Hollow bars, also known as seamless mechanical tubing, are becoming increasingly popular in manufacturing industries due to their unique properties and advantages over solid bars. These bars are widely used in various industries, including oil and gas, automotive, and aerospace, due to their high strength, versatility, and corrosion resistance.
The manufacturing process of hollow bars is quite different from that of solid bars. The hollow bar is created by drilling a hole through a solid bar, which is then heated and drawn over a mandrel to create the desired size and shape. The resulting product is a tube-like structure with a hollow interior and a smooth exterior surface.
One of the main advantages of hollow bars is their strength-to-weight ratio. Since they are made from a single piece of material, they have a uniform wall thickness, which makes them much stronger than solid bars of the same weight. Additionally, hollow bars have a much higher resistance to torsional stress, which is the twisting force that can cause damage to solid bars. This makes them an ideal choice for applications that require high-strength and high-torsional stiffness, such as drive shafts and axles.
Another advantage of hollow bars is their versatility. They can be easily machined, welded, and formed into various shapes and sizes to fit specific applications. This makes them an ideal choice for complex engineering projects that require precise components. Additionally, hollow bars can be used in a variety of environments, including high-temperature and high-pressure environments, without corroding or deteriorating.
One industry that has benefited greatly from the use of hollow bars is the oil and gas industry. Hollow bars are used in oil well drilling operations, where they are used to make drill collars and subs. Drill collars are used to add weight to the drill bit and keep it in the wellbore, while subs are used to connect the drill collars to the drill pipe. Hollow bars are also used in the production of pumps and valves used in the oil and gas industry due to their corrosion resistance and strength.
Another industry that has benefited from the use of hollow bars is the automotive industry. Hollow bars are used to make various components, such as drive shafts, suspension components, and steering columns. They are also used in the production of race cars and high-performance vehicles, due to their high strength and stiffness.
Indeed, hollow bars are becoming increasingly popular in manufacturing industries due to their unique properties and advantages over solid bars. They are versatile, strong, and corrosion-resistant, making them an ideal choice for various engineering applications.
Whether you are in the oil and gas, automotive, or aerospace industry, hollow bars offer a cost-effective and reliable solution for your manufacturing needs. Get in touch with our team for more information.