EN545 Ductile Iron Pipe DN300

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 20 m.t.

Supply Capability:: -

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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, bundle, paint ,cap,container ,etc.according to customers' requirement.

1) Pipesare bundled together with the steel belt.

2) Wooden pieces are put between the pipes.

Q: How do ductile iron pipes handle ground settlement?: Due to their inherent flexibility and resistance to deformation, ductile iron pipes are highly effective in managing ground settlement. The exceptional qualities of ductile iron, such as its high tensile strength and elongation capacity, make it an ideal material for enduring ground movement. When ground settlement occurs, characterized by the downward shifting of soil or sediment, ductile iron pipes possess the capability to flex and adapt to the changing ground without fracturing. The pipes can absorb the stress caused by settlement and evenly distribute it along their length, minimizing the likelihood of cracks or breaks. Moreover, ductile iron pipes are constructed with a bell and spigot joint system, which permits slight movement and rotation at the joints. This characteristic allows the pipes to accommodate ground settlement by absorbing any misalignment or shifting of the surrounding soil. Furthermore, ductile iron pipes exhibit a greater load-bearing capacity than alternative materials like PVC or HDPE. This implies that they can endure heavier loads and pressures from the surrounding soil, reducing the possibility of pipe failure or collapse during ground settlement. In conclusion, ductile iron pipes are excellently equipped to handle ground settlement due to their flexibility, resistance to deformation, and ability to evenly distribute stress. Their unique properties ensure their ability to withstand the challenges presented by shifting ground conditions, making them a dependable choice for underground infrastructure projects.

Q: How do ductile iron pipes handle thermal expansion and contraction?: Ductile iron pipes are specifically designed to handle thermal expansion and contraction effectively. Due to their unique composition and structure, which includes graphite nodules in the iron matrix, these pipes have the ability to accommodate temperature variations without significant damage or distortion. The graphite nodules act as flexible joints, allowing the pipe to expand and contract without cracking or breaking. This characteristic makes ductile iron pipes highly resistant to the stresses caused by thermal fluctuations, ensuring their long-term durability in various temperature environments.

Q: How do ductile iron pipes perform in seismic zones?: Due to their unique characteristics and design features, ductile iron pipes have demonstrated exceptional performance in seismic zones. These pipes possess the ability to withstand ground movements, vibrations, and other seismic forces that may arise during an earthquake. The flexibility inherent in ductile iron pipes enables them to absorb and distribute the energy generated by seismic activities. This flexibility prevents the pipes from fracturing or breaking when subjected to intense ground shaking. Moreover, the high strength and resilience of ductile iron make it highly resistant to damage caused by ground movements. Furthermore, ductile iron pipes are designed with joints that are restrained, providing increased stability and resistance against seismic forces. These joints can accommodate small lateral movements without compromising the integrity of the pipeline system. Additionally, the restrained joints prevent the pipes from becoming disconnected or misaligned during seismic events, guaranteeing the uninterrupted flow of water or other fluids. In seismic zones where the ground is more susceptible to liquefaction or soil settlement, ductile iron pipes are often installed using methods that enhance their stability. For example, deep embedment techniques or the inclusion of thrust blocks at bends and fittings increase the pipes' resistance to lateral forces exerted by the ground. Regular inspection and maintenance further enhance the performance of ductile iron pipes in seismic zones. Periodic assessments can identify any potential weaknesses or damages that may have occurred during seismic events, enabling prompt repairs or replacements. Overall, ductile iron pipes have a well-established track record of reliable performance in seismic zones. Their flexibility, strength, and design characteristics make them highly resilient against seismic forces, ensuring the safe and uninterrupted supply of water or other fluids, even in earthquake-prone areas.

Q: Are ductile iron pipes suitable for use in wastewater pumping stations?: Yes, ductile iron pipes are suitable for use in wastewater pumping stations. Ductile iron is a strong and durable material that can withstand the harsh conditions and corrosive nature of wastewater. It has excellent resistance to corrosion and can handle high-pressure environments, making it an ideal choice for transporting wastewater in pumping stations. Additionally, ductile iron pipes have a long lifespan and require minimal maintenance, reducing the overall cost of operation and ensuring reliable and efficient wastewater transportation.

Q: Nodular cast iron, heat treatment process and so on: The chill is estimated to be too low in carbon equivalent, poorly bred or cooled too quickly!

Q: Are ductile iron pipes suitable for use in residential plumbing?: Yes, ductile iron pipes are suitable for use in residential plumbing. They are known for their durability, strength, and resistance to corrosion, making them a reliable choice for plumbing systems.

Q: What is the expected deflection capability of ductile iron pipes?: The expected deflection capability of ductile iron pipes is typically around 2-5% of the pipe diameter, allowing them to withstand moderate levels of ground movement or settlement without experiencing significant structural damage.

Q: What material is ductile cast iron 235A?: Nodular cast iron by spheroidization and inoculation by spherical graphite, effectively improve the mechanical properties of cast iron, especially the plasticity and toughness increased, resulting in higher than carbon steel. The strength of nodular cast iron is a kind of high strength cast iron material developed in 50s twentieth Century, its comprehensive performance is close to the steel. It is based on its excellent performance, has been successfully used in casting complex stress, strength, toughness and wear resistance requirements of the higher parts. Ductile iron has been the rapid development of cast iron material for application of gray cast iron, only very widely. The so-called "iron steel", mainly refers to the ductile iron.

Q: How do ductile iron pipes perform in high-pressure applications?: Ductile iron pipes are known for their exceptional strength and durability, making them highly suitable for high-pressure applications. These pipes are designed to withstand immense internal and external pressures, making them well-suited for underground or above-ground installations where high-pressure conditions are expected. One of the key advantages of ductile iron pipes in high-pressure applications is their ability to resist cracking or bursting. The inherent ductility of the material allows it to absorb and distribute the pressure evenly, minimizing the risk of failure under high-pressure conditions. This makes ductile iron pipes a reliable choice for water supply systems, oil and gas pipelines, and other applications where the pipe is subjected to significant pressure. Additionally, ductile iron pipes have excellent corrosion resistance properties, which further enhances their performance in high-pressure environments. The pipes are typically coated with a protective layer, such as cement mortar or epoxy, which acts as a barrier against corrosion. This protective coating prevents the formation of rust or scale inside the pipe, ensuring a smooth flow and maintaining the structural integrity even under high-pressure conditions. Furthermore, ductile iron pipes have a high tolerance for external loads, such as soil pressure, traffic loads, or other external forces. This strength enables them to withstand the additional stress that may be present in high-pressure applications, ensuring the long-term reliability and performance of the pipe system. Overall, ductile iron pipes offer exceptional performance in high-pressure applications. Their strength, durability, corrosion resistance, and ability to withstand external loads make them a reliable choice for various industries and infrastructure projects where high-pressure conditions are a concern.

Q: Are ductile iron pipes suitable for use in brewery facilities?: 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.

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