ISO 17637:2016 Visual Inspection of Fusion-Welded Joints

INTERNATIONAL ISO STANDARD 17637...

INTERNATIONAL ISO STANDARD 17637 Second edition 2016-12-01 Non-destructive testing of welds — Visual testing of fusion-welded joints Contrôle non destructif des assemblages soudés — Contrôle visuel des assemblages soudés par fusion Normen-Download-Beuth-STILL GmbH-KdNr.71296-LfNr.7794403001-2017-01-13 16:21 Reference number ISO 17637:2016(E) © ISO 2016 Normen-Download-Beuth-STILL GmbH-KdNr.71296-LfNr.7794403001-2017-01-13 16:21 ISO 17637:2016(E) COPYRIGHT PROTECTED DOCUMENT © ISO 2016, Published in Switzerland ŽŽ”‹‰Š–•”‡•‡”˜‡†ǤŽ‡••‘–Š‡”™‹•‡•’‡ ‹ϐ‹‡†ǡ‘’ƒ”–‘ˆ–Š‹•’—„Ž‹ ƒ–‹‘ƒ›„‡”‡’”‘†— ‡†‘”—–‹Ž‹œ‡†‘–Š‡”™‹•‡‹ƒ›ˆ‘” ‘” „› ƒ› ‡ƒ•ǡ ‡Ž‡ –”‘‹  ‘” ‡ Šƒ‹ ƒŽǡ ‹ Ž—†‹‰ ’Š‘–‘ ‘’›‹‰ǡ ‘” ’‘•–‹‰ ‘ –Š‡ ‹–‡”‡– ‘” ƒ ‹–”ƒ‡–ǡ ™‹–Š‘—– ’”‹‘” ™”‹––‡’‡”‹••‹‘Ǥ‡”‹••‹‘ ƒ„‡”‡“—‡•–‡†ˆ”‘‡‹–Š‡” ƒ––Š‡ƒ††”‡••„‡Ž‘™‘” ǯ•‡„‡”„‘†›‹–Š‡ ‘—–”›‘ˆ the requester.  ‘’›”‹‰Š–‘ˆϐ‹ ‡ Ch. de Blandonnet 8 CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 ‘’›”‹‰Š–̷‹•‘Ǥ‘”‰ www.iso.org ii © ISO 2016 – All rights reserved  ISO 17637:2016(E) Contents Page Foreword........................................................................................................................................................................................................................................ iv 1 Scope................................................................................................................................................................................................................................. 1 2 Normative references...................................................................................................................................................................................... 1 ͵ ‡”•ƒ††‡ϐ‹‹–‹‘•..................................................................................................................................................................................... 1 4 Test conditions and equipment............................................................................................................................................................. 1 ͷ ‡”•‘‡Ž“—ƒŽ‹ϐ‹ ƒ–‹‘................................................................................................................................................................................. 2 6 Visual testing............................................................................................................................................................................................................ 