1.2312 Heat treatmentï¼?Annealed / Q+T Surface conditionï¼?black,peeled,machined,milled,turned Delivery conditionï¼?Hot rolled or forged, Peeled or black surface Test:UT 100% / SGS Certification:ISO/mill certificate Density:7.85t/m^3 Features 1.Alloy tool steel which offers good machineability. 2.Excellent polished finish for large section. 3.Supplied in the hardened and tempered condition ready for machining. 4. In this condition it gives excellent wear resistance. Applications 1. Ideally suited for the production of plastic moulds. 2.Die holders, zinc die casting dies, backers, bolsters and injection moulds. 3.Shafts, rails and wear strips.