Tool steels (ISO 4957:1999)
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.
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