2 6.1 General........................................................................................................................................................................................................... 2 6.2 Visual testing of joint preparation......................................................................................................................................... 2 6.3 Visual testing during welding.................................................................................................................................................... 2 ͸ǤͶ ‹•—ƒŽ–‡•–‹‰‘ˆ–Š‡ϐ‹‹•Š‡†™‡Ž†......................................................................................................................................... 3 6.4.1 General...................................................................................................................................................................................... 3 6.4.2 Cleaning and dressing................................................................................................................................................. 3 ͸ǤͶǤ͵ ”‘ϐ‹Ž‡ƒ††‹‡•‹‘•............................................................................................................................................... 3 6.4.4 Weld root and surfaces............................................................................................................................................... 3 6.4.5 Post-weld heat treatment......................................................................................................................................... 4 6.5 Visual testing of repaired welds............................................................................................................................................... 4 6.5.1 General...................................................................................................................................................................................... 4 ͸ǤͷǤʹ ƒ”–‹ƒŽŽ›”‡‘˜‡†™‡Ž†.............................................................................................................................................. 4 ͸ǤͷǤ͵ ‘’Ž‡–‡Ž›”‡‘˜‡†™‡Ž†....................................................................................................................................... 4 7 Test records................................................................................................................................................................................................................ 4 Annex A (informative) Examples of test equipment............................................................................................................................. 