Specification 1.Good machineability alloy tool steel. 2.Excellent polished finish for large section. 3.Supplied in the hardened and tempered condition ready for machining. 4.Can be case hardened or nitrided. Application 1.High-gloss mold. 2.Etching of plastic mold. 3.Large injection mold. 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