Technology and equipment for producing small diameter pipes screw rolling mini mills

被引：0
|
作者：
Romantsev, B.A. [1 ]
Torshin, V.T. [1 ]
Torshin, S.V. [1 ]
机构：
[1] MGISiS, Moscow, Russia
来源：
Stal' | 2001年 / 07期
关键词：
Carbon steel - Deformation - Heat treatment - Rolling mill practice - Rolling mills;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Thick-walled pipes with small diameters are currently produced on cold rolling mills from hot-rolled billets. Additional operation such as annealing, pickling, applying the technological lubricant, pipe end preparation are required in this case. Costs are high. In connection with this, new technology and equipment have been developed for mini mill producing hot-rolled pipes with small diameters. The pipes are used in drilling. Pipes from steels of 28KhGN3M, 55S2, ShKh13, St35, 40Kh, 30KhGSA, and other grades are produced. The operating characteristics of the rolling mill have been presented. Mandrels are manufactured from R9 steel and heat-treated. Characteristics of produced pipes are given.
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页码：55 / 58
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