... -800mm Process:hot-rolled/forged/cold-drawn Shape:square/round Steel bar Material: Stainless Steel:201 202 204 207 207CU 301 302 303 303B ... ,34CrAlNi7,B7,B16,F11,F12,F22,F5,F9,51Cr4. Carbon steel bar:Chinese Standard:20#,25#,35#,45#,50#,60#;Japan Standard ... , Crystal rot test, Heat treatment, NDTSize toleramce: Hot-rolled steel round or square bar: d/a(mm)5.5-77-2020-3030-5050 ...