《钢管技术》编辑部组织的关于长钢3150挤压机与133张减机配套问题的学术讨论是及时而又有现实意义的。本人愿借此机会与轧钢界同行共同讨论133张减机的出路问题。3150挤压机与张减机配套的形成是有其历史原因的。远在六十年代,当用玻璃作为热挤压润滑剂获得成功时,不少国 The academic discussion organized by the editorial department of “Steel Tube Technology” on the matching of the Changgang 3150 Extruder and the 133 Luan Shuihuan machines is timely and relevant. I would like to take this opportunity to discuss with colleagues in the rolling industry about the way out of 133 flights. The formation of the 3150 extrusion machine and the expansion machine has its historical reasons. Far from the 1960s, when glass was used as a hot extrusion lubricant, many countries achieved success