Hot Rolled Steel Round bar Grade: AISI 1045, SCM440, 20CrMo, 20Cr, etc. Size: 16-270mm ... with chamfering and straightness Article: Hot rolled steel round bar Grade:S45CB, 20Cr, SCM440, SCM420 as customized.Size:16-270mmLength ... 3MT per bundle, in bulkAplication of Hot Rolled Steel Round Bar: The products are widely used in machinery making, autombile making, railway ...