Cr15 bearing steel 1.turned axis 2.EAF/ESR+Forged +Annealed+Grinded/Machined 3.UT acco to En1921d/d ... 4.delivery 45days Cr15 bearing steelprocess: EAF+LF+VD (ESR )delivery condition: got forged, hot treatment(normalized,annealed,quenched,tempered ...