Line pipes

Line pipes are a crucial element in industrial pipe line systems, designed specifically for the transportation of water, oil, and gas. These pipes form the backbone of infrastructure that supports energy distribution, making them essential for industries such as oil and gas, as well as utilities like water supply systems. Line pipe manufacturers produce a variety of pipe line pipes to meet different industrial needs, ensuring that these systems run efficiently and safely.
 

Types of Line Pipes

Line pipes come in two primary forms — seamless and welded — each tailored to specific applications and environments.
 

Seamless Line Pipes

Seamless line pipes are manufactured without welding, offering superior strength and resistance to pressure. These pipes are ideal for high-pressure environments, such as oil and gas pipelines, where the integrity of the pipe line pipe must withstand extreme conditions. Seamless line pipes are particularly effective in critical applications due to their enhanced durability and ability to handle corrosive substances over long periods. Many steel line pipe manufacturers offer seamless options to meet the stringent demands of energy and industrial sectors.
 

Welded (ERW) Line Pipes

Welded, or Electric Resistance Welded (ERW), line pipes are made by welding steel plates or coils. These pipes are typically used in environments with lower pressure demands, such as water pipelines or lower-pressure gas systems. Although more economical than seamless pipes, welded line pipes maintain high standards of performance and safety in industrial pipe lines. They are commonly used in various utility and distribution networks, and line pipe suppliers offer a range of welded options to match different requirements.
 

Industry Standards and Applications

Line pipes, whether seamless or welded, are manufactured in compliance with several international standards to ensure safety, quality, and performance. Some of the most widely recognized standards include:
  • API 5L: Used for constructing core line pipes for oil and gas transmission.
  • EN 10208: A European standard governing line piping for fluid transportation, particularly gas and liquids.
  • GOST: A Russian standard frequently used for line pipes in oil and gas applications in Eastern Europe and Central Asia.
Interpipe seamless line pipes:
Standard Min. diameter, mm (inch) Max. diameter, mm (inch) Min. wall thickness, mm (inch) Max. wall thickness, mm (inch)
API 5L/ ISO 3183 33,4 (1,315) 323,8 (12,750) 3,38 (0,133) 23,83 (0,938)
EN 10208-1, 2 33,7 323,9 3,6 22,2


Interpipe ERW  line pipes:
Standard Min. diameter, mm (inch) Max. diameter, mm (inch) Min. wall thickness, mm (inch) Max. wall thickness, mm (inch)
API 5L/ ISO 3183 219,1 (8,625) 508 (20,000) 4,78 (0,188) 10,31 (0,406)
EN 10208-1, 2 219,1 508 4,5 10
 

Applications of Line Pipes in Industrial Infrastructure

These standards help ensure that line pipes are suitable for a variety of industrial applications, guaranteeing reliability, safety, and efficiency in critical infrastructure projects.

One of the most common applications is in water pipelines, where industrial pipe lines are used to safely transport clean water over long distances. In urban areas, these pipelines ensure a stable and continuous supply of water to millions of people, supporting residential, commercial, and industrial needs. In rural areas, line piping is crucial for irrigation and providing potable water to smaller communities. Whether it's a small local distribution network or a large-scale water supply system, the quality and reliability of line pipes play a pivotal role in maintaining public health and environmental safety.

In the oil industry, line pipes are essential for moving crude oil from extraction sites, such as oil fields, to refineries for processing. This process requires core line pipes that are not only durable but also capable of withstanding extreme pressures and corrosive environments often encountered in oil pipelines. The pipelines transport vast quantities of oil across continents, connecting remote drilling sites with major processing hubs. The integrity of these pipe line pipes is critical, as even minor faults could lead to environmental hazards or significant economic losses. High-quality line pipes ensure the safe and efficient flow of crude oil, minimizing the risk of leaks or failures.

Similarly, in the natural gas industry, line pipes are used for the safe and efficient transportation of gas from production fields to end users. These pipelines need to handle fluctuating pressures, temperature variations, and long distances, all while ensuring that the natural gas reaches its destination without contamination or leakage. Gas pipelines are vital for delivering energy to residential homes, powering commercial buildings, and supporting industrial manufacturing processes. The use of carefully designed pipe line pipes ensures that natural gas is delivered seamlessly to cities, power plants, and industries, playing a key role in energy distribution systems around the world.

In all of these cases, the role of line pipes extends beyond simple transportation. They are engineered to meet rigorous performance standards and operate in some of the most demanding environments, whether deep underground, across deserts, or under the sea. The ability of line pipe manufacturers to produce pipes that meet international standards, guarantees that these pipelines are fit for purpose, ensuring long-term operational efficiency and safety across all sectors.
 

Key Advantages of Line Pipes from Interpipe

When selecting line pipes, it’s crucial to consider not just the type and standard but also the manufacturer. Interpipe offers numerous advantages for customers looking for reliable line pipe manufacturers:
  • Custom Solutions: Tailoring pipe dimensions, materials, and coatings to meet specific project needs, whether for high-pressure environments or specialized industrial uses.
  • Quality Control: Stringent adherence to international standards ensures that the line pipes are built for durability and long-term performance, offering peace of mind to clients.
  • Global Reach: As an experienced line pipe supplier, Interpipe has a well-established presence in international markets, providing products to clients around the globe.
  • Comprehensive Product Range: Offering both seamless and welded line-pipes, Interpipe ensures flexibility for a wide range of applications, from high-pressure oil and gas pipelines to on line pipe systems for water distribution.


Interpipe’s dedication to quality and innovation ensures that customers receive high-performance line pipes, capable of meeting the most demanding conditions in modern infrastructure projects. Whether you require core line pipes for energy transmission or custom line piping solutions, Interpipe is equipped to meet the needs of global industries.