ISO 15590-1:2018
(Main)Petroleum and natural gas industries — Induction bends, fittings and flanges for pipeline transportation systems — Part 1: Induction bends
Petroleum and natural gas industries — Induction bends, fittings and flanges for pipeline transportation systems — Part 1: Induction bends
This document specifies the technical delivery conditions for bends made by the induction bending process for use in pipeline transportation systems for the petroleum and natural gas industries as defined in ISO 13623. This document is applicable to induction bends made from seamless and welded pipe of unalloyed or low-alloy steels. NOTE These are typically C-Mn steels or low-alloy steels that are appropriate for the corresponding level and grade of line pipe in accordance with ISO 3183. This document specifies the requirements for the manufacture of two product specification levels (PSLs) of induction bends corresponding to product specification levels given for pipe in ISO 3183. This document is not applicable to the selection of the induction bend PSL. It is the responsibility of the purchaser to specify the PSL, based upon the intended use and design requirements; see also ISO 3183, Introduction. This document is not applicable to pipeline bends made by other manufacturing processes.
Industries du pétrole et du gaz naturel — Coudes d'induction, raccords et brides pour systèmes de transport par conduites — Partie 1: Coudes d'induction
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INTERNATIONAL ISO
STANDARD 15590-1
Third edition
2018-10
Petroleum and natural gas
industries — Induction bends,
fittings and flanges for pipeline
transportation systems —
Part 1:
Induction bends
Industries du pétrole et du gaz naturel — Coudes d'induction,
raccords et brides pour systèmes de transport par conduites —
Partie 1: Coudes d'induction
Reference number
©
ISO 2018
© ISO 2018
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting
on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address
below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2018 – All rights reserved
Contents Page
Foreword .v
Introduction .vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 3
4 Symbols and abbreviated terms . 5
4.1 Symbols . 5
4.2 Abbreviated terms . 6
5 General requirements . 6
5.1 Units of measurement . . 6
5.2 Rounding . 6
5.3 Conformance to this document . 7
6 Designation . 7
7 Pressure rating and design . 7
8 Information that shall be supplied by the purchaser . 7
8.1 General information . 7
8.2 Additional information . 8
8.3 Information on the mother pipe . 9
9 Manufacturing . 9
9.1 Mother pipe . 9
9.2 Qualification test bend .10
9.3 Production bending .10
9.4 Post-bending heat treatment .10
9.5 Forming and sizing after bending .10
9.6 Strip/plate end welds . .11
9.7 Jointers and girth welds .11
9.8 End preparation .11
10 Testing and inspection .11
10.1 General requirements .11
10.2 Extent of testing and inspection .12
10.2.1 Qualification test bend .12
10.2.2 Production bends .12
10.2.3 Production test bends .12
10.3 Chemical composition .12
10.4 Physical testing .12
10.4.1 Test pieces — General .12
10.4.2 Tensile testing .13
10.4.3 Charpy V-notch impact testing .16
10.4.4 Through-thickness hardness testing .18
10.4.5 Surface hardness testing .18
10.4.6 Metallographic examination .18
10.4.7 Crack tip opening displacement testing .19
10.4.8 Guided bend testing .19
10.4.9 Flattening tests .19
10.5 Non-destructive testing .19
10.5.1 General.19
10.5.2 Visual inspection .19
10.5.3 Weld seam testing .20
10.5.4 Inspection of bend ends . .20
10.5.5 Magnetic particle testing or liquid-penetrant testing on the bend body .20
10.5.6 Ultrasonic testing on the bend body .21
10.5.7 Level of residual magnetism .21
10.5.8 Repairs .21
10.5.9 NDT personnel .21
10.6 Dimensions .21
10.7 Gauging .24
10.8 Hydrostatic testing .24
11 Inspection document .25
12 Marking .25
Annex A (normative) Manufacturing procedure specification (MPS) .26
Annex B (normative) PSL 2S bends ordered for sour service .28
Bibliography .32
iv © ISO 2018 – All rights reserved
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www .iso .org/patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and
expressions relate
...
INTERNATIONAL ISO
STANDARD 15590-1
Third edition
2018-10
Petroleum and natural gas
industries — Induction bends,
fittings and flanges for pipeline
transportation systems —
Part 1:
Induction bends
Industries du pétrole et du gaz naturel — Coudes d'induction,
raccords et brides pour systèmes de transport par conduites —
Partie 1: Coudes d'induction
Reference number
©
ISO 2018
© ISO 2018
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting
on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address
below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2018 – All rights reserved
Contents Page
Foreword .v
Introduction .vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 3
4 Symbols and abbreviated terms . 5
4.1 Symbols . 5
4.2 Abbreviated terms . 6
5 General requirements . 6
5.1 Units of measurement . . 6
5.2 Rounding . 6
5.3 Conformance to this document . 7
6 Designation . 7
7 Pressure rating and design . 7
8 Information that shall be supplied by the purchaser . 7
8.1 General information . 7
8.2 Additional information . 8
8.3 Information on the mother pipe . 9
9 Manufacturing . 9
9.1 Mother pipe . 9
9.2 Qualification test bend .10
9.3 Production bending .10
9.4 Post-bending heat treatment .10
9.5 Forming and sizing after bending .10
9.6 Strip/plate end welds . .11
9.7 Jointers and girth welds .11
9.8 End preparation .11
10 Testing and inspection .11
10.1 General requirements .11
10.2 Extent of testing and inspection .12
10.2.1 Qualification test bend .12
10.2.2 Production bends .12
10.2.3 Production test bends .12
10.3 Chemical composition .12
10.4 Physical testing .12
10.4.1 Test pieces — General .12
10.4.2 Tensile testing .13
10.4.3 Charpy V-notch impact testing .16
10.4.4 Through-thickness hardness testing .18
10.4.5 Surface hardness testing .18
10.4.6 Metallographic examination .18
10.4.7 Crack tip opening displacement testing .19
10.4.8 Guided bend testing .19
10.4.9 Flattening tests .19
10.5 Non-destructive testing .19
10.5.1 General.19
10.5.2 Visual inspection .19
10.5.3 Weld seam testing .20
10.5.4 Inspection of bend ends . .20
10.5.5 Magnetic particle testing or liquid-penetrant testing on the bend body .20
10.5.6 Ultrasonic testing on the bend body .21
10.5.7 Level of residual magnetism .21
10.5.8 Repairs .21
10.5.9 NDT personnel .21
10.6 Dimensions .21
10.7 Gauging .24
10.8 Hydrostatic testing .24
11 Inspection document .25
12 Marking .25
Annex A (normative) Manufacturing procedure specification (MPS) .26
Annex B (normative) PSL 2S bends ordered for sour service .28
Bibliography .32
iv © ISO 2018 – All rights reserved
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www .iso .org/patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and
expressions relate
...
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