... °CHardness 45-48 4. Application Forging dies of all types,hammer forging dies up to largest dimension,tools for tube ... die holders,backing plates, chipping beds,press dies for mould parts,deep engraving dies, containers for die casting presses, hot ... pressing spindles, shrink rings, armoured trim dies, hydro forming tools, plastic moulds, hot gripper and heading dies. 5. As material, the tolerance is ...