Specification 1.High carbon high chromium tool steel. 2.High wear resistance and toughness. 3.Offers a measure of corrosion resistance when polished. 4.Alternative to oil hardening tool steel. 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