DUCTILE IRON PIPE DN1000 K8/C/K9 System 1

DUCTILE IRON PIPE DN1000 K8/C/K9

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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Specification:

1) The standard of pipe: ISO2531:1998, K9

2) Effective length: 6m

3) Inner cement line: Portland cement line as per ISO4179

4) Zinc coating: at least 130g/m² as per ISO8179

5) Bitumen painting: at least 70um as per ISO8179

6) With 100% quantity of NBR ring, or SBR ring, or EPDM ring as per ISO4633

7) DN80mm-800mm

8) High strength, lighter than grey iron, good corrosion resistance, no furring, small flow resistance, easy fixing, long life tome about 100 yeas

9) Produced by Hangzhou chunfeng machine

10) Checked by automatic inspection equipment

11) 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

12) 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

13) T type mechanical joint

14) Packing: in bulk or container

Q: Can ductile iron pipe be used for directional drilling?: Yes, ductile iron pipe can be used for directional drilling. It is a strong and durable material that can withstand the stresses and forces encountered during directional drilling operations. Its flexibility and resistance to damage make it a suitable choice for this application.

Q: What is the cost of ductile iron pipes compared to other pipe materials?: The cost of ductile iron pipes can vary depending on various factors such as size, length, and supplier. However, in general, ductile iron pipes tend to be more expensive compared to other pipe materials such as PVC (polyvinyl chloride) or steel. This is mainly due to the manufacturing process and the inherent qualities of ductile iron that make it a durable and reliable choice for various applications. Ductile iron pipes are known for their high tensile strength, resistance to corrosion, and durability, making them suitable for carrying potable water, wastewater, and other fluids under high pressure. The production process of ductile iron involves adding magnesium to cast iron, which results in improved strength and flexibility. This additional process, along with the quality of the material, contributes to the higher cost. On the other hand, pipes made from materials like PVC or steel can be less expensive. PVC pipes are lightweight, easy to install, and relatively inexpensive, making them a popular choice for low-pressure applications such as irrigation or drainage systems. Steel pipes, known for their strength and durability, are often used in high-pressure applications but come at a higher cost than PVC. Ultimately, the cost of ductile iron pipes may be higher initially, but their longer lifespan and reliability can offset the investment over time. Additionally, factors such as the specific project requirements, local regulations, and availability of materials can also influence the overall cost comparison between ductile iron pipes and other pipe materials.

Q: How does ductile iron pipe perform in areas with high soil stability?: Ductile iron pipe excels in areas characterized by high soil stability, as it possesses inherent strength and durability. This enables the pipe to withstand the soil's pressure without experiencing significant deformation or failure. The exceptional performance of ductile iron pipe is further bolstered by the minimal ground movements, settling, or shifting that is ensured by the stable soil conditions. In regions with high soil stability, the pipe is less susceptible to external forces or stresses that could potentially inflict damage. Ductile iron pipe exhibits remarkable resistance to corrosion, abrasion, and impact, rendering it highly suitable for such circumstances. The material's robustness allows it to endure the weight and pressure exerted by the soil, thereby guaranteeing the pipe's structural integrity over time. Furthermore, the flexibility and joint design of ductile iron pipe contribute to its performance in areas with high soil stability. The pipe's capacity to accommodate slight movements and minor ground shifts without compromising its integrity is advantageous in these stable soil conditions. The restrained joint system utilized in ductile iron pipe installations provides added support and stability, thereby minimizing the risk of pipe dislocation or failure. All in all, ductile iron pipe is a dependable and efficient choice for areas characterized by high soil stability. Its strength, durability, and resistance to external forces equip it to handle the demands of such environments. Additionally, the pipe's flexibility and joint design enable it to adapt to minor soil movements, thereby further enhancing its performance in these conditions.

Q: Are ductile iron pipes suitable for use in saltwater environments?: Ductile iron pipes are generally not considered suitable for use in saltwater environments due to their susceptibility to corrosion. Saltwater is highly corrosive and can accelerate the degradation of ductile iron pipes. While ductile iron pipes offer good strength and durability, they have a higher likelihood of corroding in saltwater compared to other materials like stainless steel or corrosion-resistant alloys. Therefore, it is recommended to use materials specifically designed for saltwater environments to ensure long-term functionality and avoid costly repairs or replacements.

