ISO 630-1:2021 pdf download – Structural steels — Part 1: General technical delivery conditions for hot-rolled products

02-20-2022 comment

ISO 630-1:2021 pdf download – Structural steels — Part 1: General technical delivery conditions for hot-rolled products.
1 Scope This document specifies the general technical delivery conditions for steel flat and long products (plates/ sections/wide flats and bars) used principally for general-purpose structural steels. The steels specified in this document are intended for use in welded or bolted structures. The specific requirements for structural steels are given in the individual parts of ISO 630. This document does not include the following structural steels, some of which are covered by other International Standards: — sheet and strip: refer to ISO TC 17/SC 12 “Continuous mill flat rolled products”; — tubular products: refer to ISO TC 5/SC 1 “Steel tubes”. NOTE 1 Lists of standards covered by ISO/TC 17/SC 12 and ISO/TC 5/SC 1 are available on the ISO website. NOTE 2 In all parts of ISO 630, the term of “thickness” is considered as “nominal thickness”, unless otherwise stated. 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 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 630-2, Structural steels — Part 2: Technical delivery conditions for structural steels for general purposes ISO 630-3, Structural steels — Part 3: Technical delivery conditions for fine-grain structural steels ISO 630-4, Structural steels — Part 4: Technical delivery conditions for high yield strength quenched and tempered structural steel plates
5 Information to be supplied by the purchaser 5.1 Mandatory information The following information shall be supplied by the purchaser at the time of enquiry and order: a) the quantity required; b) the type of product; c) the nominal dimensions and tolerances on dimensions and shape of the product; d) the number of the relevant part of ISO 630; e) the steel name (grade) or designation; f) all required options (see 5.2); g) inspection document to be issued (see 7.1). 5.2 Options A number of options for agreement between the manufacturer and purchaser are specified in this document and listed below. If the purchaser does not specify any of these options at the time of enquiry and order, the products shall be supplied in accordance with the basic specification (see 5.1): a) specification of the steelmaking process (see 6.1); b) required delivery condition (see 6.2), applicable for ISO 630-2 and ISO 630-5; c) product analysis (see 6.3.2); d) alternative weldability formula (see 6.3.3); e) mechanical properties after additional heat treatment (see 6.4.1); f) specification of special classes for the reduction of area (see 6.4.4); g) deviating surface condition standard (see 6.5); h) deviating frequency of testing (see 8.2); i) specification of an analytical method (see 9.1);

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