Specification 1.Medium carton structual steel. 2.High strength and machinability. 3.Good toughness. 4.Typically used in quenched and tempered or normalized conditions. Shape:steel plate/flat bar/round bar Technology:Hot work / Forged/cold drawn Heat treatment:Annealed / Q+T Surface condition:Black/Peeling/Polishing/Machined Delivery condition:Hot rolled or forged, Peeled or black surface Test:UT 100% / SGS Certification:ISO/mill certificate