Abstract
1.1 This part of Ïã¸ÛÁùºÏ²Ê¿ª½± 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 Ïã¸ÛÁùºÏ²Ê¿ª½± 9327-2;
b) nickel steels with specified low temperature properties covered in Ïã¸ÛÁùºÏ²Ê¿ª½± 9327-3;
c) weldable fine grain steels with high proof strength (room temperature, elevated temperature and low
temperature grades) covered in Ïã¸ÛÁùºÏ²Ê¿ª½± 9327-4;
d) austenitic and austenitic-ferritic steels (room temperature and elevated temperature grades) covered in
Ïã¸ÛÁùºÏ²Ê¿ª½± 9327-5.
NOTE 1 In accordance with Ïã¸ÛÁùºÏ²Ê¿ª½± 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 Ïã¸ÛÁùºÏ²Ê¿ª½± 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: Ïã¸ÛÁùºÏ²Ê¿ª½± 9328 parts 1 to 5,
Ïã¸ÛÁùºÏ²Ê¿ª½± 9329 parts1 to 4, Ïã¸ÛÁùºÏ²Ê¿ª½± 9330 parts 1 to 6, Ïã¸ÛÁùºÏ²Ê¿ª½± 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
Ïã¸ÛÁùºÏ²Ê¿ª½± 404 apply, unless otherwise indicated in the following.
General information
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Status: PublishedPublication date: 1999-04Stage: International Standard to be revised [90.92]
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Edition: 1Number of pages: 17
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Technical Committee :Ïã¸ÛÁùºÏ²Ê¿ª½±/TC 17/SC 10
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Life cycle
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Previously
WithdrawnÏã¸ÛÁùºÏ²Ê¿ª½± 2604-1:1975
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Now
PublishedÏã¸ÛÁùºÏ²Ê¿ª½± 9327-1:1999
A standard is reviewed every 5 years
Stage: 90.92 (To be revised) -
Will be replaced by
Under developmentÏã¸ÛÁùºÏ²Ê¿ª½±/AWI 9327-1
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