DUCTILE IRON PIPE DN250 K8/C/K9 System 1

DUCTILE IRON PIPE DN250 K8/C/K9 System 2

DUCTILE IRON PIPE DN250 K8/C/K9

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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, K9

2) Effective length: 6m

3) Inner cement line: Portland cement line as per ISO4179

4) Zinc coating: at least 130g/m² as per ISO8179

5) Bitumen painting: at least 70um as per ISO8179

6) With 100% quantity of NBR ring, or SBR ring, or EPDM ring as per ISO4633

7) DN80mm-800mm

8) High strength, lighter than grey iron, good corrosion resistance, no furring, small flow resistance, easy fixing, long life tome about 100 yeas

9) Produced by Hangzhou chunfeng machine

10) Checked by automatic inspection equipment

11) 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

12) 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

13) T type mechanical joint

14) Packing: in bulk or container

Our main material are all carbon steel and alloy steel ,such as :aisi1020 1035 1045 1055 s20c s35c s45c s55c ss400 a36 c20 c35 c45 ck45 aisi4140/scm440 aisi4340/40crnimoa aisi8620H,40cr,gcr15,sae52100,20Mn,40Mn,St52,St37,S235JR,etc

Q:How do ductile iron pipes handle traffic vibrations?: Ductile iron pipes possess exceptional strength and durability, making them highly effective in managing traffic vibrations. Their inherent properties enable them to withstand fractures or cracks caused by external forces, such as vibrations induced by traffic. The pipes' remarkable tensile strength and elasticity allow them to absorb and dissipate the energy produced by traffic vibrations. This capability minimizes the impact on the pipes and prevents significant damage or failure. Moreover, the material's ductility enables it to deform slightly under stress without breaking, further enhancing its ability to endure vibrations. Additionally, ductile iron pipes exhibit superior resistance to corrosion and other forms of deterioration. This resistance guarantees the pipes' structural integrity over an extended period, even when subjected to repetitive vibrations caused by heavy traffic. In conclusion, ductile iron pipes are well-suited to handle traffic vibrations due to their robust nature, capacity to absorb energy, and resistance to corrosion. These characteristics establish them as a dependable choice for underground infrastructure in areas with high traffic volumes, ensuring a pipeline system that is durable and efficient in the long run.

Q:Are ductile iron pipes resistant to external loads?: Yes, ductile iron pipes are generally resistant to external loads. Ductile iron is a type of cast iron that has been treated with additives such as magnesium and cerium to make it more flexible and durable. This increased flexibility allows the pipes to withstand high levels of external pressure and stress without cracking or breaking. Ductile iron pipes are commonly used in applications where they are exposed to heavy loads, such as underground water distribution systems, sewer lines, and industrial pipelines. These pipes have been proven to have excellent resistance to external loads, making them a reliable choice for various infrastructure projects.

Q:Can ductile iron pipes be used for submarine pipelines?: Yes, ductile iron pipes can be used for submarine pipelines. Ductile iron is known for its high strength and durability, making it suitable for various applications, including underwater installations. Ductile iron pipes have been successfully used in the construction of submarine pipelines for several decades. They can withstand the harsh conditions of underwater environments, such as corrosion, pressure, and shifting seabed. Additionally, ductile iron pipes have excellent resistance to external loading, making them ideal for submarine pipelines that need to withstand the weight of water and potential impacts. However, it is important to consider factors such as coating, cathodic protection, and proper installation techniques to ensure the long-term performance and integrity of the submarine pipeline.

Q:Can ductile iron pipes be used for underground fuel storage systems?: Yes, ductile iron pipes can be used for underground fuel storage systems. Ductile iron is a type of cast iron that possesses superior strength, durability, and flexibility compared to traditional cast iron pipes. These properties make ductile iron pipes suitable for various applications, including underground fuel storage systems. Ductile iron pipes are resistant to corrosion, which is essential for underground storage systems that may come into contact with various fuels and chemicals. Additionally, their high tensile strength and resilience allow them to withstand external pressure and loading, ensuring the integrity and safety of the underground storage system. Furthermore, ductile iron pipes have a long lifespan, typically lasting for several decades, making them a cost-effective choice for underground fuel storage systems. They can handle the weight of the stored fuel and any potential ground movements, maintaining the structural integrity of the system over time. However, it is important to note that the suitability of ductile iron pipes for underground fuel storage systems may also depend on other factors, such as local regulations, soil conditions, and the specific fuel being stored. It is always recommended to consult with professionals and adhere to applicable guidelines when designing and installing such systems to ensure compliance and safety.

