ISO INTERNATIONAL STANDARD 2738 Third edition 1999-11-01 Sintered metal materials, excluding hardmetals Permeable sintered metal materials Determination of density, oil content and open porosity Materiaux métalliques frittés, a I'exclusion des métaux-dursMatériaux metalliques frittes permeables-Détermination de la massevolumique, de la teneur en huile et de la porosité ouverte ISO Reference number ISO2738:1999(E) THS unde Not for Resale ISO 2738:1999(E) Foreword ISO(theInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies(lSoO member bodies). The work of preparing International Standards is normally carried out through IsO technical liaison with ISO, also take part in the work. iSsO collaborates closely with the International Electrotechnical Commission(lEC)onallmattersofelectrotechnicalstandardization. International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 3. International Standard ISO 2738 was prepared by Technical Committee ISO/TC 119, Powder metallurgy, Subcommittee Sc 3, Sampling and testing methods for sintered metal materials (excluding hardmetals). Thisthirdeditioncancelsandreplacesthesecondedition(lSO2738:1987)whichhasbeentechnicallyrevised @ISO1999 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic nternationalOrganizationforStandardization Casepostale56·CH-1211Geneve20·Switzerland Internet [email protected] Printed in Switzerland ational Organization for Standardizatior INTERNATIONALSTANDARD @ISO ISO2738:1999(E) Sintered metal materials, excluding hardmetals Permeable sintered metal materials Determination of density, oil content and open porosity 1 Scope This international Standard specifies methods of determining the density, oil content and open porosity of permeable sintered metal materials. powders. 2 Normative references The following normative documents contain provisions which, through reference in this text, constitute provisions of this International Standard. For dated references, subsequent amendments to, or revisions of, any of these undated references, the latest edition of the normative document referred to applies. Members of ISO and IEC maintain registers of currently valid International Standards. ISO758, Liquid chemical productsfor industrial useDetermination of densityat 20C. IsO 13944,Lubricated metal-powder mixes—Determination of lubricant content Modified Soxhlet extraction method. national Organization for Standardizatior