ISO 683-17:2014 pdf download – Heat-treated steels, alloy steels and free-cutting steels — Part 17: Ball and roller bearing steels.
1 Scope 1.1 This part of ISO 683 specifies the technical delivery requirements for five groups of wrought ball and roller bearing steels as listed in Table 3, namely — through-hardening bearing steels (steels with about 1 % C and 1 % to 2 % Cr), — case-hardening bearing steels, — induction-hardening bearing steels (unalloyed and alloyed), — stainless bearing steels, and — high-temperature bearing steels. 1.2 This part of ISO 683 applies to the products and heat-treatment conditions given in Table 1 and the surface conditions given in Table 2. 1.3 In addition to this part of ISO 683, the general technical delivery requirements of ISO 404 are applicable. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. 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 642, Steel — Hardenability test by end quenching (Jominy test) ISO 643, Steels — Micrographic determination of the apparent grain size ISO 3763, Wrought steels — Macroscopic methods for assessing the content of non-metallic inclusions ISO 3887, Steels — Determination of depth of decarburization
3? Terms? and? definitions For the purposes of this document, the terms and definitions given in ISO 6929 and the following apply. 3.1 ball and roller bearing steels steels for rings and/or rolling bodies which use balls and rollers to maintain the separation between the moving parts of the bearing 4? Classification? and? designation 4.1? Classification The classification of the relevant steel grades is allocated in accordance with ISO 4948-1 and ISO 4948-2. All steel grades covered by this part of ISO 683 are special steels. 4.2 Designation For the steel grades covered by this part of ISO 683, the steel names given in the relevant tables are allocated in accordance with ISO/TS 4949.
ISO 683-17:2014 pdf download – Heat-treated steels, alloy steels and free-cutting steels — Part 17: Ball and roller bearing steels
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