DUCTILE IRON PIPE K7 DN 450 SOCKET SPIGOT PIPE

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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: How does ductile iron pipe perform in high-pressure gas applications?: Ductile iron pipe is an excellent choice for high-pressure gas applications due to its unique characteristics and properties. Firstly, ductile iron pipe is known for its high tensile strength, which allows it to withstand the high pressure exerted by gas flowing through the pipeline. This strength ensures that the pipe can safely contain the gas without any leakage or rupture. Moreover, ductile iron pipe has a high resistance to corrosion, making it suitable for gas applications where the pipeline may come into contact with moisture, chemicals, or other corrosive substances. This resistance to corrosion ensures the longevity of the pipe and minimizes the risk of any damages or failures that could be caused by corrosion. Another advantage of ductile iron pipe in high-pressure gas applications is its ability to handle thermal expansion and contraction. When gas is transported at high pressures, there can be significant temperature variations, leading to expansion and contraction of the pipeline. Ductile iron pipe's flexibility allows it to accommodate these changes without causing any structural issues or compromising its performance. Furthermore, ductile iron pipe has a smooth interior surface, which reduces friction losses and pressure drops, allowing for efficient gas flow. This smoothness also minimizes the chances of gas impurities or debris getting trapped, which could potentially cause blockages or flow disruptions. In summary, ductile iron pipe is a reliable and durable choice for high-pressure gas applications. Its high tensile strength, corrosion resistance, ability to handle thermal expansion, and smooth interior surface all contribute to its excellent performance in such demanding conditions.

Q: Does the cast iron pipe for spheroidal graphite need corrosion protection when laying underground?: Ductile iron pipe is a kind of cast iron pipe.

Q: What are the common pressure ratings for ductile iron pipes?: The common pressure ratings for ductile iron pipes typically range from 150 psi (pounds per square inch) to 350 psi.

Q: Can ductile iron pipe be used for water treatment plant applications?: Yes, ductile iron pipe can be used for water treatment plant applications. Ductile iron pipe is known for its durability, strength, and corrosion resistance, making it suitable for transporting and distributing treated water within a water treatment plant.

Q: Are ductile iron pipes suitable for use in irrigation sprinkler systems?: Yes, ductile iron pipes are suitable for use in irrigation sprinkler systems. Ductile iron pipes are known for their strength, durability, and corrosion resistance, making them an ideal choice for transporting water in irrigation systems. They can withstand high pressure and provide long-term reliability, ensuring efficient water distribution for irrigation purposes.

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 we handle the leaking of the ductile iron pipe?: If it is installed in the pipeline, test pressure leakage, glue can be repaired and then welded, usually with hoop.

Q: If the ductile iron pipe is broken, can we use rush repair?: These specifications are also based on the outer diameter of the tube. In daily life, we may also encounter a pipeline rupture, or when it is on the road to repair, excavator accidentally hit PE, PPR water supply and drainage pipeline, as long as a little, can be used to repair the pipeline repair section.

Q: How is ductile iron pipe different from other types of pipes?: Ductile iron pipe differs from other pipe types in several ways. To begin with, its exceptional strength and durability are well-known. It is composed of a unique combination of iron, carbon, and other alloying elements, giving it superior mechanical properties compared to other pipes. Consequently, ductile iron pipe is highly resistant to external forces and pressure, making it ideal for underground installations, water mains, and sewer systems. Moreover, ductile iron pipe exhibits excellent corrosion resistance. Typically, it is lined with cement mortar or an internal coating, which acts as a protective barrier against corrosion and lengthens the pipe's lifespan. This makes ductile iron pipe particularly suitable for transporting water and other fluids, as it prevents contamination and maintains the material's quality. Additionally, ductile iron pipe offers a high level of flexibility. Unlike more rigid pipe materials such as cast iron, ductile iron pipe can withstand moderate deflection and ground movement without fracturing or breaking. This flexibility reduces the risk of failure and decreases the need for expensive repairs or replacements. Finally, ductile iron pipe is relatively easy to install and maintain. Usually, it is available in long lengths, minimizing the number of joints required. Furthermore, its mechanical properties and corrosion resistance make it less prone to damage during installation or operation, resulting in lower maintenance costs over time. In conclusion, ductile iron pipe stands apart from other pipes due to its exceptional strength, corrosion resistance, flexibility, and ease of installation. These characteristics make it a reliable and cost-effective choice for various applications, particularly in the water and wastewater industry.