6 Bibliography............................................................................................................................................................................................................................. 10 Normen-Download-Beuth-STILL GmbH-KdNr.71296-LfNr.7794403001-2017-01-13 16:21 © ISO 2016 – All rights reserved iii  ISO 17637:2016(E) Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards „‘†‹‡• ȋ  ‡„‡” „‘†‹‡•ȌǤ Š‡ ™‘” ‘ˆ ’”‡’ƒ”‹‰ –‡”ƒ–‹‘ƒŽ –ƒ†ƒ”†• ‹• ‘”ƒŽŽ› ƒ””‹‡† ‘—– –Š”‘—‰Š  –‡ Š‹ ƒŽ ‘‹––‡‡•Ǥ ƒ Š ‡„‡” „‘†› ‹–‡”‡•–‡† ‹ ƒ •—„Œ‡ – ˆ‘” ™Š‹ Š ƒ –‡ Š‹ ƒŽ 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.  ‘ŽŽƒ„‘”ƒ–‡• Ž‘•‡Ž› ™‹–Š –Š‡ –‡”ƒ–‹‘ƒŽ Ž‡ –”‘–‡ Š‹ ƒŽ ‘‹••‹‘ ȋ Ȍ ‘ ƒŽŽ ƒ––‡”• ‘ˆ 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 †‹ˆˆ‡”‡––›’‡•‘ˆ †‘ —‡–••Š‘—Ž†„‡‘–‡†ǤŠ‹•†‘ —‡–™ƒ•†”ƒˆ–‡†‹ƒ ‘”†ƒ ‡™‹–Š–Š‡ editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives). ––‡–‹‘‹•†”ƒ™–‘–Š‡’‘••‹„‹Ž‹–›–Šƒ–•‘‡‘ˆ–Š‡‡Ž‡‡–•‘ˆ–Š‹•†‘ —‡–ƒ›„‡–Š‡•—„Œ‡ –‘ˆ ’ƒ–‡–”‹‰Š–•Ǥ •ŠƒŽŽ‘–„‡Š‡Ž†”‡•’‘•‹„Ž‡ˆ‘”‹†‡–‹ˆ›‹‰ƒ›‘”ƒŽŽ•— Š’ƒ–‡–”‹‰Š–•Ǥ‡–ƒ‹Ž•‘ˆ ƒ›’ƒ–‡–”‹‰Š–•‹†‡–‹ϐ‹‡††—”‹‰–Š‡†‡˜‡Ž‘’‡–‘ˆ–Š‡†‘ —‡–™‹ŽŽ„‡‹–Š‡ –”‘†— –‹‘ƒ†Ȁ‘” on the ISO list of patent declarations received (see www.iso.org/patents). ›–”ƒ†‡ƒ‡—•‡†‹–Š‹•†‘ —‡–‹•‹ˆ‘”ƒ–‹‘‰‹˜‡ˆ‘”–Š‡ ‘˜‡‹‡ ‡‘ˆ—•‡”•ƒ††‘‡•‘– constitute an endorsement. ‘”ƒ‡š’Žƒƒ–‹‘‘–Š‡‡ƒ‹‰‘ˆ •’‡ ‹ϐ‹ –‡”•ƒ†‡š’”‡••‹‘•”‡Žƒ–‡†–‘ ‘ˆ‘”‹–›ƒ••‡••‡–ǡ as well as information about ISO’s adherence to the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following URL: www.iso.org/iso/foreword.html. The committee responsible for this document is ISO/TC 44, Welding and allied processes, Subcommittee SC 5, Testing and inspection of welds. Š‹••‡ ‘†‡†‹–‹‘ ƒ ‡Ž•ƒ†”‡’Žƒ ‡•–Š‡ϐ‹”•–‡†‹–‹‘ȋ ͳ͹͸͵͹ǣʹͲͲ͵Ȍǡ™Š‹ ŠŠƒ•„‡‡–‡ Š‹ ƒŽŽ› revised. ‡“—‡•–•ˆ‘”‘ˆϐ‹ ‹ƒŽ‹–‡”’”‡–ƒ–‹‘•‘ˆƒ›ƒ•’‡ –‘ˆ–Š‹• –‡”ƒ–‹‘ƒŽ–ƒ†ƒ”†•Š‘—Ž†„‡†‹”‡ –‡†–‘ –Š‡‡ ”‡–ƒ”‹ƒ–‘ˆ ȀͶͶȀͷ˜‹ƒ›‘—”ƒ–‹‘ƒŽ•–ƒ†ƒ”†•„‘†›Ǥ ‘’Ž‡–‡Ž‹•–‹‰‘ˆ–Š‡•‡„‘†‹‡• can be found at www.iso.org. Normen-Download-Beuth-STILL GmbH-KdNr.71296-LfNr.7794403001-2017-01-13 16:21 iv © ISO 2016 – All rights reserved  INTERNATIONAL STANDARD ISO 17637:2016(E) Non-destructive testing of welds — Visual testing of fusion- welded joints 1 Scope Š‹•†‘ —‡–•’‡ ‹ϐ‹‡•–Š‡˜‹•—ƒŽ–‡•–‹‰‘ˆˆ—•‹‘™‡Ž†•‹‡–ƒŽŽ‹ ƒ–‡”‹ƒŽ•Ǥ –ƒ›ƒŽ•‘„‡ƒ’’Ž‹‡† to visual testing of the joint prior to welding. 