Seamless tube plants (hot)
Technical highlights

• PQF® mandrel mill TPCO, P.R. China; (Premium Quality Finishing Mill); the world´s most modern 3-roll mandrel mill
• Assel mill OVAKO STEEL, Sweden; the world´s most modern Assel mill for rolling tubes with the closest wall thickness tolerances
• MPM mill SUMITOMO, Japan; with the largest cross-roll piercer in the world
• Carta® (Computer Aided Rolling Technology Application); Technology systems for process control of cross-roll piercers, mandrel, stretch-reducing and sizing mills
• LASUS® (Laser Ultrasonic hot wall thickness measuring system); for measurement of the shell and tube wall thicknesses in the hot section of a seamless tube mill

MPM mill stand in H/V arrangement

PQF® mill

Stretch-Rerducing Mill (SRM)

SRM stand with adjustable rolls