DUCTILE IRON PIPE K9 DN 1000 SOCKET SPIGOT PIPES

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 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: Can ductile iron pipes be used for underground fire hydrant systems?: Indeed, underground fire hydrant systems can utilize ductile iron pipes. Renowned for their robustness and endurance, ductile iron pipes are well-suited for subterranean usage. They exhibit remarkable resistance against corrosion and possess the ability to endure significant pressures, both of which are indispensable prerequisites for fire hydrant systems. Moreover, ductile iron pipes boast an extended lifespan, diminishing the necessity for frequent replacements and upkeep, thereby rendering them a financially prudent option for fire hydrant systems.

Q: What is the acceptance of cast iron pipe material?: 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.

Q: How do ductile iron pipes handle thermal expansion and contraction?: Ductile iron pipes are known for their excellent ability to handle thermal expansion and contraction. This is mainly due to their unique composition and design which allows them to withstand changes in temperature without experiencing significant damage or deformation. Thermal expansion occurs when a material expands due to an increase in temperature, while thermal contraction refers to the contraction that occurs when a material cools down. Ductile iron pipes can effectively accommodate these changes in temperature by utilizing their inherent flexibility and strength. One of the key factors that enable ductile iron pipes to handle thermal expansion and contraction is their high ductility, which refers to their ability to deform without breaking. This ductility allows the pipes to absorb the expansion and contraction forces without cracking or rupturing. Moreover, the composition of ductile iron pipes includes graphite nodules, which act as microcracks that can absorb stress and prevent the material from fracturing. This unique microstructure enhances the pipes' resistance to thermal expansion and contraction. In addition, ductile iron pipes are often designed with joints that allow for limited movement. These joints, such as mechanical joints or push-on joints, can accommodate the expansion and contraction of the pipes by providing a certain degree of flexibility. This helps to prevent the pipes from becoming overstressed or damaged. Overall, ductile iron pipes are specifically engineered to handle thermal expansion and contraction effectively. Their high ductility, unique microstructure, and joint design make them a durable and reliable choice for applications where temperature variations are expected.

Q: Can ductile iron pipes be used for pressure reducing stations?: Yes, ductile iron pipes can be used for pressure reducing stations. Ductile iron pipes have high strength and durability, making them suitable for handling high-pressure systems. Additionally, their corrosion resistance properties make them a reliable choice for long-term use in pressure reducing stations.

Q: Can ductile iron pipe be used for underground storage tank systems?: Certainly, underground storage tank systems can utilize ductile iron pipe. Renowned for its robustness and potency, ductile iron pipe proves itself adaptable for diverse purposes, including underground storage tanks. Its exceptional tensile strength and immunity to corrosion render it a superb selection for confining and conveying liquids or gases in subterranean settings. Furthermore, ductile iron pipe exhibits remarkable resistance to external pressures and endures substantial burdens, establishing it as a dependable choice for underground storage tank systems.

Q: What is the expected abrasion resistance of ductile iron pipes?: Ductile iron pipes possess a high level of abrasion resistance, which is widely acknowledged. These pipes are renowned for their durability and strength, making them suitable for a range of applications, such as the conveyance of water, sewage, and other fluids. The composition of ductile iron pipes, containing significant amounts of carbon and silicon, contributes to their ability to withstand abrasion. The design of ductile iron pipes is specifically tailored to withstand the abrasive forces that can arise during fluid transportation. These pipes feature a smooth internal surface, which reduces friction and minimizes the risk of abrasion. Moreover, the inherent toughness and resistance to wear and tear exhibited by the material make ductile iron pipes less susceptible to damage caused by abrasive particles or debris present in the fluid flow. However, it is crucial to understand that the expected abrasion resistance of ductile iron pipes can vary depending on several factors, including the velocity and nature of the transported fluid, the presence of corrosive substances, and the installation conditions. In certain instances, additional protective measures, like linings or coatings, may be necessary to bolster the pipes' resistance to abrasion. In conclusion, ductile iron pipes are renowned for their exceptional abrasion resistance, but it is always advisable to consider specific application requirements and seek advice from experts to ensure the appropriate selection and installation of the pipes, thereby guaranteeing optimal performance and longevity.

Q: Can ductile iron pipes be used for underground water treatment systems?: Yes, ductile iron pipes can be used for underground water treatment systems. Ductile iron pipes are known for their strength and durability, making them suitable for various applications, including underground water treatment systems. These pipes are resistant to corrosion, making them ideal for transporting water, even in harsh underground environments. Additionally, ductile iron pipes have a high load-bearing capacity, allowing them to withstand the pressure and weight of the soil above. They are also versatile and can be easily installed and maintained, making them a practical choice for underground water treatment systems.

Q: How is ductile iron pipe different from other types of pipes?: Ductile iron pipe is different from other types of pipes in several ways. Firstly, ductile iron pipe is known for its exceptional strength and durability. It is made from a unique composition of iron, carbon, and other alloying elements, which gives it superior mechanical properties compared to other types of pipes. This makes ductile iron pipe highly resistant to external forces and pressure, making it ideal for underground installations, water mains, and sewer systems. Secondly, ductile iron pipe has excellent corrosion resistance. It is typically lined with a cement mortar or an internal coating, which provides a protective barrier against corrosion and extends the pipe's lifespan. This makes ductile iron pipe highly suitable for carrying water and other fluids, as it prevents contamination and maintains the quality of the transported material. Furthermore, ductile iron pipe offers a high degree of flexibility. Unlike more rigid pipe materials like cast iron, ductile iron pipe has the ability to withstand moderate deflection and ground movement without breaking or cracking. This flexibility makes it less prone to failure and reduces the need for costly repairs or replacements. Lastly, ductile iron pipe is relatively easy to install and maintain. It is typically available in long lengths, which minimizes the number of joints required. Additionally, the pipe's mechanical properties and corrosion resistance make it less susceptible to damage during installation or operation, resulting in lower maintenance costs over time. In conclusion, ductile iron pipe stands out from other types of pipes due to its exceptional strength, corrosion resistance, flexibility, and ease of installation. These qualities make it a reliable and cost-effective choice for various applications, especially in the water and wastewater industry.

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