2 Normative references There are no normative references in this document. ͵ ‡”•ƒ††‡ϐ‹‹–‹‘• ‘–‡”•ƒ††‡ϐ‹‹–‹‘•ƒ”‡Ž‹•–‡†‹–Š‹•†‘ —‡–Ǥ ISO and IEC maintain terminological databases for use in standardization at the following addresses: — IEC Electropedia: available at http://www.electropedia.org/ — ISO Online browsing platform: available at http://www.iso.org/obp 4 Test conditions and equipment The illuminance at the surface with white light shall be a minimum of 350 lx; wearing of tinted goggles (e.g. protective sunglasses) increases the minimum illuminance. However, 500 lx is recommended. ‘”†‹”‡ –‹•’‡ –‹‘ǡ–Š‡ƒ ‡•••ŠƒŽŽ„‡•—ˆϐ‹ ‹‡––‘’Žƒ ‡–Š‡‡›‡™‹–Š‹͸ͲͲ‘ˆ–Š‡•—”ˆƒ ‡–‘„‡ examined and at an angle not less than 30° (see Figure 1). Normen-Download-Beuth-STILL GmbH-KdNr.71296-LfNr.7794403001-2017-01-13 16:21 a Range. Figure 1 — Access for testing ‡‘–‡‹•’‡ –‹‘—•‹‰‹””‘”•ǡ„‘”‘• ‘’‡•ǡϐ‹„”‡‘’–‹  ƒ„Ž‡•‘” ƒ‡”ƒ••ŠƒŽŽ„‡ ‘•‹†‡”‡†™Š‡ the access for testing in accordance with Figure 1‹•‘–’‘••‹„Ž‡‘”™Š‡•’‡ ‹ϐ‹‡†„›ƒƒ’’Ž‹ ƒ–‹‘ standard. An additional light source can be used to increase the contrast and relief between imperfections and the background. © ISO 2016 – All rights reserved 1  ISO 17637:2016(E) Š‡”‡–Š‡”‡•—Ž–‘ˆ˜‹•—ƒŽ–‡•–‹‰‹•‹ ‘ Ž—•‹˜‡ǡ–Š‡˜‹•—ƒŽ–‡•–•Š‘—Ž†„‡•—’’Ž‡‡–‡†„›‘–Š‡”‘Ǧ destructive testing methods for surface inspections. Examples of equipment used for visual testing are given in Annex A. ͷ ‡”•‘‡Ž“—ƒŽ‹ϐ‹ ƒ–‹‘ ‹•—ƒŽ–‡•–‹‰‘ˆ™‡Ž†•ƒ†–Š‡‡˜ƒŽ—ƒ–‹‘‘ˆ”‡•—Ž–•ˆ‘”ϐ‹ƒŽƒ ‡’–ƒ ‡•ŠƒŽŽ„‡’‡”ˆ‘”‡†„›“—ƒŽ‹ϐ‹‡† and capable personnel. It is recommended that the personnel performing indirect visual testing is “—ƒŽ‹ϐ‹‡†ƒ ‘”†‹‰–‘ ͻ͹ͳʹ‘”ƒ–ƒƒ’’”‘’”‹ƒ–‡Ž‡˜‡Ž‹–Š‡”‡Ž‡˜ƒ–‹†—•–”›•‡ –‘”Ǥ 6 Visual testing 6.1 General Š‹• †‘ —‡– †‘‡• ‘– †‡ϐ‹‡ –Š‡ ‡š–‡– ‘ˆ ˜‹•—ƒŽ –‡•–‹‰Ǥ ‘™‡˜‡”ǡ –Š‹• •Š‘—Ž† „‡ †‡–‡”‹‡† ‹ ƒ†˜ƒ ‡ǡ‡Ǥ‰Ǥ„›”‡ˆ‡”‡ ‡–‘ƒƒ’’Ž‹ ƒ–‹‘‘”’”‘†— –•–ƒ†ƒ”†Ǥ Š‡‡šƒ‹‡”•ŠƒŽŽŠƒ˜‡ƒ ‡••–‘–Š‡‡ ‡••ƒ”›‹•’‡ –‹‘ƒ†’”‘†— –‹‘†‘ —‡–ƒ–‹‘”‡“—‹”‡†Ǥ ›˜‹•—ƒŽ–‡•–‹‰’”‹‘”–‘ǡ†—”‹‰‘”ƒˆ–‡” ‘’Ž‡–‹‘‘ˆ–Š‡™‡Ž†•Š‘—Ž†„‡ ƒ””‹‡†‘—–™Š‹Ž‡’Š›•‹ ƒŽ ƒ ‡••‹••–‹ŽŽ’‘••‹„Ž‡ǤŠ‹•ƒ›‹ Ž—†‡–Š‡˜‹•—ƒŽ–‡•–‹‰‘ˆ•—”ˆƒ ‡–”‡ƒ–‡–•Ǥ 6.2 Visual testing of joint preparation When visual testing is required prior to welding, the joint shall be examined to check the following: a) the shape and dimensions of the weld preparation meet the requirements of the welding procedure •’‡ ‹ϐ‹ ƒ–‹‘Ǣ „Ȍ –Š‡ ˆ—•‹‘ ˆƒ ‡• ƒ† ƒ†Œƒ ‡– •—”ˆƒ ‡• ƒ”‡ Ž‡ƒ ƒ† ƒ› ”‡“—‹”‡† •—”ˆƒ ‡ –”‡ƒ–‡– Šƒ• „‡‡ carried out in accordance with the application or product standard; Ȍ –Š‡ ’ƒ”–• –‘ „‡ ™‡Ž†‡† ƒ”‡ ‘””‡ –Ž› ϐ‹š‡† ‹ ”‡Žƒ–‹‘ –‘ ‡ƒ Š ‘–Š‡” ƒ ‘”†‹‰ –‘ †”ƒ™‹‰• ‘” instructions. 6.3 Visual testing during welding Normen-Download-Beuth-STILL GmbH-KdNr.71296-LfNr.7794403001-2017-01-13 16:21 When required, the weld shall be tested during the welding process to check the following: ƒȌ ‡ƒ Š”—‘”Žƒ›‡”‘ˆ™‡Ž†‡–ƒŽ‹• Ž‡ƒ‡†„‡ˆ‘”‡‹–‹• ‘˜‡”‡†„›ƒˆ—”–Š‡””—ǡ’ƒ”–‹ —Žƒ”ƒ––‡–‹‘ being paid to the junctions between the weld metal and the fusion face; „Ȍ –Š‡”‡ƒ”‡‘˜‹•‹„Ž‡‹’‡”ˆ‡ –‹‘•ǡ‡Ǥ‰Ǥ ”ƒ •‘” ƒ˜‹–‹‡•Ǣ‹ˆ‹’‡”ˆ‡ –‹‘•ƒ”‡‘„•‡”˜‡†ǡ–Š‡›•ŠƒŽŽ be