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A hollow bar is a metal bar with a center bore that extends the entire length of the bar. Similar to how seamless tubes are made, these bars are made by extruding a forged bar and then cutting it into the desired shape. No welding is done to join the hollow bar. Instead, one of two methods is used to produce hollow bars.
Drilling is the first method, which entails cutting through a solid bar stock. The second method, known as centrifugal casting, involves pouring molten metal into a cast as it rotates quickly.
The global hollow bar market accounted for $XX Billion in 2021 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2022 to 2030.
When there are strict requirements on the material, such as in the rolling bearing, automotive, hydraulic, and manufacturing industries, Ovako’s tubes and hollow bars are used. It have a standard tube programme that provides lower order minimums and a shorter lead time than typically require for a production batch as a service to clients.
There are two such common programmes on Ovako. The Ovako 280 hollow bar programme, which covers microalloyed steel hollow bars in grade Ovako 280 based on the standard EN 10294, and the bearing steel programme both cover about 350 tube sizes ranging in OD from 50.6 to 243.5 mm.
It carries over 250 different sizes of the Ovako 280 hollow bar programme in stock, ranging in OD from 30 to 242.7 mm.The Ovako 280 hollow bar programme and the bearing steel tubes both rely on precise machining tolerances. can offer a guaranteed finished turned size for either inner or outer chucking for any item.
Both mills, certain sales organizations, and designated distributors have tubes on hand. offer tubes made from every common steel grade offered by Ovako, in addition to the bearing steel programme and the hollow bar programme for Ovako 280. More performance benefits per kilogramme of product, less raw materials, and the replacement of fossil fuel energy sources with mostly fossil-free power are all necessary for reducing global CO2 emissions.