T Type Ductile Iron Pipe DN350 Socket spigot pipe

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 200 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: Is the cast iron pipe buried in need of antiseptic treatment? What kind of anticorrosive materials are used?: It must be antiseptic. Usually hot asphalt brush painted two times, winding glass fiber cloth two road, cross construction.

Q: Can ductile iron pipe be used for directional drilling?: Yes, ductile iron pipe can be used for directional drilling. Directional drilling is a technique used to install underground pipes, cables, and conduits in a curved or horizontal path. Ductile iron pipes are known for their high strength and flexibility, making them suitable for this method. The pipes can be easily bent and maneuvered during the drilling process, allowing for the installation of pipelines in challenging terrains or crossing obstacles such as rivers, highways, and buildings. Additionally, ductile iron pipes have excellent resistance to corrosion, making them a durable and reliable choice for directional drilling projects.

Q: Are ductile iron pipes suitable for road crossings?: Yes, ductile iron pipes are suitable for road crossings. Ductile iron is a strong and durable material, making it well-suited for underground installations such as road crossings. The pipes have high tensile strength, which allows them to withstand heavy loads and traffic pressures without cracking or breaking. Ductile iron pipes also have excellent corrosion resistance properties, ensuring their longevity even in harsh environments. Additionally, these pipes are easy to install and maintain, making them a reliable choice for road crossings.

Q: Can ductile iron pipes be used for bridge drainage systems?: Yes, ductile iron pipes can be used for bridge drainage systems. Ductile iron is a strong and durable material that is commonly used in various applications, including water and sewage systems. It has excellent corrosion resistance and can withstand heavy loads and pressure, making it ideal for bridge drainage systems. Additionally, ductile iron pipes have a smooth inner surface that allows for efficient water flow, preventing clogs and blockages. Therefore, ductile iron pipes are a suitable choice for bridge drainage systems due to their strength, durability, and ability to handle the required water flow.

Q: What is the use of ductile iron?: Ductile iron is used as a conduit at the beginning. Iron pipes and fittings are mostly produced by major industrial countries. Their manufacture, design and use are in line with national standards and international standards and procedures (I502531). As far as water and other liquids are concerned, it has long been proved that ductile iron pipes are superior to gray iron pipes. The main reason for this change is the combination of strength and toughness of Ferritic Ductile Iron, which makes the pipes made of this material subject to high operating pressures and can be readily loaded and laid during laying. A gas pipeline must be able to withstand multiple use requirements, which stand near the pipeline excavation and municipal engineering construction and transportation, where the ball iron pipes with high strength, high performance and simple installation and connection technology has proved that this material selection is decisive.

Q: Are ductile iron pipes more expensive than other pipe materials?: Yes, ductile iron pipes are generally more expensive than other pipe materials such as PVC or HDPE. However, they offer superior strength, durability, and longevity, making them a cost-effective choice in the long run for applications that require high pressure or corrosive resistance. Additionally, ductile iron pipes have a lower life cycle cost due to their reduced maintenance and repair needs.

Q: How are ductile iron pipes protected against external damage?: Ductile iron pipes are protected against external damage through a variety of methods. One common method is the application of a protective coating to the pipe's exterior surface. This coating acts as a barrier, shielding the pipe from corrosive elements in the surrounding environment. Additionally, ductile iron pipes can be encased in concrete or a protective sleeve to provide further protection against external damage, such as impact or abrasion. Regular inspections and maintenance are also essential to identify any potential issues and ensure the ongoing protection of ductile iron pipes.

Q: How much is the manual installation fee of ductile iron pipes from 100 to 150 per metre?: DN150 ductile iron water supply pipe installation interface is not the same way, the installation of labor costs will be somewhat different

Q: What are the different types of linings available for ductile iron pipe?: Ductile iron pipes offer various linings with distinct advantages and applications. 1. Cement mortar lining: The most commonly used lining for ductile iron pipes is cement mortar. It involves applying a layer of cement mortar to the pipe's interior surface. This lining excels in resisting corrosion and chemical attacks, making it suitable for potable water distribution, wastewater conveyance, and industrial pipelines. Additionally, it improves flow efficiency by reducing friction and turbulence within the pipe. 2. Polyethylene lining: Ductile iron pipes often utilize polyethylene linings when corrosion resistance is a primary concern. This lining consists of a layer of high-density polyethylene (HDPE), either extruded or sprayed onto the inner surface of the pipe. Polyethylene lining provides exceptional resistance to corrosion, abrasion, and chemical attacks, making it ideal for transporting aggressive fluids such as saltwater, chemicals, or industrial waste. 3. Polyurethane lining: For applications requiring protection against abrasive wear, polyurethane linings are commonly employed in ductile iron pipes. This lining is created by spraying or pouring a layer of polyurethane onto the inner surface of the pipe. Polyurethane lining offers excellent resistance to abrasion, impact, and chemical attacks. It is suitable for conveying abrasive slurries, mining applications, and other high-wear environments. 4. Epoxy lining: To safeguard against corrosion and chemical attacks, epoxy linings are applied to ductile iron pipes. This lining is typically formed by applying a layer of epoxy resin to the pipe's inner surface using centrifugal casting or electrostatic spraying. Epoxy lining demonstrates outstanding adhesion and corrosion resistance, making it suitable for various applications like potable water distribution, wastewater treatment, and industrial pipelines. 5. Zinc lining: Ductile iron pipes employ zinc linings to provide cathodic protection against corrosion. This lining involves applying a layer of zinc to the pipe's inner surface through hot-dip galvanizing or electroplating. Zinc lining acts as a sacrificial anode, corroding preferentially to the iron pipe and shielding it from corrosion. It is commonly used in highly corrosive environments like seawater or acidic soils. Ultimately, the selection of a lining for ductile iron pipes relies on the specific requirements of the application, including the transported fluid, desired corrosion resistance, and potential for abrasive wear. Seeking guidance from industry experts and considering factors like cost, longevity, and maintenance requirements aids in determining the most suitable lining option for a particular project.

Q: How are ductile iron pipes protected against stray current corrosion?: Ductile iron pipes are protected against stray current corrosion through the implementation of various measures. One common method is the installation of a protective coating, such as an epoxy or zinc coating, on the external surface of the pipes. This coating acts as a barrier, preventing direct contact between the pipe and the surrounding soil or water. Additionally, cathodic protection systems, such as impressed current or sacrificial anode systems, can be employed to further protect the pipes. These systems help to control and redirect stray currents, minimizing their impact on the ductile iron pipes and preventing corrosion.

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