ISO/TC 17/SC 10 - Steel for pressure purposes
Standardization of: Qualities of flat products, bars and forgings for pressure purposes; Methods for deriving and establishing of the elevated temperature yield/proof strength and average creep values of steels for pressure purposes.
Aciers pour service sous pression
Normalisation Des qualités des produits plats, des barres et des pièces forgées pour service sous pression; Des méthodes de calcul et de fixation des limites d'élasticité et des limites conventionnelles d'élasticité à température élevée, ainsi que des valeurs moyennes de fluage des aciers pour service sous pression.
General Information
This document specifies the characteristics of hot-rolled steel sheet and strip with a thickness up to 12 mm inclusive of the non-alloyed steels listed in Table 1, which are intended for welded gas cylinders in accordance with ISO 4706.
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ISO 9328-4:2018 specifies the technical delivery conditions for plates and strip for pressure equipment made of nickel-alloy steels as specified in Tables A.1 and B.1. The requirements and definitions of ISO 9328‑1 also apply to this document. NOTE This document offers the possibility of specifying products in accordance with European design codes and ASME-type design codes.
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ISO 9328-2:2018 specifies the technical delivery conditions for plates and strip for pressure equipment made of non-alloy and alloy steels as specified in Tables A.1 and B.1. The requirements and definitions of ISO 9328‑1 also apply to this document.
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ISO 9328-5:2018 specifies the requirements for flat products for pressure equipment, made of thermomechanically rolled weldable fine grain steels as specified in Tables A.1 and B.1. The steels are not suitable for hot forming. Until now, no sufficient data for the standardization of the elevated temperature properties of these steels are available. If their use at such temperatures is intended, the conditions for this are specially agreed upon between the interested parties. The requirements and definitions of ISO 9328‑1 also apply to this document. NOTE 1 Fine grain steels are understood to be steels with a ferritic grain size of 6 or finer when tested in accordance with ISO 643. NOTE 2 This document offers the possibility of specifying products in accordance with European design codes and ASME-type design codes.
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ISO 9328-1:2018 specifies the general technical delivery conditions for steel flat products (plate/sheet and strip) used principally for the construction of pressure equipment. The general technical delivery requirements of ISO 404 also apply to products supplied in accordance with this document.
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ISO 15461:2018 gives guidelines for the simplification and harmonization of the specifications for mechanical testing of open die and closed die forgings in International Standards and other technical delivery conditions for forgings of steel. ISO 15461:2018 a) offers various options for the frequency of testing, and sampling conditions, b) introduces a designation system for the options, mentioned under (a), and c) specifies the test methods for room temperature tensile tests, elevated temperature tensile tests, impact tests, and uniformity checks by hardness tests.
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ISO 9328-6:2018 specifies the requirements for flat products for pressure equipment made of quenched and tempered weldable fine grain steels as specified in Tables A.1 and B.1. The requirements and definitions of ISO 9328‑1 also apply to this document. NOTE 1 Fine grain steels are understood to be steels with a ferritic grain size of 6 or finer when tested in accordance with ISO 643. NOTE 2 This document offers the possibility of specifying products in accordance with European design codes and ASME-type design codes.
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ISO 9328-3:2018 specifies the requirements for flat products for pressure equipment made of weldable fine grain steels as specified in Tables A.1 and B.1. The requirements and definitions of ISO 9328‑1 also apply to this document. NOTE 1 Fine grain steels are understood as steels with a ferritic grain size of 6 or finer when tested in accordance with ISO 643. NOTE 2 This document offers the possibility to specifying products in accordance with European design codes and ASME-type design codes.
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ISO 9328-7:2018 specifies requirements for flat products for pressure purposes made of stainless steels, including austenitic creep-resisting steels, in thicknesses as specified in Tables 7 to 10. The requirements and definitions of ISO 9328‑1 also apply to this document.
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1.1 This part of ISO 9327 applies to forgings and rolled or forged bars manufactured from the austenitic and austenitic-ferritics steels given in Table 1 and delivered according to the specifications given in ISO 9327-1. 1.2 This part of ISO 9327 covers the following data: a) In Table 1 the limits for the chemical composition according to the cast analysis; the tensile properties at room temperature; the indications on the usual heat treatment condition at the time of delivery; b) in Table 2 the permissible deviations of the results of the product analysis from the specified limits for the cast analysis, c) in Table 3 the minimum elevated temperature proof strength values; d) in Table 4 the estimated average stress rupture properties.
