T Type Ductile Iron Pipe DN100 c class SOCKET SPIGOT PIPE

T Type Ductile Iron Pipe DN100 c class 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:What does "K8" mean in ductile iron pipe grades?: K9 is GB, K10 is specially customized, K8... Strictly speaking, it is not up to standard, standard length, wall thickness and so on.. Many workshops, grades of factory products, such as K9, standard length 6.15M, K8 is 6M, wall thickness from the beginning of DN100, are thin on the point.

Q:The role of chromium in nodular cast iron: Chromium has better strengthening and toughening effect in nodular cast iron. Chromium containing cast iron has the characteristics of high strength, high elongation, high impact value and low hardness.

Q:What are the different sizes of ductile iron pipes available?: Ductile iron pipes are available in a variety of sizes to cater to different applications and requirements. The sizes of ductile iron pipes typically range from 3 inches to 64 inches in diameter. These different sizes allow for flexibility and adaptability in various industries such as water supply, sewage systems, irrigation, and industrial piping. The smaller diameter ductile iron pipes, such as those in the range of 3 to 12 inches, are commonly used for residential and small-scale applications like household plumbing, fire hydrant systems, and small irrigation projects. These sizes are often found in urban areas and residential neighborhoods. For more extensive applications, larger diameter ductile iron pipes are utilized. They can range from 14 inches up to 64 inches in diameter. These larger pipes are predominantly used in municipal water supply systems, wastewater treatment plants, and industrial facilities where high-volume water flow is required. The availability of a wide range of sizes in ductile iron pipes ensures that they can accommodate various flow rates and pressure requirements. It allows engineers, contractors, and designers to select the appropriate size based on the specific needs of a particular project or application. It is essential to consult industry standards, local regulations, and engineering guidelines to determine the suitable size of ductile iron pipes for any specific project. This ensures that the pipes are capable of meeting the required performance standards and are suitable for the intended use.

Q:How does ductile iron pipe perform in areas with high seismic activity?: Ductile iron pipe possesses exceptional strength and durability, making it an ideal choice for areas with high seismic activity. Seismic events, such as earthquakes, can exert significant stress and strain on pipelines, leading to rupture or failure. However, ductile iron pipe's unique material properties enable it to withstand these dynamic forces. One of the main advantages of ductile iron pipe in seismic regions is its remarkable flexibility. Unlike rigid materials like cast iron or steel, ductile iron exhibits a higher degree of elasticity. This allows it to deform and absorb energy during seismic events, dissipating the seismic forces and reducing the risk of pipe failure. Consequently, damage to the overall pipeline system is minimized. Furthermore, ductile iron pipe is manufactured with a high level of ductility, meaning it can undergo substantial deformation without fracturing. This characteristic is particularly crucial in seismic zones as it enables the pipe to endure ground movements and seismic waves without compromising its structural integrity. Additionally, the ability of ductile iron to absorb and redistribute stress helps prevent localized failures, ensuring the pipeline system's overall stability and reliability. Additionally, ductile iron pipe possesses excellent corrosion resistance, which is especially vital in high seismic areas where ground movement and subsequent water leaks can compromise the pipe's integrity. The corrosion resistance of ductile iron ensures the longevity and reliability of the pipeline system, minimizing the risk of leaks or failures during seismic events. In conclusion, ductile iron pipe performs exceptionally well in areas with high seismic activity due to its superior flexibility, high ductility, and corrosion resistance. These properties allow the pipe to withstand the dynamic forces generated during seismic events, providing a reliable and long-lasting solution for fluid transportation and ensuring the safety of communities in earthquake-prone regions.

Q:How are leaks repaired in ductile iron pipe?: Leaks in ductile iron pipe are typically repaired by cleaning and preparing the area around the leak, applying a suitable sealant or epoxy, and then securely fastening a repair clamp over the affected area. This clamp provides a tight seal and prevents any further leakage.

Q:Can ductile iron pipe be used in corrosive environments?: Yes, ductile iron pipe can be used in corrosive environments. Ductile iron is known for its excellent corrosion resistance due to its protective oxide layer, making it suitable for various corrosive applications such as wastewater, chemical plants, and underground installations.

