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What is the national standard for straightness of precision bright tube

Author: Liaocheng precision steel pipe factory http://galinabelyaeva.com Date: 10:55, March 24, 2019
    Precision bright tube In the production process, the steel pipe body will appear different degrees of curve shape in the longitudinal direction (i.e. the length direction). However, the curve degree of some precision bright pipe products can be directly seen by naked eyes. The precision bright pipe required is already unqualified. As long as it is a regular manufacturer, such products are definitely not allowed to leave the factory, Some need special equipment to measure its straightness. This curve degree is expressed by numbers, that is, the curvature or straightness of steel pipe. For the standard of precision bright pipe straightness, the requirements are not high in the general pipeline for fluid transportation. This kind of pipe mainly requires the concentricity of the pipe orifice, so as to facilitate the pipeline welding. However, if the precision bright tube is used in processing machinery and equipment, especially cots, shafts and so on, they have higher requirements for straightness or bending, and this is also a very important indicator for them. Because it involves a processing capacity problem, the size of processing directly affects the size of the production cost, if the processing can not come out, this steel pipe is directly waste. Therefore, manufacturers like the production of roller body equipment pay special attention to the straightness detection of steel pipe when purchasing precision bright tube.
    According to the national standard GB / t3639-2009 cold drawing or cold Rolling essence dense nothing seam steel In accordance with the provisions of national standards:
    The national standard for straightness of precision bright tube is shown in the figure below
 National standard for straightness of precision bright tube


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Contact person: Director Wang
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Contact person: factory director Wang mobile phone: 13963013099 18963561655
Email: 13963013099@163.com Address: JIANGGUANTUN Industrial Park, Liaocheng City, Shandong Province
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