ISO 4957:2018 pdf download – Tool steels

02-19-2022 comment

ISO 4957:2018 pdf download – Tool steels.
2 Normative references The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 377, Steel and steel products — Location and preparation of samples and test pieces for mechanical testing ISO 404, Steel and steel products — General technical delivery requirements ISO 1035-1, Hot-rolled steel bars — Part 1: Dimensions of round bars ISO 1035-3, Hot-rolled steel bars — Part 3: Dimensions of flat bars ISO 1035-4:1982, Hot-rolled steel bars — Part 4: Tolerances ISO 4885, Ferrous materials — Heat treatments — Vocabulary ISO 4948-1, Steels — Classification — Part 1: Classification of steels into unalloyed and alloy steels based on chemical composition ISO/TS 4949, Steel names based on letter symbols ISO 6506-1, Metallic materials — Brinell hardness test — Part 1: Test method ISO 6508-1, Metallic materials — Rockwell hardness test — Part 1: Test method ISO 6929, Steel products — Vocabulary ISO 7452:2013, Hot rolled steel plates — Tolerances on dimensions and shape ISO 7788, Steel — Surface finish of hot-rolled plates and wide flats — Delivery requirements ISO 9443, Surface quality classes for hot-rolled bars and wire rod
3? Terms? and? definitions For the purposes of this document, the terms and definitions given in ISO 4885, ISO 4948-1 and ISO 6929 and the following apply. ISO and IEC maintain terminological databases for use in standardization at the following addresses: — ISO Online browsing platform: available at https: //www .iso .org/obp — IEC Electropedia: available at http: //www .electropedia .org/ 3.1 tool steel special steel suitable for working or processing of materials, for handling and measuring workpieces and, for this purpose, exhibiting high hardness and wear resistance and/or toughness 3.2 cold-work tool steel non-alloy or alloy tool steel (3.1) for applications in which the surface temperature is generally below 200 °C 3.3 hot-work tool steel alloy tool steel (3.1) for applications in which the surface temperature is generally over 200 °C 3.4 high-speed? tool? steel steel used mainly for machining and for forming processes and which, because of the chemical composition, has the highest high-temperature hardness and temper resistance up to about 600 °C

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