Q:Are there any limitations to the length of ductile iron pipe sections?: Limitations exist regarding the length of ductile iron pipe sections. Typically, these limitations stem from practical concerns such as transportation, installation, and handling. Longer pipe sections can present difficulties when it comes to transportation and maneuverability, particularly in areas with limited access or challenging terrain. Moreover, longer pipe sections may be more susceptible to damage during installation since proper alignment and joining can be more challenging. Manufacturing capabilities also impose limitations. Ductile iron pipes are typically produced in standard lengths, which can vary depending on the manufacturer and the specific application. These standard lengths are designed to strike a balance between transportation, installation, and overall pipe performance. In addition, longer pipe sections may pose challenges related to temperature variations and subsequent expansion and contraction. Ductile iron pipes are prone to thermal expansion and contraction, and longer sections may experience greater stress and strain as a result. Therefore, while there is no definitive maximum length for ductile iron pipe sections, practical considerations and manufacturing capabilities dictate the use of standard lengths that consider various factors such as transportation, installation, and performance.

Q:Can ductile iron pipe be used for oil and gas pipelines?: Ductile iron pipe is indeed capable of being utilized for oil and gas pipelines. Renowned for its robustness, durability, and ability to resist corrosion, ductile iron pipe is well-suited for various applications, including the transportation of oil and gas. This pipe has been widely employed in the industry for many years and has consistently proven to be a dependable option for pipeline systems. Furthermore, ductile iron pipe is capable of withstanding high pressure and heavy loads, thus meeting the demands of oil and gas pipelines. However, it is crucial to ensure that the specific grade and specifications of the ductile iron pipe align with the requirements of the particular oil and gas project to guarantee optimal performance and longevity.

Q:What are the different methods for repairing ductile iron pipe?: There are several methods for repairing ductile iron pipe, including mechanical repair, epoxy repair, and welding. Mechanical repair involves using clamps or couplings to seal leaks or cracks in the pipe. Epoxy repair involves applying an epoxy coating or sealant to the damaged area to prevent further corrosion or leaks. Welding is another method used for repairing ductile iron pipe, where the damaged section is cut out and replaced with a new piece that is welded into place.

Q:What is the expected joint restraint method for ductile iron pipes?: The expected joint restraint method for ductile iron pipes is typically mechanical joint restraints, such as gland and follower glands or wedge-action restraints, which provide a secure and reliable connection while allowing for expansion and contraction of the pipes.

Q:Can ductile iron pipes be used for irrigation pivot systems?: Indeed, irrigation pivot systems can utilize ductile iron pipes. Renowned for their robustness, longevity, and resistance to corrosion, ductile iron pipes are apt for numerous purposes, including irrigation. These pipes have the capability to withstand substantial water pressure, guaranteeing a dependable and enduring means of transporting water to irrigation pivot systems. Moreover, ductile iron pipes harmonize seamlessly with a variety of fittings and connectors commonly employed in irrigation systems, thereby facilitating effortless installation and upkeep. All in all, employing ductile iron pipes in irrigation pivot systems emerges as a pragmatic decision that ensures efficacious water distribution while minimizing the likelihood of pipe failure.

Q:What is the typical weight of ductile iron pipes?: The typical weight of ductile iron pipes can vary depending on their size and thickness. However, as a general guideline, ductile iron pipes commonly range in weight from around 1 pound per foot for smaller diameter pipes to several hundred pounds per foot for larger diameter pipes. The weight of ductile iron pipes is determined by factors such as the pipe's dimensions, the thickness of its walls, and the specific requirements of the intended application. It is important to note that these weights are approximate and can vary based on the specific manufacturer and product specifications.

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