Ductile Iron Pipes ISO2531 EN598 Standard DN80 to DN2600 K9 C40 C30 C25
Brand TOPSUN
Product origin China
Delivery time 30 days
Supply capacity 10,000 tons per year
Our ductile iron pipes are manufactured in strict compliance with ISO 2531 and EN 598 standards, with diameters ranging from DN80 to DN2600. Designed for superior performance, they are available in pressure classes K9, C40, C30, and C25 to meet diverse project demands. These robust pipes are the preferred solution for critical applications including municipal water supply, sewer systems, and industrial fluid transport, ensuring long-term reliability and leak-proof operation.
Backed by advanced centrifugal casting technology and automated production lines, we possess strong manufacturing capabilities with an annual output exceeding 10,000 tons. Our consistent product quality is proven through successful cooperation with major urban water authorities and inclusion in international infrastructure projects across multiple continents, building a reputation for trustworthiness and performance.
Model Number | ductile iron pipe |
Length | 5.7m,6m |
Standard | ISO2531/EN545/EN598 |
Application | pipeline |
Shape | Round |
Hardness | 230HB |
Pipe Wall Thickness | K7/K8/K9/K12 |
Pull Strength | >420MPa |
Yield (≥ MPa) | 300 MPa |
Material | Ductile Iron |
Type | Casting |
Processing Service | Welding, Bending, Punching, Decoiling, Cutting |
Certification | ISO2531:1998 |
Test | 100% Water Pressure Test |
Transport | Bulk Vessel |
Delivery | In Container |
Inner lining | Ordinary Cement |
1. High Strength and Durability
Ductile iron pipes have a high tensile strength and impact resistance, making them much stronger and more durable than traditional cast iron pipes. They can withstand heavy external loads and internal pressures.
2. Excellent Ductility and Toughness
Unlike brittle cast iron, ductile iron has significant ductility (ability to deform without breaking). This allows the pipes to bend under stress, absorb shock loads, and resist damage from ground movement or water hammer.
3. Superior Corrosion Resistance
They possess excellent corrosion resistance, often further enhanced by protective linings (like cement mortar) and external coatings. This ensures a long service life, often exceeding 100 years.
4. Long Service Life and Reliability
Due to their strength, durability, and corrosion resistance, ductile iron pipes offer an extremely long and reliable service life with minimal maintenance, making them a cost-effective long-term solution.
5. Good Hydraulic Characteristics
The smooth internal lining (e.g., cement mortar) reduces friction, maintains a high flow capacity over time, and minimizes pumping costs. It also resists scale buildup.
6. Strong Joint Integrity
They feature a variety of flexible joint systems (such as push-on TYTON or mechanical joints) that are easy to assemble, provide a tight seal, and allow for some deflection and ground movement without leaking.
7. Ease of Installation and Handling
While strong, ductile iron pipes are lighter than cast iron and are available in long laying lengths. This reduces the number of joints and makes handling and installation faster and more economical.
8. High Resistance to Damage
They are highly resistant to damage during handling, backfilling, and from penetrating stresses like rock impingement, reducing the risk of failure during and after installation.
9. Environmentally Friendly and Recyclable
Ductile iron pipes are made from recycled materials and are themselves 100% recyclable. Their long life and minimal leakage also contribute to water conservation.
Ductile iron pipe (DIP) is a premier choice for municipal and industrial water systems worldwide, prized for its strength, durability, and longevity. Its primary application is in potable water distribution networks, where its robust nature ensures the safe and reliable transport of drinking water from treatment plants to homes and businesses. The pipe's high tensile strength allows it to withstand significant internal pressures and heavy external loads from soil and traffic, making it ideal for installation under roads and in dense urban areas.
Furthermore, ductile iron is extensively used for sewer and wastewater force mains. Its resistance to damage and superior joint integrity prevent leaks, protecting the environment. The cement-mortar lining commonly applied to DIP provides a smooth, durable barrier that minimizes corrosion and maintains water quality over decades of service. Its ductility allows it to withstand ground movements, such as minor settlements or seismic activity, without fracturing.
Beyond these core uses, ductile iron pipe is also specified for industrial process water, fire protection systems, and pipeline rehabilitation. Its ease of installation, long service life—often exceeding 100 years—and minimal maintenance requirements make it a cost-effective and sustainable solution for critical infrastructure projects, ensuring community health and safety for generations.
Ductile iron pipe exemplifies superior engineering for modern water and wastewater transmission. Its key characteristic is its exceptional strength and durability, derived from its unique metallurgical structure. The iron matrix contains spheroidal graphite nodules, which effectively inhibit crack propagation, granting the material high impact and fatigue resistance compared to traditional brittle cast iron.
A critical detail is its robust corrosion protection. Pipes are typically lined with a smooth, cement mortar coating. This lining prevents water quality degradation, minimizes scaling, and ensures a high flow coefficient (C-value) over the pipe's lifespan. Externally, a stringent polyethylene sleeving or a zinc/aluminum epoxy coating is applied, forming a resilient barrier against aggressive soil conditions.
Furthermore, the pipe's design incorporates a push-fit joint system using elastomeric gaskets. This joint provides a flexible, yet permanent, leak-proof seal, allowing for slight angular deflection during installation to navigate terrain variations. The combination of mechanical strength, advanced corrosion management, and reliable jointing makes ductile iron pipe a versatile and long-lasting solution for critical infrastructure projects.
CUSTOMERS & MARKET
Q: What's your qualification in this product ?
A: We have been engaged in this industry for decades with seasoned export team. All the product is strictly conformed to the international standard ISO2531:1998,EN545-2002 and other related standard.
Q: How long is your delivery time ?
A: Generally it is 5-10 days if the goods are in stock. or it is 20-30 days if the goods are not in stock, it is according to quantity.
Q: What's your terms of payment ?
A: 30% T/T in advance , balance before shipment or against L/C . And D/P , D/A ,L/C for free options.
Q: What's your trade terms ?
A: FOB , CIF , CFR as per client's requirements.
If you have any other questions , please feel free to contact us.