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1.1 This part of ISO 9327 applies to forgings and rolled or forged bars in thicknesses up to 50 mm manufactured from the steels listed in Table 1 and to be delivered according to the specifications given in ISO 9327-1. 1.1 This part of ISO 9327 covers the following data: a) in Table 1 the limits for the chemical composition according to the cast analysis; the tensile properties at room temperature; the indications on the usual heat treatment condition at the time of delivery; b) in Table 2 the permissible product analysis tolerances on the limiting values given for the cast analysis; c) in Table 3 the minimum impact energy values.
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1.1 This part of ISO 9327 applies to forgings and rolled or forged bars in thicknesses up to 250 mm manufactured from fine grain steels (see NOTE) given in Table 1 and to be delivered according to the specifications given in ISO 9327-1. The steels are classified into room temperature grades (P...), elevated temperature grades (PH...), low temperature grades (PL...), low and elevated temperature grades (PLH...). NOTE Fine grain steels are here understood as steels with grain size 6 or finer according to the grain size charts in ISO 643. 1.2 This part of ISO 9327 covers the following data: a) In Table 1 the limits for the chemical composition according to the cast analysis; the tensile properties at room temperature; the indications on the usual heat treatment condition at the time of delivery; b) in Table 2 the permissible product analysis tolerances on the limiting values given for the cast analysis; c) in Table 3 the minimum impact energy values; d) in Table 4 the minimum elevated temperature proof strength values.
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1.1 This part of ISO 9327 applies to forgings and rolled or forged bars in thicknesses up to 250 mm (partly up to 500 mm) manufactured from the steels listed in Table 1 and to be delivered according to the specifications given in ISO 9327-1. 1.2 This part of ISO 9327 covers the following data: a) in Table 1 the limits for the chemical composition according to the cast analysis; the tensile properties at room temperature; the impact properties; the indications on the usual heat treatment condition at the time of delivery; b) in Table 2 the permissible product analysis tolerances on the limiting values given for the cast analysis; c) in Table 3 the minimum elevated temperature proof strength values (see C.4 of ISO 9327-1:1998); d) in Table 4 the estimated average stress rupture properties; e) in Table 5 the estimated average strength values for 1 % plastic strain.
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1.1 This part of ISO 9327 covers the technical delivery conditions for forgings (see note 1) and for rolled or forged bars for pressure purposes manufactured from the following internationally used steels (see note 2): a) non-alloy and alloy ferritic or martensitic steels with specified room temperature properties and supplementary requirements for elevated temperature properties covered in ISO 9327-2; b) nickel steels with specified low temperature properties covered in ISO 9327-3; c) weldable fine grain steels with high proof strength (room temperature, elevated temperature and low temperature grades) covered in ISO 9327-4; d) austenitic and austenitic-ferritic steels (room temperature and elevated temperature grades) covered in ISO 9327-5. NOTE 1 In accordance with ISO 6929 the term forgings covers here open die forgings including ring rolled products as well as closed die forgings. NOTE 2 Additional to the internationally used steels for pressure purposes covered in parts 2 to 5 of ISO 9327, there are other steels used regionally or nationally for the same application. These other steels shall not be precluded by this International Standard provided that they comply with the relevant International or National Standards for vessel constructions. NOTE 3 The following International Standards also apply for steel products for pressure purposes: ISO 9328 parts 1 to 5, ISO 9329 parts1 to 4, ISO 9330 parts 1 to 6, ISO 4978. 1.2 In special cases variations of the requirements of this International Standard or additions to them may form the subject of an agreement at the time of enquiry and order (see annex C). 1.3 In addition to the requirements of this International Standard the general technical delivery requirements in ISO 404 apply, unless otherwise indicated in the following.
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Defines an alternative to the method specified in ISO 2605-1 and ISO 2605-2. Does not define a verification procedure; where verification of elevated temperature properties is required this shall be by hot testing.
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Defines a procedure for obtaining and for assessing the data necessary to establish long-time stress rupture values for steels for pressure purposes for steels where properties different from those internationally agreed are being claimed. The purpose of a standard procedure is to minimize any differences in long-time estimates obtained in different countries due to differences in the quantity and duration of the data used and differences in the method of analysing the data.
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ISO 9328-5:2011 specifies the requirements for flat products for pressure equipment, made of thermomechanically rolled weldable fine grain steels. The steels are not suitable for hot forming. Until now, no sufficient data for the standardization of the elevated temperature properties of these steels are available. If their use at such temperatures is intended, the conditions for this are specially agreed upon between the interested parties. The requirements and definitions of ISO 9328-1:2011 also apply to ISO 9328-5:2011.
