Main purpose:steel rolling production cross cection of the round billetcross-section sizeoutput(10,000tones/year)length ø150mm106.0m~12.0m customize sizeø160mm10ø180mm40ø210mm30ø270mm20 Steel type No. Steel type Steel grade 1Billet of stucture seamless pipe20,45,Q345,20Cr,40Cr,20CrMo,30-35CrMo,42CrMo 2Billet of the fluid seamless pipe 20,Q3453Billet of the boiler pipe20G,12Cr1MoVG,15CrMoG4Billet ...