... the round bar all the time .Grade: T5 , T8, S45C, S50C,SCM440 , AST5120, 5140,4130, 1022, round barWe are making the round steel bar all the ... time ,the detail information is as flw :1,Grade: T5 ... efforts,our cooperation will expand even in future.The flw is our round bar stock :GRADESIZE Q23550556080 20#6050150 45#250 B26050 ...