Specification 1.Chromium molybdenum alloy steel. 2.Supplied in the hardened and tempered condition. 3.Lower carbon content,provide better weldability. 4.Readily machineable in the condition of 18-22HRC. 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% / S G S Certification:ISO/mill certificate Payment:L/C at sight or T/T