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采用２０＃热轧带钢经高频焊接和整体退火处理工艺生产出５１ｍｍ×３ｍｍ低中压锅炉用管，重点介绍了其工艺参数和性能检验结果。结果表明，用该工艺生产的焊管达到了同类无缝钢管做低中压锅炉管的水平。
Using 20 # hot-rolled strip by high-frequency welding and the overall annealing process to produce the supply of low-pressure 51mm × 3mm boiler tube, focusing on the process parameters and performance test results. The results show that the welded pipe produced by this process achieves the same level of low and medium pressure boiler tubes made of seamless pipe.