DUCTILE IRON PIPE K8 DN150 SOCKET SPIGOT

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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: What is the typical pressure rating of ductile iron pipes?: The pressure rating of ductile iron pipes varies depending on the application and size, typically designed to endure high pressure levels. In water and wastewater systems, for instance, ductile iron pipes generally have a pressure rating of 250 psi or higher. In industrial applications like oil and gas pipelines, larger pipes can have a pressure rating ranging from 350 psi to 500 psi or more. To determine the precise pressure rating for a specific ductile iron pipe, it is crucial to consult the manufacturer's specifications and industry standards.

Q: What quota can be used for the installation of DN300 ductile iron pipes?: Ductile 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. Nodular cast iron has developed rapidly to be second only to grey cast iron and widely used as cast iron material. The so-called "iron instead of steel", mainly refers to ductile iron.

Q: Does the cast iron pipe for spheroidal graphite need corrosion protection when laying underground?: Ductile cast iron pipe after annealing, the microstructure is ferrite and pearlite, good mechanical properties, excellent corrosion resistance, good ductility, good sealing effect, simple installation, mainly for municipal, industrial and mining enterprises, water supply, gas, oil etc..

Q: Are ductile iron pipes suitable for use in irrigation pivot systems?: Yes, ductile iron pipes are suitable for use in irrigation pivot systems. They are known for their durability, strength, and resistance to corrosion, making them a reliable choice for transporting water in agricultural applications. Additionally, ductile iron pipes have a high tolerance for pressure and can withstand the stresses caused by irrigation pivot systems.

Q: Can ductile iron pipe be used for potable water systems?: Yes, ductile iron pipe can be used for potable water systems. Ductile iron is a strong and durable material that is resistant to corrosion and can withstand high pressure and flow rates. It has been widely used in potable water systems for many years due to its reliability and longevity. However, it is important to ensure that the pipe is properly coated or lined to prevent any leaching of iron into the water.

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: Luo what effect of ductile cast iron: Chromium is an anti graphitization element, which hinders the graphitization process of cast iron, increases the content of cementite (Fe3C) in the internal structure of cast iron, and stabilizes pearlite at the same time. It affects the mechanical and processing properties of nodular cast iron.

Q: How many meters does the cast iron water supply pipe dn150,1 tons?: When pouring added calcium alloy in the flow inlet for graft inoculation, every time after the pouring, need in the mold surface with compressed air spraying a thin layer of dry calcium silicate powder, a centrifuge is composed of upper and lower halves of the closed shell, the supporting cast roller is installed on the bottom of the shell, the mold in front of a ring gear mounted on the housing at the end of the DC motor through the transmission gear direct mold, shell mold through Hugh ends are equipped with sealing ring, the front end of the shell shell installed with half ring a turning cylinder pictophonetic mountain Rae centrifuge under the wheels, so as to make reciprocating motion on the inclined orbit

Q: How do ductile iron pipes handle differential settlement?: Ductile iron pipes possess exceptional durability and are renowned for their ability to endure diverse environmental conditions, including differential settlement. Differential settlement refers to the uneven settling of the ground, which can often impose stress and strain on underground pipes. Specifically engineered to address settlement issues, ductile iron pipes exhibit inherent flexibility and strength. These pipes possess the capacity to flex and accommodate slight ground movements without incurring significant damage or failure. The flexibility of ductile iron pipes enables them to evenly distribute the stress and strain caused by differential settlement along their length. This characteristic assists in averting concentrated stress points that could potentially result in cracks or fractures in the pipe. Furthermore, the inherent strength of ductile iron pipes equips them with the necessary resistance to withstand the forces generated by differential settlement. The pipes' robust construction and high tensile strength render them less susceptible to deformation or damage caused by ground movements. Moreover, ductile iron pipes are commonly installed with flexible joints, such as rubber gaskets or push-on joints. These joints permit some movement and adapt to any slight misalignment or settlement that may occur. By providing flexibility at the joints, the pipes can better adjust to changes in ground conditions and diminish the risk of failure. In conclusion, ductile iron pipes possess the necessary attributes to effectively cope with differential settlement due to their flexibility, strength, and utilization of flexible joints. These features guarantee that the pipes can endure ground movements and continue to function efficiently without compromising their integrity or longevity.

Q: Can ductile iron pipe be used for water distribution systems in cold climates?: Yes, ductile iron pipe can be used for water distribution systems in cold climates. Ductile iron pipe is known for its strength and durability, making it suitable for various applications, including water distribution systems. It has excellent resistance to external loads, such as freezing temperatures, frost heaving, and ground movement, which are common in cold climates. Additionally, ductile iron pipe has a high tolerance for temperature fluctuations, making it reliable for water transportation even in extreme cold conditions. Its corrosion resistance properties also ensure the longevity and reliability of the pipe, even in harsh environments. Therefore, ductile iron pipe is a suitable choice for water distribution systems in cold climates.

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