... : 20-800mm Process:hot-rolled/forged/cold-drawn Shape:square/round Round bar Material: Stainless Steel:201 202 204 207 207CU 301 ... , Crystal rot test, Heat treatment, NDTSize toleramce: Hot-rolled steel round or square bar: d/a(mm)5.5-77-2020 ... -150+1.0%, -2.0%+0.8%, -1.8% 2013 High Quality Round bar