reported so that remedial action can be taken before the deposition of further weld metal; c) the transition between the runs and between the weld and the parent metal is so formed that •ƒ–‹•ˆƒ –‘”›‡Ž–‹‰ ƒ„‡ƒ ‘’Ž‹•Š‡†™Š‡™‡Ž†‹‰–Š‡‡š–”—Ǣ d) the depth and shape of gouging is in accordance with the WPS or compared with the original groove •Šƒ’‡‹‘”†‡”–‘‡•—”‡ ‘’Ž‡–‡”‡‘˜ƒŽ‘ˆ–Š‡™‡Ž†‡–ƒŽƒ••’‡ ‹ϐ‹‡†Ǣ ‡Ȍ ƒˆ–‡” ƒ› ‡ ‡••ƒ”› repairs/remedial action, the weld conforms to the original requirements of the WPS. 2 © ISO 2016 – All rights reserved  ISO 17637:2016(E) ͸ǤͶ ‹•—ƒŽ–‡•–‹‰‘ˆ–Š‡ϐ‹‹•Š‡†™‡Ž† 6.4.1 General Š‡ϐ‹‹•Š‡†™‡Ž†•ŠƒŽŽ„‡‡šƒ‹‡†–‘†‡–‡”‹‡™Š‡–Š‡”‹–‡‡–•–Š‡”‡“—‹”‡‡–•‘ˆ–Š‡ƒ’’Ž‹ ƒ–‹‘ or product standard or other agreed acceptance criteria, e.g. ISO 5817 or ISO 10042. Finished welds shall at least be examined in accordance with the requirements given in 6.4.2 to 6.4.5. 6.4.2 Cleaning and dressing The weld shall be examined to check the following: ƒȌ ƒŽŽ•Žƒ‰Šƒ•„‡‡”‡‘˜‡†„›ƒ—ƒŽ‘”‡ Šƒ‹ ƒŽ‡ƒ•‹‘”†‡”–‘ƒ˜‘‹†‹’‡”ˆ‡ –‹‘•„‡‹‰ obscured; b) there are no tool impressions or blow marks; c) when weld dressing is required, overheating of the joint due to grinding is avoided and that grinding ƒ”•ƒ†ƒ—‡˜‡ϐ‹‹•Šƒ”‡ƒŽ•‘ƒ˜‘‹†‡†Ǣ †Ȍ ˆ‘”ϐ‹ŽŽ‡–™‡Ž†•ƒ†„—––™‡Ž†•–‘„‡†”‡••‡†ϐŽ—•Šǡ–Š‡Œ‘‹–‡”‰‡••‘‘–ŠŽ›™‹–Š–Š‡’ƒ”‡–‡–ƒŽ ™‹–Š‘—–—†‡”ϐŽ—•Š‹‰Ǥ ˆ‹’‡”ˆ‡ –‹‘•ȋ ƒ—•‡†„›†”‡••‹‰‘”‘–Š‡”™‹•‡Ȍƒ”‡‘„•‡”˜‡†ǡ–Š‡›•ŠƒŽŽ„‡”‡’‘”–‡†•‘–Šƒ–”‡‡†‹ƒŽ action can be taken. ͸ǤͶǤ͵ ”‘ϐ‹Ž‡ƒ††‹‡•‹‘• The weld shall be examined to check the following: ƒȌ –Š‡’”‘ϐ‹Ž‡‘ˆ–Š‡™‡Ž†ˆƒ ‡ƒ†–Š‡Š‡‹‰Š–‘ˆƒ›‡š ‡••™‡Ž†‡–ƒŽ‡‡––Š‡”‡“—‹”‡‡–•‘ˆ–Š‡ acceptance criteria (see 6.4.1); b) the surface of the weld is regular: the pattern and the pitch of weave marks present an even and •ƒ–‹•ˆƒ –‘”› ˜‹•—ƒŽ ƒ’’‡ƒ”ƒ ‡Ǣ –Š‡ †‹•–ƒ ‡ „‡–™‡‡ –Š‡ Žƒ•– Žƒ›‡” ƒ† –Š‡ ’ƒ”‡– ‡–ƒŽ ‘” –Š‡ ’‘•‹–‹‘‘ˆ”—•Šƒ•„‡‡‡ƒ•—”‡†™Š‡”‡”‡“—‹”‡†„›–Š‡Ǣ c) the weld width is consistent over the whole of the joint and that it meets the requirements given in the weld drawing or acceptance criteria (see 6.4.1); in the case of butt welds, the weld preparation •ŠƒŽŽ„‡ Š‡ ‡†–‘‡•—”‡‹–Šƒ•„‡‡ ‘’Ž‡–‡Ž›ϐ‹ŽŽ‡†ƒ†‡‡–•–Š‡”‡“—‹”‡‡–•‘ˆ†”ƒ™‹‰‘” Normen-Download-Beuth-STILL GmbH-KdNr.71296-LfNr.7794403001-2017-01-13 16:21 acceptance criteria (see 6.4.1). 6.4.4 Weld root and surfaces Š‡˜‹•—ƒŽŽ›ƒ ‡••‹„Ž‡’ƒ”–•‘ˆ–Š‡™‡Ž†ǡ‹Ǥ‡Ǥ–Š‡™‡Ž†”‘‘–ˆ‘”ƒ•‹‰Ž‡Ǧ•‹†‡†„—––™‡Ž†ƒ†–Š‡™‡Ž† surfaces, shall be examined for deviations from the acceptance criteria (see 6.4.1). The weld shall be examined to check the following: ƒȌ ‹–Š‡ ƒ•‡‘ˆ•‹‰Ž‡Ǧ•‹†‡†„—––™‡Ž†•ǡ–Š‡’‡‡–”ƒ–‹‘ǡ”‘‘– ‘ ƒ˜‹–›ƒ†ƒ›„—”Ǧ–Š”‘—‰Š‘” •Š”‹ƒ‰‡ ‰”‘‘˜‡• ƒ”‡ ™‹–Š‹ –Š‡ Ž‹‹–• •’‡ ‹ϐ‹‡† ‹ –Š‡ ƒ ‡’–ƒ ‡ ”‹–‡”‹ƒ ‘˜‡” –Š‡ ™Š‘Ž‡ ‘ˆ the joint; „Ȍ ƒ›—†‡” —–‹•™‹–Š‹–Š‡Ž‹‹–•‹†‹ ƒ–‡†‹–Š‡ƒ ‡’–ƒ ‡ ”‹–‡”‹ƒǢ Ȍ ƒ›‹’‡”ˆ‡ –‹‘••— Šƒ• ”ƒ •‘”’‘”‘•‹–›ǡ†‡–‡ –‡†—•‹‰‘’–‹ ƒŽƒ‹†•™Š‡‡ ‡••ƒ”›ǡ‹–Š‡ ™‡Ž†•—”ˆƒ ‡‘”Š‡ƒ–ƒˆˆ‡ –‡†œ‘‡• ‘’Ž›™‹–Š–Š‡ƒ’’”‘’”‹ƒ–‡ƒ ‡’–ƒ ‡ ”‹–‡”‹ƒǢ †Ȍ ƒ›ƒ––ƒ Š‡–•–‡’‘”ƒ”‹Ž›™‡Ž†‡†–‘–Š‡‘„Œ‡ ––‘ˆƒ ‹Ž‹–ƒ–‡’”‘†— –‹‘‘”ƒ••‡„Ž›ƒ†™Š‹ Š ƒ”‡ ’”‡Œ—†‹ ‹ƒŽ –‘ –Š‡ ˆ— –‹‘ ‘ˆ –Š‡ ‘„Œ‡ – ‘” –Š‡ ƒ„‹Ž‹–› –‘ ‡šƒ‹‡ ‹– ƒ”‡ ”‡‘˜‡† •‘ –Šƒ– –Š‡ © ISO 2016 – All rights reserved 3  ISO 17637:2016(E) ‘„Œ‡ –‹•‘–†ƒƒ‰‡†Ǣ–Š‡ƒ”‡ƒ™Š‡”‡–Š‡ƒ––ƒ Š‡–™ƒ•ϐ‹š‡†•ŠƒŽŽ„‡ Š‡ ‡†–‘‡•—”‡ˆ”‡‡†‘ of cracks; ‡Ȍ ƒ›ƒ” •–”‹‡•ƒ”‡™‹–Š‹–Š‡Ž‹‹–•‘ˆ–Š‡ƒ ‡’–ƒ ‡ ”‹–‡”‹ƒǤ 6.4.5 Post-weld heat treatment Final testing shall be done after heat treatment. 6.5 Visual testing of repaired welds 6.5.1 General Š‡™‡Ž†•ˆƒ‹Ž–‘ ‘’Ž›™Š‘ŽŽ›‘”‹’ƒ”–™‹–Š–Š‡ƒ ‡’–ƒ ‡ ”‹–‡”‹ƒƒ†”‡’ƒ‹”‹•‡ ‡••ƒ”›ǡ–Š‡ welded joint shall be examined in accordance with 6.5.2 and 6.5.3 prior to re-welding. ˜‡”›”‡’ƒ‹”‡†™‡Ž†•ŠƒŽŽ„‡”‡Ǧ‡šƒ‹‡†–‘–Š‡•ƒ‡”‡“—‹”‡‡–•ƒ•–Š‡‘”‹‰‹ƒŽ™‡Ž†Ǥ 6.5.2 Partially removed weld Š‡‡š ƒ˜ƒ–‹‘•ŠƒŽŽ„‡•—ˆϐ‹ ‹‡–Ž›†‡‡’ƒ†Ž‘‰–‘”‡‘˜‡ƒŽŽ‹’‡”ˆ‡ –‹‘•ǤŠ‡‡š ƒ˜ƒ–‹‘•ŠƒŽŽ„‡ tapered from the base of the cut to the surface of the weld metal at both the ends and sides of the cut. Š‡™‹†–Šƒ†’”‘ϐ‹Ž‡‘ˆ–Š‡ —–•ŠƒŽŽ„‡•— Š–Šƒ––Š‡”‡‹•ƒ†‡“—ƒ–‡ƒ ‡••ˆ‘””‡Ǧ™‡Ž†‹‰Ǥ 6.5.3 Completely removed weld Š‡ƒ†‡ˆ‡ –‹˜‡™‡Ž†Šƒ•„‡‡ ‘’Ž‡–‡Ž›”‡‘˜‡†ǡ™‹–Š‘”™‹–Š‘—––Š‡‡‡†ˆ‘”ƒ‡™•‡ –‹‘–‘„‡ ‹•‡”–‡†ǡ–Š‡•Šƒ’‡ƒ††‹‡•‹‘•‘ˆ–Š‡™‡Ž†’”‡’ƒ”ƒ–‹‘•ŠƒŽŽ‡‡––Š‡•’‡ ‹ϐ‹‡†”‡“—‹”‡‡–•ˆ‘” the original weld. 7 Test records When test records are required, at least the following information should be included in the report: a) the name of the component manufacturer; „Ȍ –Š‡ƒ‡‘ˆ–Š‡–‡•–‹‰„‘†›ǡ‹ˆ†‹ˆˆ‡”‡–ˆ”‘ƒȌǢ Normen-Download-Beuth-STILL GmbH-KdNr.71296-LfNr.7794403001-2017-01-13 16:21 Ȍ –Š‡‹†‡–‹–›‘ˆ–Š‡‘„Œ‡ ––‡•–‡†Ǣ d) the material; ‡Ȍ –Š‡–›’‡‘ˆŒ‘‹–Ǣ f) the material thickness; g) the welding process; h) an acceptance criteria; i) the imperfections exceeding the acceptance criteria and their location; j) the extent of testing with reference to drawings as appropriate; k) the test devices used; l) the result of testing with reference to acceptance criteria; m) the name of tester and date of test. ‡Ž†•–Šƒ–Šƒ˜‡„‡‡–‡•–‡†ƒ†ƒ’’”‘˜‡†•Š‘—Ž†„‡•—‹–ƒ„Ž›ƒ”‡†‘”‹†‡–‹ϐ‹‡†Ǥ 4 © ISO 2016 – All rights reserved  ISO 17637:2016(E) If a permanent visual record of an examined weld is required, photographs or accurate sketches or both •Š‘—Ž†„‡ƒ†‡™‹–Šƒ›‹’‡”ˆ‡ –‹‘• Ž‡ƒ”Ž›‹†‹ ƒ–‡†Ǥ Normen-Download-Beuth-STILL GmbH-KdNr.71296-LfNr.7794403001-2017-01-13 16:21 © ISO 2016 – All rights reserved 5  ISO 17637:2016(E) Annex A (informative) Examples of test equipment A.1 Š‡ˆ‘ŽŽ‘™‹‰‹•ƒŽ‹•–‘ˆ‡“—‹’‡––›’‹ ƒŽŽ›—•‡†ˆ‘” ƒ””›‹‰‘—–˜‹•—ƒŽ–‡•–•‘ˆ™‡Ž†‡†Œ‘‹–•Ǥ A.1.1 Straight edge or measuring tapeǡ™‹–Šƒ‰”ƒ†—ƒ–‹‘‘ˆͳ‘”ϐ‹‡”Ǥ A.1.2 