... 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 ... QTY .Advantages: board type, straightness, high efficiency, the international standard organization for my company product quality.Our ... our cooperation will expand even in future.The flw is our round bar stock :GRADESIZE Q23550556080 20#6050150 ...