... lw.com NAME: Guard rail forming machineSpecification:1, Hydraulic decoilerl Single unrolling machine, one side can put ... 45# steel, quenched 48°-52°, chromed leveling is three roller above and four roller below, quenched and ... : tempered Cr12 ironComponents:Hydraulic passive Uncoiled, Forming Machine ( feeding, leveler, roll mill, cutting, punching, PLC computer, Hydraulic station, cutting), and ...