... #)2.Round Bar3.steel round bar4.steel barRound Bar Material:20#,45# Round bar can be used in enviroment protection,traffic,food ... BarStandard:GB,JIS,ASTM,DIN,AISI,BSMaterial: 20#,45#,Q235Diameter:5.5mm-250mmUsagethe products are widely used in, , boiler, power station ... so on. PaymentTermsL/C at sight or T/T.SpecificationsDia:5.5mm-250mmTechnics :hot rolled /cold drawn1.Surface Finished: black , ...