The summary of multiple imperfections shows a theoretical possibility of

The summary of multiple imperfections shows a

This preview shows page 34 - 36 out of 36 pages.

the fundamental cornerstones of a quality management system for use in the production of welded structures. The summary of multiple imperfections shows a theoretical possibility of superimposed individual imperfections. In such a case, the total summation of all permitted deviations shall be restricted by the stipulated values for the different imperfections, i.e., the limit value of a single imperfection u h , e.g., for a single pore, shall not be exceeded. This International Standard may be used in conjunction with a catalogue of realistic illustrations showing the size of the permissible imperfections for the various quality levels, by means of photographs showing the face and root side and/or reproductions of radiographs and of photomacrographs showing the cross-section of the weld. An example of such a catalogue is given with “Reference radiographs for the assessment of weld imperfections in accordance with ISO 5817”, published by International Institute of Welding (IIW) and Deutscher Verlag für Schweißen und verwandte Verfahren, Düsseldorf. This catalogue may be used with reference cards to assess the various imperfections and may also be used when opinions differ as to the permissible size of imperfections. EN ISO 5817:2007 Licensed copy:PONTYPRIDD COLLEGE, 12/01/2008, Uncontrolled Copy, © BSI
Image of page 34
25 Bibliography [1] ISO 17635, Non-destructive examination of welds — General rules for fusion welds in metallic materials EN ISO 5817:2007 Licensed copy:PONTYPRIDD COLLEGE, 12/01/2008, Uncontrolled Copy, © BSI
Image of page 35
BS EN ISO 5817:2007 BSI 389 Chiswick High Road London W4 4AL BSI — British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions British Standards are updated by amendment or revision. Users of British Standards should make sure that they possess the latest amendments or editions. It is the constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover. Tel: +44 (0)20 8996 9000. Fax: +44 (0)20 8996 7400. BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. Buying standards Orders for all BSI, international and foreign standards publications should be addressed to Customer Services. Tel: +44 (0)20 8996 9001. Fax: +44 (0)20 8996 7001. Email: [email protected] Standards are also available from the BSI website at . In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as British Standards, unless otherwise requested.
Image of page 36

You've reached the end of your free preview.

Want to read all 36 pages?

  • Spring '20
  • International Organization for Standardization

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern

Stuck? We have tutors online 24/7 who can help you get unstuck.
A+ icon
Ask Expert Tutors You can ask You can ask You can ask (will expire )
Answers in as fast as 15 minutes
A+ icon
Ask Expert Tutors