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 pipe be used for oil and gas transmission pipelines?: Yes, ductile iron pipe can be used for oil and gas transmission pipelines. Ductile iron pipe has many advantageous properties that make it suitable for such applications. It has a high tensile strength, which allows it to withstand the high pressures and stresses involved in oil and gas transmission. Additionally, ductile iron pipe has excellent corrosion resistance, making it highly resistant to the corrosive nature of oil and gas. This resistance is further enhanced by the use of protective coatings on the pipe's exterior. Ductile iron pipe is also known for its durability and longevity, ensuring the reliability and longevity of oil and gas transmission pipelines. Overall, the properties of ductile iron pipe make it a reliable and cost-effective option for use in oil and gas transmission pipelines.

Q:How do ductile iron pipes perform in high-traffic areas?: Due to their inherent strength and durability, ductile iron pipes exhibit exceptional performance in high-traffic areas. The composition of these pipes includes graphite nodules, which impart them with their characteristic ductility. This ductility enables the pipes to flex and endure heavy loads and vibrations caused by traffic without experiencing any cracks or breaks. In areas with high traffic, where the ground is constantly in motion and subjected to heavy vehicle loads, ductile iron pipes demonstrate superior resistance to stress and impact. Their capacity to absorb and distribute the pressure from traffic ensures that these pipes maintain their structural integrity over time. This aspect is particularly significant since any damage or failure in a pipe system can lead to expensive repairs and disruptions in the water supply. Moreover, ductile iron pipes possess a high level of resistance to corrosion, making them suitable for installation in high-traffic areas exposed to diverse environmental conditions. Typically, these pipes are lined with a protective layer, such as cement mortar or epoxy, which provides an additional barrier against external factors. This resistance to corrosion guarantees the longevity of the pipes and reduces the need for frequent maintenance or replacement. Furthermore, ductile iron pipes exhibit excellent flow characteristics, enabling efficient water distribution even in areas with high traffic demands. The smooth interior surface of these pipes minimizes friction and pressure losses, ensuring a consistent and reliable water supply to meet the needs of the surrounding population. In conclusion, ductile iron pipes are a reliable and robust choice for high-traffic areas. Their strength, durability, resistance to corrosion, and efficient flow characteristics make them well-suited to withstand the demands and challenges posed by heavy traffic. They guarantee the continuous supply of water without compromising the structural integrity of the pipe system.

Q:Are ductile iron pipes suitable for acidic or alkaline environments?: Yes, ductile iron pipes are suitable for both acidic and alkaline environments. They have excellent resistance to corrosion, making them a reliable choice for transporting fluids in a wide range of pH levels.

Q:Are ductile iron pipes resistant to freeze-thaw cycles?: Ductile iron pipes exhibit resistance against freeze-thaw cycles. Ductile iron, a variant of cast iron, is fortified with magnesium, which enhances its strength, durability, and ability to resist cracking. These improved material properties enable ductile iron pipes to withstand the expansion and contraction that occur during freeze-thaw cycles. Unlike PVC or concrete, which may fracture or shatter due to the pressure exerted by freezing water, ductile iron pipes remain intact without suffering substantial damage. Moreover, the smooth interior surface of ductile iron pipes prevents the accumulation of ice or frost, thereby augmenting their resistance to freeze-thaw cycles. In conclusion, ductile iron pipes are an optimal choice for water distribution systems in cold climates, as they provide exceptional resistance against the adverse effects of freezing and thawing.

Q:Do rigid cement cast iron pipes need cement piers?: Ductile iron pipes mainly called centrifugal ductile iron pipe, it has the properties of nature, iron and steel, excellent corrosion resistance, good ductility, good sealing effect, simple installation, mainly for municipal, industrial and mining enterprises, water supply, gas, oil etc.. Water supply pipe is the first choice, with high cost performance. Compared with the PE pipe, from the installation time, ductile pipe PE pipe installation is simple and rapid, and after the installation of internal and external pressure bearing better tightness and corrosion resistance; from the point of view, ductile pipe sealing better after installation, but also can improve the corrosion resistance of corrosion protection through a variety of means; from the hydraulic performance, because ductile pipe specifications generally refers to the inner diameter of PE pipe diameter specifications generally refers to the same specifications, because under the condition of ductile pipe can achieve greater runoff; from the installation and maintenance cost, ductile pipe have more favorable price. The main components of ductile iron pipes are carbon, silicon, manganese, sulfur, phosphorus and magnesium. The inner wall of zinc spray, anti-corrosion materials such as cement mortar.

Q:Can ductile iron pipes be used for hydropower projects?: Yes, ductile iron pipes can be used for hydropower projects. Ductile iron pipes are known for their durability, strength, and resistance to corrosion, which makes them suitable for various applications, including hydropower projects. They can handle high-pressure water flow, making them ideal for conveying water to turbines or other power generation equipment. Additionally, ductile iron pipes have a long lifespan, which reduces maintenance and replacement costs over time. Therefore, using ductile iron pipes in hydropower projects can contribute to the overall efficiency and reliability of the system.

Q:Advantages and disadvantages of ductile iron pipes?: Ductile iron pipes are widely used for municipal water supply and drainage, rural drinking water and outdoor fire fighting works; mechanisms; cast iron pipes; main use; municipal high water drainage.

Q:How can the ductile iron pipe be welded?: If the hole on the ductile iron pipe, you can use special hoop lined flexible rubber ring, rubber ring and pipe wall coating with rubber ring, glue to be fixed.

Q:Are ductile iron pipes suitable for installation in areas with high groundwater table?: Yes, ductile iron pipes are suitable for installation in areas with high groundwater table. Ductile iron pipes have excellent corrosion resistance and are highly durable, making them resistant to the corrosive effects of groundwater. Additionally, their strong and flexible nature allows them to withstand external pressure caused by high groundwater levels without compromising their structural integrity.

Q:Can ductile iron pipe be used for marine and offshore applications?: Ductile iron pipe is suitable for marine and offshore applications due to its high strength and durability. It is well-known for its ability to withstand demanding environments and is particularly resistant to corrosion, including the corrosive effects of saltwater and harsh marine conditions. Moreover, its ductility allows for flexibility and resistance to cracking or fracturing under high-pressure conditions. These exceptional properties make ductile iron pipe a dependable choice for transporting fluids and gases in marine and offshore industries, such as offshore oil and gas platforms, marine structures, and underwater pipelines. To further enhance the corrosion resistance of ductile iron pipes in marine and offshore applications, it is essential to utilize proper coating and cathodic protection systems.

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