufacturers' guidelines to ensure compatibility with specific chemicals or solvents.

Q: What is the typical cost of maintenance for ductile iron pipes?: The typical cost of maintenance for ductile iron pipes can vary depending on various factors such as the length of the pipes, the condition of the surrounding soil, and the specific maintenance activities required. However, on average, the cost of maintenance for ductile iron pipes can range from a few hundred to a few thousand dollars per mile per year.

Q: What are the different types of linings available for ductile iron pipe?: There are several types of linings available for ductile iron pipe, including cement mortar lining, polyethylene lining, and polyurethane lining.

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