一、前言大连钢厂钢管车间学习青岛钢厂应用球形顶头轧管的先进经验,并在应用球形顶头轧合金钢管方面也积累了一些经验,在生产中取得了一定成绩,但在轧高合金钢1Cr18Ni9Ti时,仍有不咬入情况。北京钢铁研究院会同大连钢厂钢管车间的革命职工对应用球形顶头轧制1Cr18Ni9Ti管、GCr15管、 First, the foreword Dalian Steel Pipe Workshop Qingdao steel mill to learn the advanced experience of spherical head rolling, and the application of spherical head rolled alloy pipe has also accumulated some experience in the production has made some achievements, but the rolling high alloy steel 1Cr18Ni9Ti, there are still not biting into the situation. Beijing Iron and Steel Research Institute will work with Dalian steel plant steel pipe workers revolutionary application of spherical head rolling 1Cr18Ni9Ti pipe, GCr15 pipe,