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焊管制品厂镀锌钢管产量在我国占着较大的比重,在经济建设方面起到了一定的作用。该厂自1951年开始生产镀锌钢管以来,质量有了不断的提高,基本满足了用户的要求。但是随着工业建设的发展,将要求产品质量愈来愈高。在去年年初,出口镀锌钢管要求冷弯(曲率半径为弯曲钢管直径的八倍)时锌层不脱落,当时弯曲合格率仅为20～30%,因此影响出口任务的完成。为此,焊管厂和有关职能
Welded pipe products factory galvanized steel pipe production in China accounted for a larger proportion of economic construction has played a certain role. The plant has been producing galvanized steel pipe since 1951, the quality has been continuously improved, basically meet the user’s requirements. However, with the development of industrial construction, the quality of products will be required to be higher and higher. At the beginning of last year, when exporting galvanized steel pipe required cold bending (radius of curvature is eight times the diameter of the bent steel pipe), the zinc layer did not fall off. At that time, the bending qualification rate was only 20-30%, thus affecting the completion of the export task. To this end, welded pipe plant and related functions