ductile iron pipe

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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 wastewater reuse projects?: Yes, ductile iron pipes can be used for wastewater reuse projects. Ductile iron pipes have several properties that make them suitable for such projects. Firstly, they have high strength and durability, which allows them to withstand the pressure and load requirements of wastewater systems. Additionally, ductile iron pipes have excellent corrosion resistance, which is important in wastewater applications where the presence of chemicals and corrosive substances is common. Furthermore, ductile iron pipes have a smooth internal lining, which reduces friction and improves the flow of wastewater. This is crucial for efficient transportation and distribution of wastewater in reuse projects. Moreover, ductile iron pipes are also known for their ease of installation and maintenance. They can be easily connected using various joint options, allowing for quick and efficient installation. Additionally, ductile iron pipes have a long service life, reducing the need for frequent replacements and minimizing maintenance costs. Overall, the properties of ductile iron pipes make them a suitable choice for wastewater reuse projects, providing strength, durability, corrosion resistance, smooth flow, and ease of installation and maintenance.

Q:What is the weight of ductile iron pipe compared to other pipe materials?: Compared to other pipe materials, ductile iron pipe typically carries more weight. The weight of the pipe may differ depending on its size and thickness, yet in general, ductile iron pipe is more compact and has a greater weight per unit length than materials such as PVC, HDPE, or steel. The main reason for this increased weight is the composition of ductile iron pipe, which consists of iron and carbon, rendering it a robust and resilient choice for a range of piping purposes.

Q:Why is the sound speed of nodular cast iron lowered after heat treatment?: Sound travels faster in a solid than it does in a liquidOr so, after heating, the intermolecular repulsion decreases, so that the same potential energy conduction requires molecules to move more distances, making the transmission slower

Q:How to choose a ductile cast iron pipe with guaranteed quality: Cutting testing: iron filing resistance, filing issued a "Shua" sound, little sticky file, debris was gray with a small amount of white spot, look at the particles of different size, with small particles of fine powder, finger milling, it is easy to make fingers black. Ductile iron filing: when the resistance ratio of gray iron is slightly larger, there are obvious "Shua" sound ", little sticky file, debris was gray with fine bright particles ranging in size but with large particles, with finger milling chips, can be dyed black to gray fingers, but more black the degree of light

Q:Are ductile iron pipes resistant to soil movement?: Yes, ductile iron pipes are generally resistant to soil movement due to their high tensile strength and flexibility. They can withstand ground settlement, soil shifting, and other forms of soil movement without experiencing significant damage or failure.

Q:Ductile iron 600-3 grade, tensile strength, how to test, there is a simple way?: Generally use tensile machine to do, I often operate, or you see the metallographic 3J above perlite 60% above should be no problem

Q:Can ductile iron pipe be used for water distribution systems in cold climates?: In cold climates, ductile iron pipe is an ideal choice for water distribution systems. This type of pipe is renowned for its strength and durability, making it suitable for a range of applications, including water distribution. Its exceptional ability to withstand external forces, such as freezing temperatures, frost heaving, and ground movement, is particularly advantageous in cold climates. Furthermore, ductile iron pipe exhibits a high tolerance for temperature fluctuations, ensuring its reliability for water transportation even in extreme cold conditions. Additionally, its corrosion-resistant properties guarantee the long-lasting and dependable performance of the pipe, even in harsh environments. Therefore, when it comes to water distribution systems in cold climates, ductile iron pipe is the optimal choice.

Q:Are ductile iron pipes more expensive than other pipe materials?: Yes, ductile iron pipes are generally more expensive than other pipe materials such as PVC or HDPE. However, they offer superior strength, durability, and longevity, making them a cost-effective choice in the long run for applications that require high pressure or corrosive resistance. Additionally, ductile iron pipes have a lower life cycle cost due to their reduced maintenance and repair needs.

Q:Can ductile iron pipes be used for offshore oil and gas installations?: Yes, ductile iron pipes can be used for offshore oil and gas installations. Ductile iron is known for its strength, durability, and corrosion resistance, making it suitable for various applications including offshore environments. Additionally, ductile iron pipes are cost-effective and can withstand high pressure and extreme weather conditions, making them a reliable choice for offshore oil and gas installations.

Q:Are ductile iron pipes recyclable?: Yes, ductile iron pipes are recyclable. Ductile iron is a type of cast iron that has superior strength and durability, making it an excellent choice for various applications, including water and sewage systems. When these pipes reach the end of their lifespan, they can be recycled and reused. The recycling process involves melting down the ductile iron pipes and using the molten metal to produce new pipes or other iron-based products. Recycling ductile iron pipes not only helps to conserve natural resources but also reduces the amount of waste that goes into landfills. Therefore, ductile iron pipes are considered a sustainable and environmentally friendly option for piping systems.

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