Vernier calliper, in accordance with ISO 13385. A.1.3 Feeler gaugeǡ™‹–Šƒ•—ˆϐ‹ ‹‡–—„‡”‘ˆˆ‡‡Ž‡”•–‘‡ƒ•—”‡†‹‡•‹‘•„‡–™‡‡Ͳǡͳƒ† 3 mm in steps of 0,1 mm at most. A.1.4 Radius gauge. A.1.5 Magnifying lensǡ™‹–Šƒƒ‰‹ϐ‹ ƒ–‹‘‘ˆέʹ–‘έͷǢ–Š‡Ž‡••Š‘—Ž†’”‡ˆ‡”ƒ„Ž›Šƒ˜‡ƒ• ƒŽ‡ȋ•‡‡ ISO 3058). A.1.6 Lamps. A.2 Š‡ˆ‘ŽŽ‘™‹‰‡“—‹’‡–ƒ›ƒŽ•‘„‡‡‡†‡†Ǥ ǤʹǤͳ ”‘ϐ‹Ž‡ ‡ƒ•—”‹‰ †‡˜‹ ‡ǡ ™‹–Š ƒ ™‹”‡ †‹ƒ‡–‡” ‘” ™‹†–Š ζͳ ǡ ™Š‡”‡ ‡ƒ Š ™‹”‡ ‡† ‹• rounded. A.2.2 Material for impression of weldsǡ‡Ǥ‰Ǥ ‘Ž†•‡––‹‰’Žƒ•–‹ ‘” Žƒ›Ǥ A.2.3 ‘”˜‹•—ƒŽ‹•’‡ –‹‘‘ˆ™‡Ž†•™‹–ŠŽ‹‹–‡†ƒ ‡••‹„‹Ž‹–›ǡ‹””‘”•ǡ‡†‘• ‘’‡•ǡ„‘”‘• ‘’‡•ǡϐ‹„”‡ ‘’–‹ •‘”Ǧ ƒ‡”ƒ•ƒ›„‡—•‡†Ǥ Normen-Download-Beuth-STILL GmbH-KdNr.71296-LfNr.7794403001-2017-01-13 16:21 A.2.4 Other measurement devicesǡ ‡Ǥ‰Ǥ •’‡ ‹ϐ‹ ƒŽŽ› †‡•‹‰‡† ™‡Ž†‹‰ ‰ƒ—‰‡•ǡ Š‡‹‰Š–Ȁ†‡’–Š ‰ƒ—‰‡•ǡ rulers or protractors. A.3 ›’‹ ƒŽ‡ƒ•—”‡‡–†‡˜‹ ‡•ƒ†‰ƒ—‰‡•ƒ”‡Ž‹•–‡†‹†‡–ƒ‹Ž‹Table A.1.  Š‡•‡†‡˜‹ ‡•ƒ†‰ƒ—‰‡•ƒ”‡‹ Ž—†‡†ƒ•‡šƒ’Ž‡•‘ˆ–‡•–‹‰‡“—‹’‡–Ǥ‘‡‘ˆ–Š‡†‡•‹‰•ƒ›„‡ registered designs or the subject of patents. 6 © ISO 2016 – All rights reserved  Table A.1 — Measuring instruments and weld gauges — Measuring ranges and reading accuracy Type of weld Included Measuring Reading Permissible or Weld gauge Description Fillet weld Butt weld range accuracy deviation of ϐ‹ŽŽ‡–ƒ‰Ž‡ included or Concave Convex ϐ‹ŽŽ‡–ƒ‰Ž‡ Flat weld mm mm degrees weld weld Simple weld gauge x x — x 3 to 15 γͲǡͷ 90 Small ƒȌ‡ƒ•—”‡•ϐ‹ŽŽ‡–™‡Ž† from 3 mm to 15 mm thickness. The gauge is © ISO 2016 – All rights reserved ’Žƒ ‡†„›–Š‡ —”˜‡† part in the fusion faces so as to have three points of contact with the work piece and the ϐ‹ŽŽ‡–™‡Ž†Ǥ b) Measures butt welds reinforcement with the straight part. Because the gauges ‘•‹•–‘ˆ”‡Žƒ–‹˜‡Ž› •‘ˆ–ƒŽ—‹‹—ǡ–Š‡› ™‡ƒ”‘—–”ƒ’‹†Ž›Ǥ Set of welding gauges x x — — 3 to 12 According 90 None to fan part ‡ƒ•—”‡•ϐ‹ŽŽ‡–™‡Ž†• from 3 mm to 12 mm thickness; from 3 mm to 7 mm: graduations of 0,5 mm; above 8 mm, 10 mm and 12 mm. The ‰ƒ—‰‡‡ƒ•—”‡•„› using the principle of three-point contact. Weld gauge with x x — x 0 to 20 0,1 90 None Vernier ‡ƒ•—”‡•ϐ‹ŽŽ‡–™‡Ž†•Ǣ also reinforcement of butt welds can be determined. The legs of the gauge are so formed that included angles of 60°, 70°, 80° and 90° of V- and single-V butt weld with broad face can be measured. Slight deviations from these Ž‡ƒ†–‘•‹‰‹ϐ‹ ƒ–‡””‘”•Ǥ ISO 17637:2016(E) 7 Normen-Download-Beuth-STILL GmbH-KdNr.71296-LfNr.7794403001-2017-01-13 16:21  8 Table A.1 (continued) Type of weld Included Measuring Reading Permissible or Weld gauge Description Fillet weld Butt weld range accuracy deviation of ϐ‹ŽŽ‡–ƒ‰Ž‡ included or Concave Convex ϐ‹ŽŽ‡–ƒ‰Ž‡ Flat weld mm mm degrees weld weld Self-made weld gauge x — — — 0 to 20 0,2 90 None Measures 7 throat ISO 