ISO 14737:2021 pdf download – Carbon and low alloy cast steels for general applications.
1 Scope This document specifies requirements for carbon and low alloy cast steel grades for general applications. NOTE 1 Annex A provides guidance on welding. NOTE 2 Annex B gives information on ISO grade designation and available UNS numbers which are similar to the ISO grade designation. 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 148-1, Metallic materials — Charpy pendulum impact test — Part 1: Test method ISO 4990, Steel castings — General technical delivery requirements ISO 6892-1, Metallic materials — Tensile testing — Part 1: Method of test at room temperature 3? Terms? and? definitions No terms and definitions are listed in this document. ISO and IEC maintain terminological databases for use in standardization at the following addresses: — ISO Online browsing platform: available at https:// www .org/ obp — IEC Electropedia: available at http:// www .electropedia .org/ 4 General conditions for delivery Steel castings supplied in accordance with this document shall conform to the applicable requirements of ISO 4990, including the supplementary requirements that are indicated in the inquiry and purchase order.
5 Chemical composition The chemical composition shall conform to the values given in Table 1. 6 Heat treatment The type of heat treatment is left to the discretion of the manufacturer unless otherwise agreed upon at the time of inquiry and order. Heat treatment described in Table 2 is for information only. 7 Mechanical properties Mechanical properties are given in Table 2 and are subject to an agreement at the time of inquiry and order.
Unless otherwise specified (see ISO 4990), the thickness of the test block shall be 28 mm minimum. Properties at thicknesses greater than the maximum thickness in Table 2 may be lower and are subject to an agreement between manufacturer and purchaser. 8 Test methods 8.1 The tensile test shall be performed in accordance with ISO 6892-1. 8.2 The impact test shall be performed in accordance with ISO 148-1. 9 Supplementary requirements A list of supplementary requirements which may be used at the option of the purchaser is given in ISO 4990. 10 Marking Marking shall be as specified in ISO 4990.