1.Forged drum shaft 2.vacuum degassed, forged, heat treated, finish machined. 3.weight:< ... ,length:<12m 1.weigth:<60ton2.DIA:<4m,Length:<12m 3.shaft rotor4.Carban steel,alloy steel ,stainless steel We Shanghai ZENT ... as 6300 tons Hydraulic machine,4000tons Hydraulic press machine, RAM3800 CNC ring rolls, 3T electric-hydraulic hammer, frictioin press for 1600T ...