... steel Size: 20-800mm Process:hot-rolled/forged/cold-drawn Shape:square/round Round bar Material: Stainless Steel:201 202 204 207 207CU ... #,25#,35#,45#,50#,60#;Japan Standard:S20C,S25C,S35C,S45C,S55C,S60C;US Standard:AISI1020,AISI1040,AISI1045,AISI1050;Europe Standard ... test, Heat treatment, NDTSize toleramce: Hot-rolled steel round or square bar: d/a(mm)5.5-77-2020-3030-5050-8080 ...