STKR490 square tubes supplier, RHS TUBE offers JIS G3466 STKR490 carbon steel square tubes and STKR490 square tubes direct price. Direct Sale JIS G3466 STKR490 square tube is under a Japanese Industrial Standard (JIS G3466) for Carbon steel square pipes for general structural purposes. There are 1000 tons JIS G3466 STKR490 carbon steel square tubes in stock.
JIS G3466 STKR490 carbon steel square tubes for steel construction ensure high mechanical resistance and high yield strength. STKR490 carbon steel square tubes are used as a fixed load-bearing structures in the building and civil engineering, are suitable elements in mechanical engineering because of its static advantages, and are also used in aerospace and automotive industry. They are not suitable for dynamic loads.
What are the advantages of STKR490 welded structural hollow sections in relation to the open sections?
- better static characteristics
- lighter construction (about 30% less weight)
- smaller surface (it is necessary to protect about 40% less surface area)
- less resistance to air and liquids
- usable interior space (concrete, cables, wires, pipes ...)
- better visual effect
JIS G3466 STKR490 carbon steel hollow sections are produced at room temperature, by cold forming the sheet which is longitudinally welded at the ends, and therefore also known as welded hollow sections. (At the request and the technical possibilities, the inner weld can be removed or smoothed, while the outer weld is already processed in most cases.) Due to the process of cold forming, there is a high level of residual stress remaining in the hollow sections which the can cause cracks during workload.
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