NBN EN ISO 4957:2000

This international standard covers the grades of wrought tool steels listed in tables 2, 4, 6 and 8, namely: a) unalloyed cold-work tool steels (see table 2); b) alloyed cold-work tool steels (see table 4); c) alloyed hot-work tool steels (see table 6); d) high-speed steels (see table 8). If not stated in the following, this international standard applies to all types of hot-rolled, forged or cold-drawn products which are supplied in one of the surface and heat-treatment conditions given in 5.1.2 and table 1.