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根据生产实践，对高速无扭控冷工艺轧制的带肋钢筋供轧成分进行了分析和探讨，通过论证回归分析及预报σｂ、σｓ值，认为调低Ｃ含量既能满足钢筋强度要求，又因碳当量的降低提高了钢筋的焊接性能。
According to the production practice, the components of ribbed steel bar for high speed uncoiled cold rolling are analyzed and discussed. By regression analysis and prediction of σb and σs values, it is considered that the reduction of C content can not only meet the requirement of steel bar strength, Reduced carbon equivalent improves the weldability of the bar.