... S60C;US Standard:AISI1020,AISI1040,AISI1045,AISI1050;Europe Standard:CK15,C.22,C45,CK45,C60,CK60;C45E; Tool Steel:1. ... VD.Ultra-sonic test: as per SEP 1921 Group III C/c,D/d,E/e,As forged condition straightness: ≤4mm/m ... : as per ASTM E45 A/B/C/D heavy ≤2, thin ≤2.5 NameRound bar BrandTISCO,BAOSTEEL,CGXYSTEELMaterial GradeStainless steel, Alloy ... 150+1.0%, -2.0%+0.8%, -1.8% 2013 High Quality Round bar