The Mill-140 began to work on the 10^th of September 1952. This machine comprises the following mills:

• an annular (ring) furnace
• a piercing mill
• an automated mill
• two rolling mills
• a preheating furnace
• a drawing mill
• a reduction mill
• straightening machines

 This mill produces pump-compressor, sleeved, smooth-surface and other kinds of pipes.

Besides the above-mentioned sections, the complex combining different machines and sections of these two mills also comprises the following: a cooler, a warming-up furnace which works in front of the reduction mill, mills for straightening pipes, a section for cladding pipes, mills for cutting sleeves, a section for galvanizing sleeves, tables for quality control, &c.