... through hardenability, low P and S content, polishable. Suitable for pitting and chrome plating. This grade is produced on request ... hard cold work dies and punches, hot shear blades, blocks for dies, forging saddles, pressing spindles, shrink rings, armoured trim ... AirHardness after tempering :Tempering °C400500550600HRC50464340Tempering °C400500550600HRC48444138 die: tool steel plate 1.2714 / 5ChNM