Introduction
Piping systems are essential in many industries, including chemical, oil and gas, and water treatment. Lined and clad pipes are two options for constructing piping systems. Although these two types of pipes can fulfill the same purpose, there are significant differences between them. In this article, we will explain the differences between lined and clad pipes.
What is Lined Pipe?
Lined pipe refers to a pipe that has an inner layer made of a different material than the outer layer. The inner layer acts as a barrier between the fluid inside the pipe and the outer layer. The lining material can be made of various materials, including plastics, rubbers, and ceramics. Lined pipes are used in applications where the fluid inside the pipe is corrosive and could damage the pipe material.
What is Clad Pipe?
Clad pipe refers to a pipe that has an outer layer made of a different material than the inner layer. The inner layer is usually made of carbon steel, while the outer layer can be made of more expensive materials such as stainless steel, nickel alloys, or titanium. Clad pipes are used in applications where the fluid inside the pipe is highly corrosive or where high strength or pressure ratings are required.
Differences in Construction
The primary difference between lined and clad pipes is the construction. Lined pipes have an inner lining that is applied to the interior of the pipe. The lining can be bonded to the wall of the pipe, or it can be mechanically attached. On the other hand, clad pipes have an outer layer that is applied to the pipe using a welding process. The inner layer is typically made of carbon steel, and the outer layer can be made of various materials.
Differences in Corrosion Resistance
Lined and clad pipes also differ in their resistance to corrosion. Lined pipes provide excellent protection against corrosion from the fluid inside the pipe. However, the lining material can be vulnerable to damage if the pipe is exposed to other corrosive substances or if defects occur during the manufacturing process. Clad pipes, on the other hand, are highly resistant to corrosion from the outside environment. However, they may not provide the same level of protection against corrosion from the fluid inside the pipe as lined pipes.
Differences in Mechanical Properties
Another significant difference between lined and clad pipes is their mechanical properties. Lined pipes have lower mechanical properties than clad pipes due to the nature of the lining material used. Lining materials are generally more flexible and less rigid than metal materials. As a result, lined pipes have lower strength and pressure ratings compared to clad pipes.
Differences in Cost
Cost is also a significant factor that differentiates lined and clad pipes. Lined pipes are generally less expensive than clad pipes. The lining materials used in lined pipes are generally less expensive than the metals used in clad pipes. Additionally, the manufacturing process for lined pipes is simpler, making them less expensive to produce.
Differences in Manufacturing Capability
Manufacturing capability is also a difference between lined and clad pipes. Lined pipes can be manufactured in shorter lengths and larger diameters than clad pipes. This is because the lining material can be easily applied to the inner surface of the pipe. Clad pipes, on the other hand, require a complex welding process, making it difficult to manufacture in large diameters.
Applications of Lined and Clad Pipes
Lined pipes are commonly used in industries such as chemical processing, water treatment, and mining, where the fluid inside the pipe is highly corrosive. Clad pipes, on the other hand, are used in industries such as oil and gas, where high strength and pressure ratings are required.
Conclusion
In summary, lined and clad pipes are two options for constructing piping systems. They differ in construction, corrosion resistance, mechanical properties, cost, manufacturing capability, and applications. It is crucial to choose the right type of piping system based on the fluid inside the pipe, the environment, and the required strength and pressure ratings.
lined pipe, clad pipe, corrosion resistance, mechanical properties, applications, manufacturing, cost
What is the difference between lined and clad pipe?? - Explained
Learn about the differences between lined and clad pipes. Know about their construction, corrosion resistance, mechanical properties, cost, and applications. Choose the right type of piping system.
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