Q: Are there any special considerations for installing ductile iron pipe in rocky soils?: Yes, there are special considerations for installing ductile iron pipe in rocky soils. The presence of rocks can pose challenges during the installation process as they can cause damage to the pipe or impede its proper alignment. Therefore, it is important to carefully assess the soil conditions and rock content at the installation site. Additional measures such as proper bedding and backfilling techniques, using protective coatings or linings, and employing specialized equipment may be necessary to ensure the durability and longevity of the ductile iron pipe in rocky soils.

Q: How to distinguish flexible and rigid interfaces between cast iron pipe joints: Flexible connection is divided into A type, B type, W type, A, B type for flange connection, by flange, bolt and rubber ring to achieve sealed connection, W type is clamp connection, clamp what looks like, ha ha not say more

Q: How are ductile iron pipes protected during transportation and storage?: Ductile iron pipes are protected during transportation and storage through various methods to ensure their integrity and prevent any potential damage. Firstly, these pipes are typically coated with a protective layer, such as epoxy or zinc, which acts as a barrier against corrosion. This coating helps to safeguard the pipes from moisture and other corrosive elements during transit and storage. Additionally, ductile iron pipes are often bundled together and secured with straps or bands to prevent any movement or shifting that could lead to mechanical damage. This bundling also makes it easier to handle and transport the pipes in a more organized manner. During transportation, the pipes are usually loaded onto pallets or placed in crates to provide added protection and stability. This helps to minimize the risk of any accidental impact or rough handling that could potentially cause cracks or fractures. Furthermore, proper labeling and marking of the pipes is essential to ensure that they are handled appropriately. This includes displaying handling instructions, weight limits, and pipe specifications, which helps prevent mishandling and damage during transportation. Moreover, storage conditions are crucial to maintaining the integrity of ductile iron pipes. They should be stored in a clean, dry, and well-ventilated area to prevent exposure to moisture and humidity. Pipes should be kept away from direct sunlight and extreme temperatures to avoid any potential degradation of the protective coating. In conclusion, protecting ductile iron pipes during transportation and storage involves applying protective coatings, bundling and securing them, utilizing appropriate packaging materials, ensuring proper handling and labeling, and storing them in suitable conditions. These measures aim to maintain the quality and structural integrity of the pipes, ensuring they arrive at their destination in optimal condition.

Q: What is the expected external protection system for ductile iron pipes?: The expected external protection system for ductile iron pipes typically includes a combination of coatings and cathodic protection. Coatings, such as fusion-bonded epoxy (FBE) or polyethylene, are applied to the external surface of the pipe to provide a barrier against corrosion and protect it from the surrounding environment. These coatings are highly resistant to moisture, chemicals, and abrasion, ensuring the longevity of the pipe. In addition to coatings, cathodic protection is often employed to further enhance the external protection of ductile iron pipes. Cathodic protection involves the use of sacrificial anodes or impressed current systems to create a protective electrical current that counteracts the corrosive effects on the pipe's surface. This technique helps prevent corrosion by ensuring that the ductile iron remains in a cathodic state, where it is less prone to degradation. The combination of coatings and cathodic protection provides a robust and comprehensive external protection system for ductile iron pipes. These measures effectively safeguard the pipes from corrosion, extending their service life and minimizing the need for costly repairs or replacements. Regular inspection and maintenance are also essential to ensure the ongoing effectiveness of the external protection system and to address any potential issues promptly.

Q: Ductile iron pipe joint leakage: The main reason for the leakage is that the installation is not in place, resulting in the loss of the apron. Sealed with cement or pipe head Hough section. Recommend the use of Hough section fast and convenient, and there is no menace from the rear.

Q: What is the expected joint performance of ductile iron pipes?: The expected joint performance of ductile iron pipes is typically high due to their robustness and durability. The joints are designed to provide a tight and secure connection, ensuring minimal leakage and long-term reliability.

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