T Type Ductile Iron Pipe DN2000

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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, 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:Can ductile iron pipes be used for stormwater management?: Yes, ductile iron pipes can be used for stormwater management. Ductile iron is a strong and durable material that is resistant to corrosion and can withstand the high flow rates and pressures typically associated with stormwater management systems. These pipes have been widely used for various applications, including stormwater drainage and sewage systems. Their ability to handle heavy loads and withstand environmental factors makes them a suitable choice for stormwater management, ensuring efficient water flow and preventing flooding in urban areas. Moreover, ductile iron pipes have a long lifespan, reducing the need for frequent maintenance and replacement, making them a cost-effective choice for stormwater management infrastructure.

Q:How does the white iron appear in the case of ductile iron?: If it is to solve the white cast, the casting can be annealed.To prevent a chill in the casting, it is important to know your entire casting process to find the cause and the solution.

Q:What are the differences between ductile cast iron pipes and centrifugal ductile iron pipes?: Small, thin pipe fittings are usually rolled or continuously cast, and large, thick pipes are usually centrifugally cast. Compared to sand casting, the tissue is compact and homogeneous.

Q:What is the average weight of ductile iron pipe?: The size and thickness of ductile iron pipe can cause fluctuations in its average weight. Typically, smaller diameters of ductile iron pipe weigh around 3.5 pounds per foot, while larger diameters can exceed 20 pounds per foot. It is essential to acknowledge that these weights are rough estimates and might slightly differ depending on the manufacturer and pipe specifications.

Q:Principles for the antiseptic treatment of ductile iron pipes: Anti corrosion process of ductile iron pipe:1. asphalt paint coatingBituminous paint coatings are pipes used to carry gas. Preheating the pipe before spraying can improve the adhesion of asphalt paint and accelerate drying.2. cement mortar lining + special coatingThe internal corrosion prevention measures are suitable for pipes conveying sewage, and the corrosion resistance of lining can be improved.3. epoxy coal tar coatingThe epoxy coal tar coating is not only suitable for gas pipelines, but also for sewage pipes. It is a two component coating with a high adhesion and a very smooth surface

Q:Can ductile iron pipe be used for chemical processing plant applications?: Yes, ductile iron pipe can be used for chemical processing plant applications. It is durable, corrosion-resistant, and has high tensile strength, making it suitable for transporting various chemicals and fluids in such environments. Additionally, its flexibility and ease of installation make it a practical choice for piping systems in chemical processing plants.

Q:Are ductile iron pipes suitable for bridge piers or abutments?: Yes, ductile iron pipes are suitable for bridge piers or abutments. Ductile iron is a strong and durable material that is widely used in various infrastructure projects, including bridges. It has excellent mechanical properties, including high tensile strength and impact resistance, making it capable of withstanding heavy loads and external forces. Additionally, ductile iron pipes are highly resistant to corrosion and have a long service life, which is crucial for structures like bridge piers or abutments that are exposed to harsh environmental conditions. The versatility and reliability of ductile iron pipes make them a suitable choice for supporting and reinforcing bridge structures, ensuring their safety and longevity.

Q:What is the expected external protection system for ductile iron pipes?: Typically, a combination of coatings and cathodic protection is used to provide external protection for ductile iron pipes. These coatings, such as fusion-bonded epoxy (FBE) or polyethylene, are applied to the pipe's outer surface to create a barrier against corrosion and shield it from the surrounding environment. They have high resistance against moisture, chemicals, and abrasion, ensuring the longevity of the pipe. Furthermore, cathodic protection is often employed along with coatings to enhance the external protection of ductile iron pipes. This involves using sacrificial anodes or impressed current systems to generate a protective electrical current that counteracts the corrosive effects on the pipe's surface. By maintaining the ductile iron in a cathodic state, where it is less prone to degradation, this technique helps prevent corrosion. The combination of coatings and cathodic protection offers a robust and comprehensive external protection system for ductile iron pipes. These measures effectively safeguard the pipes from corrosion, resulting in extended service life and reduced need for expensive repairs or replacements. Regular inspection and maintenance are also crucial to ensure the ongoing effectiveness of the external protection system and to promptly address any potential issues.

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 water treatment plants?: Indeed, water treatment plants are capable of utilizing ductile iron pipes. The preference for ductile iron pipes in water treatment plants stems from their exceptional qualities of endurance, robustness, and immunity to corrosion. These pipes can effectively manage water systems under immense pressure and endure the ravages of time, thereby facilitating the transportation of substantial volumes of treated water. Moreover, the extended lifespan of ductile iron pipes minimizes the necessity for frequent replacements and upkeep, rendering them an economical selection for water treatment plants.

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