... . 80~ Dia. 1000mm1035, 1045, 4150, 4340, 4140, etcPiercing RollDia. 80~ Dia. 1000mm1035, 1045, 4150, 4340, 4140, etcStraightening RollDia. 80~Dia. 900mmH13 ... ,4140,4340,EN9,EN19,EN24,EN31,51200,etc2 Material ... :H13,4130,4140,4150,4340,1035,1045,EN9,EN19,EN24,EN31,51200,SUJ2,100Cr6, ...