Main standard and material of precision bright tubes
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en Release date： 2022-05-17
Information summary：Because the precision bright tube is a kind of high-precision steel pipe material that has been processed by fine drawing or cold rolling, because the precision bright tube has no oxide layer on the inner and outer walls, it can withstand high pressure without leakage, high precision, high finish, and no cold bending. Deformation, flaring, flattening without cracks, etc.
Because the precision bright tube is a kind of high-precision steel pipe material that has been processed by fine drawing or cold rolling, because the inner and outer walls of the precision bright tube have no oxide layer, it can withstand high pressure without leakage, high precision, high finish, no deformation after cold bending, expansion It is mainly used to produce pneumatic or hydraulic components, such as air cylinders or oil cylinders, which can be seamless tubes or welded tubes. The chemical composition of precision bright tubes is carbon C, silicon Si, manganese Mn, sulfur S, phosphorus P, chromium Cr.
Main standards: GB/T3639, DIN2391-94/C, DIN2445, EN10305, DIN1630, DIN1629, ASTM A106, ASTM A179, JIS G3445.
Main materials: 10#, 20#, 35, 45, 40Cr, 25Mn, 37Mn5, St35(E235), St37.4, St45(E255), St52(E355).
The main purpose of the precision bright tube: automobiles, machinery parts and other machinery that have high requirements on the accuracy and smoothness of the steel tube. In 2--8 wires, many machining users are slowly converting seamless steel pipes or round steels into precision bright pipes in order to save labor, material and time losses.
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