BS-7079-A3-2002 ISO-8501-3-2001.pdf
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1、BRITISH STANDARD BS 7079-A3:2002 ISO 8501-3:2001 Preparation of steel substrates before application of paints and related products Group A: Visual assessment of surface cleanliness Part A3: Preparation grades of welds, cut edges and other areas with surface imperfections ICS 25.220.10 NO COPYING WIT
2、HOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 11:01:02 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 7079-A3:2002 This British Standard, having been prepared under the direction of the Materials and Chem
3、icals Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 21 January 2002 BSI 21 January 2002 ISBN 0 580 38901 4 National foreword This British Standard reproduces verbatim ISO 8501-3:2001 and implements it as the UK national stan
4、dard. The UK participation in its preparation was entrusted to Technical Committee STI/21, Surface preparation of steel, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which im
5、plement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not pu
6、rport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible intern
7、ational/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the ISO t
8、itle page, pages ii to iv, pages 1 to 5 and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 11:
9、01:02 GMT+00:00 2006, Uncontrolled Copy, (c) BSI INTERNATIONAL STANDARD ISO 8501-3 First edition 2001-12-01 Reference number ISO 8501-3:2001(E) Preparation of steel substrates before application of paints and related products Visual assessment of surface cleanliness Part 3: Preparation grades of wel
10、ds, cut edges and other areas with surface imperfections Prparation des subjectiles dacier avant application de peintures et de produits assimils valuation visuelle de la propret dun subjectile Partie 3: Degrs de prparation des soudures, artes de coupe et autres zones prsentant des imperfections BS
11、7079A3:2002 Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 11:01:02 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ISO -10582:3)E(100 ii DPF discliamer This FDP feli amy ctnonia ededdebm tyfep.seca In aroccecnad tiwh Asebod gnisnecil ycilop, thsi feli may be pritnd
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14、iusbael for ues by ISO mrebme seidob. In teh kilnuley evtne ttah a pborlme talerign to ti si f,dnuo saelpe ifnrom teh tneClar Stercearita ta the serddas givne olebw. BS 7079A3:2002 Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 11:01:02 GMT+00:00 2006, Uncontro
15、lled Copy, (c) BSI OSI -10581002:3)E( iii 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
16、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 Electr
17、otechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 3. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting.
18、Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this part of ISO 8501 may be the subject of patent rights. ISO shall not be held responsible for identifying any or all
19、such patent rights. International Standard ISO 8501-3 was prepared by Technical Committee ISO/TC 35,Paints and varnishes, Subcommittee SC 12,Preparation of steel substrates before application of paints and related products. ISO 8501 consists of the following parts, under the general titlePreparation
20、 of steel substrates before application of paints and related products Visual assessment of surface cleanliness: Part 1: Rust grades and preparation grades of uncoated steel substrates and of steel substrates after overall removal of previous coatings Informative supplement to part 1: Representative
21、 photographic examples of the change in appearance imparted to steel when blast-cleaned with different abrasives Part 2: Preparation grades of previously coated steel substrates after localized removal of previous coatings Part 3: Preparation grades of welds, cut edges and other areas with surface i
22、mperfections Part 4: Preparation grades of coated and uncoated steel substrates after removal of rust and previous coatings by high pressure water jetting Annex A of this part of ISO 8501 is for information only. BS 7079A3:2002 Licensed Copy: London South Bank University, London South Bank Universit
23、y, Fri Dec 08 11:01:02 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ISO -10582:3)E(100 iv Introduction The performance of protective coatings of paint and related products applied to steel is significantly affected by the state of the steel surface immediately prior to painting. The principal factors
24、that are known to influence this performance are: a)the presence of rust and mill scale; b)the presence of surface contaminants, including salts, dust, oils and greases; c)the surface profile. International Standards ISO 8501, ISO 8502 and ISO 8503 have been prepared to provide methods of assessing
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