ISO 13847:2013
(Main)Petroleum and natural gas industries — Pipeline transportation systems — Welding of pipelines
Petroleum and natural gas industries — Pipeline transportation systems — Welding of pipelines
ISO 13847:2013 specifies requirements, for the petroleum, petrochemical and natural gas industries, for producing and inspecting girth, branch and fillet welds in the pipeline part of pipeline transportation systems which meet the requirements of ISO 13623:2009 or equivalent. ISO 13847:2013 is applicable to the requirements for welding of carbon and low-alloy steel pipes, and includes guidance for the welding of corrosion-resistant alloy (CRA) and CRA-clad pipelines in Annex A. Application is restricted to pipes with a diameter of 20 mm or more and a wall thickness of 3 mm or more, a specified minimum yield strength of 555 MPa or less, and which are designed not to exceed permissible equivalent stresses as defined in ISO 13623:2009 or equivalent. It is also applicable to welding into pipelines of items such as spools, risers, launchers/receivers, fittings, flanges and pup pieces to pipeline valves. Guidance for special welding applications is provided in: Annex B for hyperbaric welding; Annex C for brazing and aluminothermic welding of anode leads; Annex D for branch and fillet welding on in-service pipelines. The welding processes covered are shielded metal arc welding (SMAW), gas tungsten arc welding (GTAW), gas metal arc welding (GMAW), gas-shielded flux-cored arc welding (GSFCAW), self-shielded flux-cored arc welding (SSFCAW) and submerged arc welding (SAW). ISO 13847:2013 is not applicable to flash girth welding, resistance welding, solid-phase welding or other one-shot welding processes, nor to longitudinal welds in pipe or fittings or to the welding of process piping outside the scope of ISO 13623:2009.
Industries du pétrole et du gaz naturel — Conduites pour systèmes de transport — Soudage des conduites
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INTERNATIONAL ISO
STANDARD 13847
Second edition
2013-12-15
Petroleum and natural gas
industries — Pipeline transportation
systems — Welding of pipelines
Industries du pétrole et du gaz naturel — Conduites pour systèmes de
transport — Soudage des conduites
Reference number
©
ISO 2013
© ISO 2013
All rights reserved. Unless otherwise specified, 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
Case postale 56 • CH-1211 Geneva 20
Tel. + 41 22 749 01 11
Fax + 41 22 749 09 47
E-mail copyright@iso.org
Web www.iso.org
Published in Switzerland
ii © ISO 2013 – 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 . 5
5 Compliance . 6
6 Information to be supplied by the company . 6
7 Welding procedure specification and qualification requirements . 8
7.1 General . 8
7.2 Welding procedure specification . 9
7.3 Welding of test piece . 9
7.4 Inspection and testing of test pieces .10
7.5 Re-testing .18
7.6 Essential variables and range of approval .19
7.7 WPS for repair welding .23
7.8 Period of validity .24
8 Approval and testing of welders and welding operators .25
8.1 General .25
8.2 Approval for manual and semi-automatic welding .25
8.3 Approval for mechanized welding .25
8.4 Approval for automatic welding .25
8.5 Test welding.25
8.6 Inspection and testing of test welds .26
8.7 Re-testing .27
8.8 Range of approval .27
8.9 Records .28
8.10 Period of validity .28
9 Production welding .28
9.1 General .28
9.2 Equipment .28
9.3 Working clearance .28
9.4 Weather conditions .29
9.5 Pipe end preparation .29
9.6 Support .29
9.7 Line-up .29
9.8 Tack welding .30
9.9 Earthing or grounding .30
9.10 Electrodes and filler materials .30
9.11 Shielding gases .30
9.12 Preheating .31
9.13 Arc strikes .31
9.14 Backing .31
9.15 Internal weld bead .32
9.16 Weld metal deposition .32
9.17 Weld cleaning and peening.32
9.18 Partially completed welds .32
9.19 Post-weld heat treatment .33
9.20 Pipe and weld record .34
10 Non-destructive testing .34
10.1 General .34
10.2 NDT personnel .34
10.3 NDT procedure approval .34
10.4 Visual examination .34
10.5 Radiographic testing .35
10.6 Ultrasonic testing .37
10.7 Magnetic particle testing .38
10.8 Liquid penetrant testing .39
10.9 NDT report .39
11 Acceptance criteria for non-destructive testing .39
11.1 General .39
11.2 Right of rejection .39
11.3 Visual testing .39
11.4 Radiographic testing .40
11.5 Ultrasonic testing .42
11.6 Surface testing .43
11.7 Discontinuities in pipe or fittings .43
11.8 Acceptance criteria — ECA .
...
INTERNATIONAL ISO
STANDARD 13847
Second edition
2013-12-15
Petroleum and natural gas
industries — Pipeline transportation
systems — Welding of pipelines
Industries du pétrole et du gaz naturel — Conduites pour systèmes de
transport — Soudage des conduites
Reference number
©
ISO 2013
© ISO 2013
All rights reserved. Unless otherwise specified, 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
Case postale 56 • CH-1211 Geneva 20
Tel. + 41 22 749 01 11
Fax + 41 22 749 09 47
E-mail copyright@iso.org
Web www.iso.org
Published in Switzerland
ii © ISO 2013 – 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 . 5
5 Compliance . 6
6 Information to be supplied by the company . 6
7 Welding procedure specification and qualification requirements . 8
7.1 General . 8
7.2 Welding procedure specification . 9
7.3 Welding of test piece . 9
7.4 Inspection and testing of test pieces .10
7.5 Re-testing .18
7.6 Essential variables and range of approval .19
7.7 WPS for repair welding .23
7.8 Period of validity .24
8 Approval and testing of welders and welding operators .25
8.1 General .25
8.2 Approval for manual and semi-automatic welding .25
8.3 Approval for mechanized welding .25
8.4 Approval for automatic welding .25
8.5 Test welding.25
8.6 Inspection and testing of test welds .26
8.7 Re-testing .27
8.8 Range of approval .27
8.9 Records .28
8.10 Period of validity .28
9 Production welding .28
9.1 General .28
9.2 Equipment .28
9.3 Working clearance .28
9.4 Weather conditions .29
9.5 Pipe end preparation .29
9.6 Support .29
9.7 Line-up .29
9.8 Tack welding .30
9.9 Earthing or grounding .30
9.10 Electrodes and filler materials .30
9.11 Shielding gases .30
9.12 Preheating .31
9.13 Arc strikes .31
9.14 Backing .31
9.15 Internal weld bead .32
9.16 Weld metal deposition .32
9.17 Weld cleaning and peening.32
9.18 Partially completed welds .32
9.19 Post-weld heat treatment .33
9.20 Pipe and weld record .34
10 Non-destructive testing .34
10.1 General .34
10.2 NDT personnel .34
10.3 NDT procedure approval .34
10.4 Visual examination .34
10.5 Radiographic testing .35
10.6 Ultrasonic testing .37
10.7 Magnetic particle testing .38
10.8 Liquid penetrant testing .39
10.9 NDT report .39
11 Acceptance criteria for non-destructive testing .39
11.1 General .39
11.2 Right of rejection .39
11.3 Visual testing .39
11.4 Radiographic testing .40
11.5 Ultrasonic testing .42
11.6 Surface testing .43
11.7 Discontinuities in pipe or fittings .43
11.8 Acceptance criteria — ECA .
...
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