1.st52 steel round bar 2.Specialized for 10 years 3.Certificates: ISO,ABS 4.MOQ for 1 Pc 5.Delivery time:about 20 days 1.Features: st52 steel round bar s2.Standards: ASME,ASTM,GB,JIS,DIN3.Progress: hot rolled with heat treatment4.MOQ: for 1 pc5.Delivery states: Polished surface ,painted with antirust oils6.Best quality and competitive price! hot rolled steel round bar st52