As supplied condition: Tempered to a hardness of 280 to 325 HB (950 – 1100 N / mm2) Tempered plastic mould steel, easy to polish, nitridable, chrome-plated, uniform hardness over the cross-section up to a thickness of approx. 405 mm
Applications: Plastic moulds, Bolsters for plastic and die casting moulds. *Stress relieving is recommended for when removing over 30% of material before finishing.