17637:2016(E) –Š‹ ‡••‡•‘ˆϐ‹ŽŽ‡– welds with an included angle of 90°. Three-scale weld x x x x 0 to 15 0,1 90 Small gauge Measures throat thickness and leg length. Can also measure weld reinforcement of butt ™‡Ž†•Ǥƒ•›–‘—•‡ǤŽ•‘ appropriate for ƒ•›‡–”‹ ϐ‹ŽŽ‡–™‡Ž†•Ǥ Gauge for checking — — — — — — — — ’”‘ϐ‹Ž‡‘ˆϐ‹ŽŽ‡–™‡Ž†• Š‡ ‹‰–Š‡’”‘ϐ‹Ž‡‘ˆ one shape for one size ‘ˆϐ‹ŽŽ‡–™‡Ž†•ǤŠ‹• –›’‡‘ˆ‰ƒ—‰‡‡‡†• one model for each size ‘ˆϐ‹ŽŽ‡–™‡Ž†Ǥ Multi-purpose gauge x x x x 0 to 50 0,3 0 to 45 None (angle of Measures angle of bevel) bevel, leg length of ϐ‹ŽŽ‡–™‡Ž†ǡ—†‡” —–ǡ misalignment, throat thickness and weld reinforcement. © ISO 2016 – All rights reserved Normen-Download-Beuth-STILL GmbH-KdNr.71296-LfNr.7794403001-2017-01-13 16:21  Table A.1 (continued) Type of weld Included Measuring Reading Permissible or Weld gauge Description Fillet weld Butt weld range accuracy deviation of ϐ‹ŽŽ‡–ƒ‰Ž‡ included or Concave Convex ϐ‹ŽŽ‡–ƒ‰Ž‡ Flat weld mm mm degrees weld weld Universal weld gauge x x x x 0 to 30 0,1 — ±25 % Measurement tasks: Ȅϐ‹ŽŽ‡–™‡Ž†•ǣ•Šƒ’‡ and dimensions. © ISO 2016 – All rights reserved — butt welds: misalignment of plates, joint preparation (angle width), weld reinforcement, weld width, undercuts. Gap gauge — — — x 0 to 6 0,1 — — Measures the width of gaps. Hook gauge for — — — x 0 to 100 0,05 — — misalignment Measures the misalignment of the preparation for butt welds on plates and pipes. Universal butt weld x x x x 0 to 30 0,1 — ±25 % gauge Measures the preparation and the ϐ‹‹•Š‡†„—––™‡Ž†Ǥ 1 angle of bevel 2 width of root gap 3 weld reinforcement 4 width of weld surface 5 depth of undercut 6 diameter of consumables ISO 17637:2016(E) 9 Normen-Download-Beuth-STILL GmbH-KdNr.71296-LfNr.7794403001-2017-01-13 16:21  ISO 17637:2016(E) Bibliography ISO 3058, ‘Ǧ†‡•–”— –‹˜‡–‡•–‹‰Ȅ‹†•–‘˜‹•—ƒŽ‹•’‡ –‹‘Ȅ‡Ž‡ –‹‘‘ˆŽ‘™Ǧ’‘™‡”ƒ‰‹ϔ‹‡”• ISO 5817, Welding — Fusion-welded joints in steel, nickel, titanium and their alloys (beam welding excluded) — Quality levels for imperfections ISO 9712, ‘Ǧ†‡•–”— –‹˜‡–‡•–‹‰Ȅ—ƒŽ‹ϔ‹ ƒ–‹‘ƒ† ‡”–‹ϔ‹ ƒ–‹‘‘ˆ’‡”•‘‡Ž ISO 10042, Welding — Arc-welded joints in aluminium and its alloys — Quality levels for imperfections ISO 13385 (all parts), ‡‘‡–”‹ ƒŽ ’”‘†— – •’‡ ‹ϔ‹ ƒ–‹‘• ȋ Ȍ Ȅ ‹‡•‹‘ƒŽ ‡ƒ•—”‹‰ equipment ISO 17635, Non-destructive testing of welds — General rules for metallic materials Normen-Download-Beuth-STILL GmbH-KdNr.71296-LfNr.7794403001-2017-01-13 16:21 10 © ISO 2016 – All rights reserved Normen-Download-Beuth-STILL GmbH-KdNr.71296-LfNr.7794403001-2017-01-13 16:21 Normen-Download-Beuth-STILL GmbH-KdNr.71296-LfNr.7794403001-2017-01-13 16:21 ISO 17637:2016(E) ౧ʹͷǤͳ͸ͲǤͶͲ Price based on 10 pages © ISO 2016 – All rights reserved