ductile iron pipe of China Hardness:230

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

Quick Details

Place of Origin:China (Mainland)
Model Number:DN80-1600
Length:6M/5.7M/NEGOTIATED
Standard:ISO2531 / EN545
Application:Potable/Sewage Water
Diameter:DN80-1600
Shape:Round
Hardness:230
Pipe Wall Thickness:standerd
Pull Strength:420
Yield (≥ MPa):300
Material:Ductile Iron
water ductile iron pipe:SO2531 / EN545 DI pipe

Packaging & Delivery

Delivery Detail:	30-45 days

Specifications

ductile iron pipe:
1. DN80-DN1600mm (T-Type, Class K9)
2.effective length 6m/pc
3.comply with ISO2531/EN545/EN598

Company Profile

CNBM International Corporation is the leading production base and renowned supplier of Ductile Iron Water Pipe systems of both potable and waste water in China. We are constantly looking to develop high quality products to ensure the longest service life and wonderful performance.

CNBM Pipelines regard quality as the essential factor leading to successful business. Every ductile iron pipe is tested in accordance with BS EN545 (water application) or BS EN598 (sewer application). CNBM Pipelines products comply with and are tested according to the relevant European and International Standards. Our pipes are manufactured under the quality management system BS EN ISO 9001. After years of efforts, CNBM Pipelines has built up great reputation in terms of quality and service among customers worldwide.

Product Introduction

CNBM ductile 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: ductile iron pipes shall have an internal cement mortar lining in acc with ISO4179.

External coating: ductile iron 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: ductile iron 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 resistant to soil movement?: Indeed, soil movement poses no threat to ductile iron pipes. These pipes boast an impressive tensile strength, enabling them to withstand external forces like soil movement. Specifically engineered for flexibility, they possess the ability to absorb and distribute stresses stemming from ground settlement or other soil movements. Moreover, their robust construction allows them to resist the compressive forces exerted by the surrounding soil. Consequently, ductile iron pipes represent a dependable and enduring option for underground pipelines, ensuring long-term stability and safeguarding against soil movement.

Q:What are the typical joint restraint requirements for ductile iron pipes under pressure?: The typical joint restraint requirements for ductile iron pipes under pressure involve the use of mechanical joint restraints or restrained joint systems. These restraints are necessary to prevent the pipes from separating or pulling apart due to the internal pressure exerted on them. One common type of joint restraint is the mechanical joint restraint, which consists of a series of bolts and clamps that securely hold the pipes together. These restraints are typically applied at each joint of the ductile iron pipes to ensure a tight and secure connection. Mechanical joint restraints provide axial restraint, preventing the pipes from separating in the direction of the pipe axis. Another type of joint restraint used for ductile iron pipes is the restrained joint system. This system involves the use of a specially designed joint that provides both axial and angular restraint. The restrained joint system typically consists of a gasket, a restraining gland, and a series of bolts or wedges. The gasket provides a watertight seal, while the restraining gland and bolts/wedges restrain the pipe joints, preventing separation under pressure. The specific joint restraint requirements for ductile iron pipes under pressure may vary depending on the diameter, wall thickness, and operating conditions of the pipes. It is important to consult the manufacturer's guidelines and industry standards to determine the appropriate joint restraint system for a given application. Additionally, proper installation and maintenance of the joint restraints are crucial to ensure their effectiveness and longevity in restraining the pipes.

Q:Can ductile iron pipes be used in areas with high temperature variations?: Yes, ductile iron pipes can be used in areas with high temperature variations. Ductile iron has a high resistance to thermal expansion and contraction, making it suitable for withstanding temperature fluctuations without compromising its structural integrity or performance.

Q:What is the internal lining used in ductile iron pipes?: The internal lining used in ductile iron pipes is typically a cement mortar lining.

Q:What is the expected corrosion rate of ductile iron pipes?: The expected corrosion rate of ductile iron pipes can vary depending on several factors, including the specific environment in which the pipes are installed, the pH and composition of the water or soil they come into contact with, and the presence of any corrosive substances or chemicals. In general, ductile iron pipes are known for their excellent resistance to corrosion compared to other materials such as cast iron or steel. This is due to the presence of a protective layer called a passive film, which forms naturally on the surface of the pipes when exposed to oxygen in the environment. This passive film acts as a barrier, preventing further corrosion from occurring. However, it is important to note that even ductile iron pipes can experience some level of corrosion over time, especially in aggressive or highly corrosive environments. The expected corrosion rate can range from very low to moderate, depending on the aforementioned factors. To ensure the longevity and performance of ductile iron pipes, it is recommended to implement proper maintenance and monitoring practices. This includes regular inspections, cleaning, and the application of protective coatings or linings when necessary. Additionally, implementing a cathodic protection system can further enhance the corrosion resistance of the pipes. Ultimately, it is important to consult with experts and professionals in the field of corrosion and pipe materials to accurately determine the expected corrosion rate of ductile iron pipes in a specific application or environment.

