DUCTILE IRON PIPE DN300 K9

Ref Price:

Loading Port:: China Main Port

Payment Terms:: TT OR LC

Min Order Qty:: -

Supply Capability:: -

Inquire Now

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

You Might Also Like

Mechnical Joint K Type Ductile Iron Pipe

Self-restrained Joint Ductile Iron Pipe

Flange Pipe

Ductile Iron Pipe Mechnical Joint K Type

Ductile Iron Pipe Self Anchor Type

Ductile Iron Pipe DN300

DUCTILE IRON PIPE DN500 K8

Ductile Iron Pipes of China on Chip Price DN400 EN545/EN598/ISO2531

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

Product Introduction

CNBM ductile cast iron pipe ranges from DN80-DN1600mm (Tyton, T-Type, Class K7/K8/K9), effective length: 6m, complying with ISO2531and EN545 standards.

Specification& Payment terms

Internal lining: Pipes shall have an internal cement mortar lining in acc with ISO4179.

External coating: Pipes shall be externally coated with metallic zinc spray plus a further layer of resin painting to ISO8179.

Gasket: 100% SBR/NBR/EPDM rubber gasket in accordance with ISO4633.

Packing: Pipes from DN100 to DN300 be bundled with steel belts, others are in bulk.

Payment term: L/C, T/T.
Packing: In bulk vessel or in container.

Q: Are ductile iron pipes prone to external corrosion?: Ductile iron pipes are generally not prone to external corrosion. This is due to the protective nature of the material itself. Ductile iron pipes are made of a strong and durable material that contains a significant amount of graphite. The graphite acts as a natural barrier against external corrosion, preventing the pipe from being affected by rust or other forms of oxidation. Additionally, ductile iron pipes are often coated with a protective layer, such as cement mortar or polyethylene, to further enhance their resistance to corrosion. These coatings provide an extra layer of protection, preventing any contact between the pipe and corrosive substances in the environment. However, it should be noted that while ductile iron pipes are generally resistant to external corrosion, they may still be susceptible to localized corrosion in certain conditions. Factors such as soil composition, moisture content, and the presence of certain chemicals can potentially lead to the corrosion of ductile iron pipes in specific areas. Therefore, proper maintenance and regular inspections are necessary to identify and address any potential corrosion issues promptly. Overall, ductile iron pipes are considered to be highly resistant to external corrosion, but like any other material, they require proper care and maintenance to ensure their long-term durability and reliability.

Q: Can ductile iron pipes be used for underground steam distribution systems?: Yes, ductile iron pipes can be used for underground steam distribution systems. Ductile iron has excellent strength, durability, and resistance to high temperatures, making it suitable for carrying steam underground. Additionally, its corrosion resistance properties ensure a longer lifespan and reduced maintenance costs.

Q: Can ductile iron pipes be used for underground hydrocarbon pipelines?: Yes, ductile iron pipes can be used for underground hydrocarbon pipelines. Ductile iron is a strong and durable material that is commonly used in various applications including water and sewage systems, gas pipelines, and even hydrocarbon pipelines. Ductile iron pipes have excellent corrosion resistance properties and can withstand high pressures, making them suitable for transporting hydrocarbons underground. However, it is important to consider factors such as the specific composition of the hydrocarbons being transported and the environmental conditions of the pipeline route to ensure proper material selection and corrosion protection measures are implemented.

Q: How can 4 inch ductile iron pipe be connected with 2 inch galvanized pipe?: The general electric welded steel pipe for clarinet.

Q: What is the expected bedding and backfill requirements for ductile iron pipes?: The expected bedding and backfill requirements for ductile iron pipes are vital for ensuring the longevity and proper functioning of the pipe system. Ductile iron pipes are known for their durability and strength, but they still require careful installation to prevent any potential damage or compromised performance. The bedding requirements for ductile iron pipes involve providing a stable and uniform support system to distribute the loads and stresses from the surrounding soil. The pipe should be surrounded by a bedding material that is free from rocks, debris, or any sharp objects that could potentially cause damage. The bedding material should also have sufficient compaction to prevent settlement or shifting that could lead to misalignment or pipe failure. Typically, the bedding material used for ductile iron pipes is a granular material, such as sand or fine aggregate, with a thickness of at least 6 inches. This material should be placed beneath and around the pipe in a uniform manner to provide a continuous support system. Additionally, the bedding material should be compacted to at least 90% of the maximum dry density to ensure proper stability and load distribution. Backfill requirements for ductile iron pipes involve the material used to fill the remaining space around the pipe after the bedding has been installed. The backfill material should also be free from rocks, debris, or sharp objects that could potentially damage the pipe. It should provide support and protection to the pipe while allowing for proper compaction and settling. The backfill material for ductile iron pipes is typically a granular material, such as sand or fine aggregate, with a maximum particle size of 1 inch. The backfill material should be placed and compacted in layers, ensuring that the compaction is done uniformly and evenly around the pipe. The compaction should be sufficient to prevent settlement or shifting of the backfill material, which could lead to pipe damage or misalignment. In summary, the expected bedding and backfill requirements for ductile iron pipes involve using a granular material that is free from rocks, debris, or sharp objects. The material should be placed and compacted in a uniform manner to provide stable support and protection to the pipe. Adhering to these requirements will help ensure the proper functioning and longevity of ductile iron pipe systems.

