... parts Rounds,Blocks,Shafts,Hollow,Rollers. Supply according the customer's drawing Forged steel materials.Carbon steel:S20C/CK15/C.22, ... CK45/S45C/C45,C60/S55C,S355J2G3,ASTM A105, A350 LF2 and others.Alloy steel ... 150 mm-600 mm x 600 mmForged Shafts/Hollow/Rollers:The OD upto 3000 mm according the ... Zhuhong Forging Co.,Ltd Forged bars of Carbon steel and alloy ...