Q:Can ductile iron pipe be used for trenchless installation methods?: Yes, ductile iron pipe can be used for trenchless installation methods. Trenchless installation methods, such as horizontal directional drilling (HDD) or pipe bursting, are techniques used to install underground utilities with minimal excavation and disruption to the surrounding environment. Ductile iron pipe is well-suited for these methods due to its inherent strength, durability, and flexibility. It can withstand the forces and stress associated with trenchless installation, including the pulling forces during HDD or the bursting forces during pipe bursting. Additionally, ductile iron pipe's corrosion resistance makes it suitable for applications where the pipe is installed underground without the need for protective coatings. Therefore, ductile iron pipe is a reliable choice for trenchless installation methods.

Q:How are ductile iron pipes protected against external corrosion?: Ductile iron pipes are protected against external corrosion through a combination of manufacturing processes and external coatings. The first line of defense is the inherent corrosion resistance of ductile iron itself. The iron is treated with a special alloying element, typically magnesium, which forms a protective layer on the surface of the pipe. This layer acts as a barrier against corrosion and helps to extend the lifespan of the pipe. In addition to the corrosion-resistant properties of the iron, ductile iron pipes are also externally coated with protective materials. One common method is to apply a layer of asphaltic or bituminous coating to the pipe's surface. This coating acts as a barrier against moisture and corrosive substances in the soil, preventing them from coming into contact with the iron. It also provides a layer of insulation, reducing the likelihood of galvanic corrosion. Another method of external corrosion protection is the use of fusion-bonded epoxy (FBE) coatings. FBE is a thermosetting resin that is applied to the surface of the pipe and then heat-cured to form a strong and durable coating. This coating provides excellent resistance against corrosion, abrasion, and impact, making it a popular choice for ductile iron pipes in harsh environments. In some cases, additional protective measures such as cathodic protection systems may be employed. These systems use electric currents to counteract the corrosion process by supplying electrons to the pipe's surface. This helps to prevent corrosion from occurring, especially in areas where the coating may have been damaged or compromised. Regular maintenance and inspection are also crucial in ensuring the long-term protection of ductile iron pipes against external corrosion. This includes periodic cleaning, repair of any coating damages, and monitoring the integrity of the protective layers. Overall, the combination of the inherent corrosion resistance of ductile iron, external coatings, and maintenance practices ensures that ductile iron pipes are well-protected against external corrosion, allowing them to have a longer lifespan and deliver reliable performance in various applications.

Q:Can ductile iron pipes be used for water supply in buildings?: Yes, ductile iron pipes can be used for water supply in buildings. Ductile iron pipes are known for their strength, durability, and corrosion resistance, making them suitable for carrying water in both residential and commercial structures. They have a long lifespan, high pressure rating, and can withstand various environmental conditions, making them a reliable choice for water distribution systems.

Q:Usage of ductile iron pipe expander: Ductile iron expansion is mainly provided with large flexible, easy installation, the product main material for nodular cast iron, nodular cast iron is mainly through spheroidization and inoculation by spherical graphite, effectively improve the mechanical properties of cast iron, especially the plasticity and toughness increased, resulting in higher than the strength of carbon steel. The material mainly has high strength of plasticity and toughness, and its development at home and abroad is very fast, the output has exceeded cast steel and malleable cast iron, become second only to gray cast iron casting alloy material. Spheroidal graphite is obtained by spheroidizing and inoculation of nodular cast iron. It can effectively improve the mechanical properties of cast iron, especially improve the plasticity and toughness, so as to obtain higher strength than carbon steel.

Q:How does the white iron appear in the case of ductile iron?: Casting cooling, surface and thin section at often produce white. White tissue hard and brittle, poor processing performance, easy peeling. So it is necessary to use the annealing (or normalizing) method to eliminate white tissue. The annealing process: heating to 2 DEG C 550950 ~ 5 h, then 500 to 550 DEG C Furnace cooling again followed by air cooling. During high temperature insulation, high travel cementite eutectic cementite decomposition of graphite and A in the subsequent two carburizing cooling process and eutectoid cementite decomposition, graphitization process. Due to the decomposition of cementite, resulting in the decrease in hardness, thereby improving machinability.Hope to help you.

1. Manufacturer Overview
Location
Year Established
Annual Output Value
Main Markets
Company Certifications

2. Manufacturer Certificates
a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability
a)Trade Capacity
Nearest Port
Export Percentage
No.of Employees in Trade Department
Language Spoken:
b)Factory Information
Factory Size:
No. of Production Lines
Contract Manufacturing
Product Price Range