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ISO 9328-1:2011 specifies the general technical delivery conditions for steel flat products (plate/sheet and strip) used principally for the construction of pressure equipment. The general technical delivery requirements in ISO 404 also apply to products supplied in accordance with ISO 9328-1:2011.
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ISO 9328-3:2011 specifies the requirements for flat products for pressure equipment made of weldable fine grain steels. The requirements and definitions of ISO 9328-1:2011 also apply to ISO 9328-3:2011.
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ISO 9328-4:2011 specifies the technical delivery conditions for plates and strip for pressure equipment made of nickel-alloy steels. The requirements and definitions of ISO 9328-1:2011 also apply to ISO 9328-4:2011.
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ISO 9328-2:2011 specifies the technical delivery conditions for plates and strip for pressure equipment made of non-alloy and alloy steels. The requirements and definitions of ISO 9328-1:2011 also apply to ISO 9328-2:2011.
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ISO 9328-7:2011 specifies requirements for flat products for pressure purposes made of stainless steels, including austenitic creep-resisting steels. Additionally the requirements of ISO 9328-1:2011 also apply.
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ISO 9328‑6:2011 specifies the requirements for flat products for pressure equipment made of quenched and tempered weldable fine grain steels. The requirements and definitions in ISO 9328‑1:2011 also apply to ISO 9328‑6:2011.
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ISO 9328-5:2004 specifies the requirements for flat products for pressure equipment, made of thermomechanically rolled fine grain steels. The steels are not suitable for hot forming. The requirements and definitions of ISO 9328-1 also apply to this document.
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ISO 9328-3:2004 specifies the requirements for flat products for pressure equipment made of certain weldable fine grain steels. The requirements and definitions of ISO 9328-1 also apply to this document.
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ISO 9328-4:2004 specifies the technical delivery conditions for plates and strip for pressure equipment made of certain nickel-alloy steels. The requirements and definitions of ISO 9328-1 also apply to this document.
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ISO 9328-6:2004 specifies the requirements for flat products for pressure equipment made of quenched and tempered fine grain steels. The requirements and definitions in ISO 9328-1 also apply to this document.
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ISO 9328-2:2004 specifies the technical delivery conditions for plates and strip for pressure equipment made of certain non-alloy and alloy steels. The requirements and definitions of ISO 9328-1 also apply to this document.
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ISO 9328-7:2004 specifies the technical delivery conditions for flat products for pressure purposes made of stainless steels, including austenitic creep resisting steels.
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ISO 9328-1:2003 specifies the general technical delivery conditions for steel flat products (plate/sheet and strip) used principally for the construction of pressure equipment. The general technical delivery requirements in ISO 404 also apply to products supplied in accordance with ISO 9328-1:2003.
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Applies to plates of 3 mm to 75 mm thickness and strip of thickness greater than or equal to 3 mm. Parts 1 to 5 of ISO 9328 cancel and replace the first editions of ISO 2604-4:1975, ISO/TR 2604-7:1986 and ISO 2604-8:1985.
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Applies to unalloyed and low-alloyed steels, nickel-alloyed steels, weldable fine grain steels, and austenitic steels. Parts 1 to 5 of ISO 9328 cancel and replace the first editions of ISO 2604-4:1975, ISO/TR 2604-7:1986 and ISO 2604-8:1985.
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Applies to plates of 3 mm to 150 mm thickness (partly up to 300 mm) and strip of thickness greater than or equal to 3 mm. Parts 1 to 5 of ISO 9328 cancel and replace the first editions of ISO 2604-4:1975, ISO/TR 2604-7:1986 and ISO 2604-8:1985.
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Applies to plates of 3 mm to 70 mm thickness and strip of thickness greater than or equal to 3 mm. Parts 1 to 5 of ISO 9328 cancel and replace the first editions of ISO 2604-4:1975, ISO/TR 2604-7:1986 and ISO 2604-8:1985.
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Applies to plates and strip of 3 mm to 50 mm thickness. Parts 1 to 5 of ISO 9328 cancel and replace the first editions of ISO 2604-4:1975, ISO/TR 2604-7:1986 and ISO 2604-8:1985.
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Specifies the characteristics of flat rolled steel products with a thickness up to 6 mm of the unalloyed steels listed in table 1 which are intended for welded gas cylinders with a normalized structure. Describes for instance the manufacture of the steel, heat treatment, chemical composition, properties, surface condition, dimensions, acceptance tests, samples and testpieces.
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