Q:Are ductile iron pipes resistant to acid mine drainage corrosion?: Yes, ductile iron pipes are generally resistant to acid mine drainage (AMD) corrosion. Ductile iron is a highly durable material that has been widely used in various industries, including mining and water distribution, due to its excellent corrosion resistance properties. Acid mine drainage is a significant environmental problem that occurs when water comes into contact with sulfide minerals in mining areas, resulting in the formation of sulfuric acid. This acid can corrode and deteriorate various materials, including pipes, leading to infrastructure damage and water contamination. Ductile iron pipes have a protective layer formed by a cementitious lining, typically made of cement mortar or an epoxy coating. This lining acts as a barrier between the corrosive AMD and the pipe material, preventing direct contact and reducing the likelihood of corrosion. Furthermore, ductile iron pipes have a high resistance to both internal and external corrosion, making them well-suited for environments where acid mine drainage may be present. They have proven to be highly reliable and long-lasting even in harsh conditions, ensuring the continued integrity of the water distribution system and minimizing the potential for leaks or failures. However, it is important to note that the resistance of ductile iron pipes to acid mine drainage corrosion can also depend on several other factors, such as the specific composition and concentration of the AMD, the duration of exposure, and the temperature. Therefore, it is recommended to consult with experts and conduct proper material testing and analysis to ensure the suitability of ductile iron pipes in specific AMD environments.

Q:What are the different coatings available for ductile iron pipe?: Ductile iron pipes offer a range of coating options, each with their own advantages and protective qualities for different uses. Some commonly utilized coatings are as follows: 1. Cement Mortar Lining: By applying a layer of cement mortar to the pipe's interior surface, this coating provides excellent resistance against corrosion and abrasion. It is ideal for transporting water and sewage. 2. Bituminous Coating: Consisting of asphalt or coal tar pitch applied to the pipe surface, bituminous coatings offer effective protection against corrosion. They are commonly used for underground pipes in water and wastewater systems. 3. Fusion-Bonded Epoxy (FBE) Coating: FBE coatings are created by electrostatically applying an epoxy powder layer to the pipe surface, which is then cured at high temperatures. This coating offers exceptional corrosion resistance and is suitable for harsh environments and corrosive substances. 4. Polyurethane Coating: Polyurethane coatings provide excellent resistance against abrasion, impact, and corrosion. They are often used for pipes exposed to abrasive materials or requiring additional protection against external damage. 5. Zinc Coating: Also known as galvanized coatings, zinc coatings involve applying a layer of zinc to the pipe's surface. This coating offers excellent corrosion protection, making it suitable for pipes exposed to moisture and aggressive environments. 6. Polyethylene Encasement: Polyethylene encasement involves wrapping the pipe with a layer of polyethylene film or tape. This coating acts as a physical barrier against corrosion and is commonly used in conjunction with other coatings for added protection. To determine the most appropriate coating for ductile iron pipes, it is crucial to consider the specific requirements of the application, such as the type of fluid being transported and the environmental conditions.

Q:How does ductile iron pipe perform in areas with high soil movement?: Ductile iron pipe possesses notable attributes of strength, durability, and flexibility, rendering it an optimal selection for locales with substantial soil movement. Differing from alternative piping materials, like PVC or concrete, ductile iron pipe demonstrates the capability to endure significant ground shifts without undergoing catastrophic failure. The inherent robustness of ductile iron pipe empowers it to withstand the external forces imposed by soil movement, encompassing settlement, lateral displacement, and ground heave. Its elevated tensile strength and capacity to endure bending stresses render it less prone to developing cracks, fractures, or leaks, thereby ensuring the pipeline system's integrity. Moreover, ductile iron pipe exhibits remarkable deflection capabilities, imparting the capacity to flex and accommodate ground movement without succumbing to breakage. This flexural aptitude enables the pipe to disseminate the stress engendered by soil movement along its length, thereby diminishing the concentration of forces at any specific juncture. In regions characterized by pronounced soil movement, ductile iron pipe also reaps the advantages of its corrosion resistance properties. Typically coated with a protective layer, such as cement-mortar lining or polyethylene encasement, the pipe serves as a barrier against corrosive elements found in the soil. This protective coating effectively mitigates damage and deterioration, ensuring the pipe's endurance and performance, even in demanding soil conditions. All in all, ductile iron pipe is highly recommended for locales with substantial soil movement due to its exceptional strength, flexibility, and corrosion resistance. Its ability to withstand ground shifts and distribute stress establishes it as a dependable choice for long-term performance, necessitating minimal maintenance.

Q:Method for joining cast iron pipes: Cast iron pipe, cast cast pipe. Cast iron pipes are used for water supply, drainage and gas transmission lines. They include cast iron pipes and pipe fittings. Labor intensity is small. According to the casting method, it is divided into continuous cast iron pipe and centrifugal cast iron pipe, in which the centrifugal cast iron pipe is divided into sand mould and metal type two kinds. Divided into gray cast iron pipe and nodular cast iron pipe according to different material. According to the interface form, it is divided into flexible interface, flange interface, self anchored interface, rigid interface and so on. Among them, the flexible iron pipes rubber sealing ring; flange interface cast iron pipe flange fixed in the rubber pad, the flange gasket sealing; rigid interface cast iron pipe socket is large, straight pipe is inserted, sealed with cement, this technology has been basically eliminated

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