1. dimention as per customers requirement 2. annealed or pre-hardened to HRC28-32 3.competitive price 4.prompt reply 1. Application High quality plastic moulds 2. Delivery condition·black or machined surface·pre-hardened to 28-33HRC/30-35HRC 3. Features·good machining and mirror polishing abilities·suitable for surface treatment·nitriding can increase surface hardness 4. Chemical composition (for ...