Q: How are ductile iron pipes connected or jointed together?: Ductile iron pipes are typically connected or jointed together using various methods such as flanged joints, push-on joints, mechanical joints, or restrained joints. These methods ensure a secure and leak-free connection between the pipes, providing a reliable and durable pipeline system.

Q: Are there any special considerations for installing ductile iron pipe in rocky soils?: Installing ductile iron pipe in rocky soils presents various special considerations. First and foremost, the excavation process can be a challenge due to the presence of rocks. Trenching becomes more difficult and time-consuming, requiring specialized equipment to break through the rocks and create a suitable trench for the pipe installation. Furthermore, the rocky soil can cause abrasion and damage to the outer surface of the ductile iron pipe during installation. This poses a potential risk to the integrity of the pipe, leading to leaks or breakages in the future. To mitigate this risk, it is advisable to utilize protective measures such as rock shields or padding around the pipe, minimizing direct contact with the rocks. In addition, the presence of rocks can impact the backfilling process. Proper backfilling is essential to provide support and stability to the installed pipe. However, rocks can hinder the proper compaction of the backfill material, resulting in uneven support and potential movement of the pipe. Therefore, it is crucial to carefully select and place the backfill material, ensuring it is free from larger rocks and adequately compacted to provide sufficient support. Moreover, the rocky soil can also affect the installation of fittings and joints. The hardness of the rocks can make it challenging to align and connect the pipe with fittings or create secure joints. Therefore, extra care must be taken during the installation process to ensure proper alignment and secure connections, preventing leaks and ensuring the long-term functionality of the ductile iron pipe system. In conclusion, installing ductile iron pipe in rocky soils demands special attention to overcome challenges related to excavation, abrasion, backfilling, and fitting installation. By taking these factors into account and implementing appropriate measures, the installation process can be carried out successfully, allowing the pipe system to operate effectively even in rocky soil conditions.

Q: What is the minimum operating temperature for ductile iron pipes?: Ductile iron pipes typically have a minimum operating temperature of -40 degrees Celsius, showcasing its exceptional strength and ductility in cold conditions. This makes it a versatile option for various purposes, such as water and wastewater systems. Nevertheless, it is crucial to acknowledge that the specific minimum operating temperature may differ based on factors such as the grade of ductile iron employed and the requirements of the application. It is highly advisable to refer to the manufacturer's specifications and guidelines for the appropriate utilization and optimal performance of ductile iron pipes in cold temperatures.

Q: What are the different types of thrust restraints for ductile iron pipe?: There are several types of thrust restraints used for ductile iron pipe, including thrust blocks, tie rods, and anchor blocks. Thust blocks are concrete structures placed on either side of a bend or fitting to counteract the forces created by water pressure. Tie rods are steel rods that are anchored to the pipe and secured to an external structure, providing additional support against thrust. Anchor blocks are also made of concrete and are installed at regular intervals along the pipeline to prevent movement and absorb thrust forces.

Q: How are ductile iron pipes protected against external impact or loading?: Ductile iron pipes undergo various methods and measures to safeguard them against external impact or loading, guaranteeing their durability and integrity. Several common approaches are employed to protect ductile iron pipes, including: 1. Adequate Thickness and Strength: Ductile iron pipes are designed with ample wall thickness and high strength to withstand external loads and impacts. This design feature ensures that the pipes can endure heavy loads without deforming or cracking. 2. Implementation of Coatings: Ductile iron pipes are typically coated with protective layers to create an additional barrier against external impact. These coatings may comprise cement mortar lining, polyethylene encasement, or epoxy coatings. They not only grant impact resistance but also safeguard against corrosion. 3. Utilization of Proper Bedding and Backfilling Techniques: Proper techniques for bedding and backfilling are crucial in protecting ductile iron pipes from external loads. The correct placement of pipes within suitable materials, such as compacted granular bedding and backfill, helps distribute external loads evenly and minimizes the risk of pipe damage. 4. Consideration of Trench Design: The design of the trench in which ductile iron pipes are installed plays a vital role in safeguarding them against external impact. The dimensions of the trench, slope stability, and proper compaction of the backfill are all taken into account to reduce the likelihood of damage caused by external loads. 5. Implementation of Effective Pipe Layout and Support: Appropriate pipe layout and support are essential for protecting ductile iron pipes from external impact. Sufficient support mechanisms, including thrust blocks, pipe anchors, and pipe restraints, are utilized to absorb and distribute external loads, preventing any damage to the pipes. 6. Installation of Protective Structures: In areas where the risk of external impact is higher, additional protective structures are installed to safeguard ductile iron pipes. These structures may include concrete encasements, bollards, or reinforced concrete slabs, which act as physical barriers against potential impacts. In conclusion, a combination of factors, including pipe strength, coatings, proper installation techniques, and support measures, work together to ensure the protection of ductile iron pipes against external impact or loading. These measures enhance the longevity and reliability of the pipes, guaranteeing efficient performance in various applications.

Send your message to us

*Email

*TEL

*Quantity

*Unit