ISO INTERNATIONAL STANDARD 20482 Second edition 2013-11-15 Metallic materials Sheet and strip Erichsen cupping test Matériaux métalliques -Toles et bandes -Essai d'emboutissage Erichsen Reference number ISO 20482:2013(E) IS02013 IS0 20482:2013(E) Contents Page Foreword ..iv 1 Scope .1 2 Normative references ..1 3 Terms and definitions 4 Symbols and designations 5 Principle 3 6 Testing equipment ..3 7 Test piece. ..3 8 Test conditions ..4 9 Procedure ..4 10 Testreport 4 Annex A (informative) Recommended composition of the graphite grease. .6 Bibliography .7 @ IS0 2013 - All rights reserved iii IS0 20482:2013(E) Foreword IIsO (the International Organization for Standardization) is a worldwidefederation 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. 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. www.iso.org/patents Any trade name used in this document is information given for the convenience of users and does not constituteanendorsement. The committee responsible for this document is ISo/TC 164, Mechanical testing of metals, Subcommittee SC 2, Ductility testing This second edition cancels and replaces the first edition (IS0 20482:2003), of which it constitutes a minor revision. iv @ IS0 2013 - All rights reserved