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Drawn Over Mandrel (DOM)

Drawn Over Mandrel (DOM) tubing is a type of steel tubing that undergoes a cold drawing process to achieve precise dimensions and a superior surface finish. This manufacturing method involves pulling the tube over a mandrel to refine its shape and improve mechanical properties, resulting in a product that exhibits high strength and improved dimensional accuracy. DOM tubing is commonly used in applications where tight tolerances and enhanced performance are required, such as in automotive components, hydraulic systems, and structural applications. Its excellent weldability and fatigue resistance further enhance its suitability for demanding environments.

 

Cold Drawn Seamless

Cold drawn seamless tubing is manufactured from solid steel bars, which are heated and then drawn through dies to create a hollow tube without any welds. This process enhances the mechanical properties of the tubing, resulting in improved strength and surface finish. Cold drawn seamless tubing is commonly used in applications requiring high precision and reliability, such as in hydraulic cylinders, oil and gas pipelines, and structural components. The absence of welds in this tubing type ensures uniform strength and reduces the risk of failure, making it a popular choice for critical applications in various industries.

 

Hot Rolled Seamless Tubing

Hot rolled seamless tubing is produced by heating a solid billet and then piercing it to create a hollow tube. This manufacturing process allows for the production of larger diameters and thicker walls compared to cold drawn seamless tubing. Hot rolled seamless tubing is known for its durability and strength, making it suitable for applications in industries such as construction, oil and gas, and manufacturing. While it may not achieve the same tight tolerances and surface finish as cold drawn seamless tubing, hot rolled seamless tubing is often preferred for applications where cost-effectiveness and high strength are essential.

Welded & Seamless Tubing                   

Welded and seamless tubing refers to two distinct manufacturing processes used to create hollow tubes. Welded tubing is produced by forming flat steel sheets into a cylindrical shape and then welding the seam, while seamless tubing is created from solid metal without any welds. Welded tubing is generally more cost-effective and can be produced in larger sizes, making it suitable for applications like structural support and fluid transport. Seamless tubing, on the other hand, offers superior strength and reliability due to the absence of weld seams, making it ideal for high-pressure applications, such as hydraulic systems and aerospace components. Both types of tubing serve various industries, each with its advantages depending on the specific requirements of the application.

 

 

Schedule piping

Schedule piping refers to a classification system that defines the wall thickness and pressure rating of pipes used in various applications. The "schedule" number indicates the pipe's thickness relative to its diameter, with higher schedule numbers indicating thicker walls and increased pressure capacity. This system is commonly used for steel and PVC pipes in plumbing, construction, and industrial applications. Schedule piping ensures that the correct pipe is selected based on the intended use, whether for carrying liquids, gases, or other materials under pressure. By adhering to standardized schedule classifications, engineers and contractors can ensure the safe and efficient performance of piping systems in diverse environments.

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