ISO INTERNATIONAL STANDARD 1927-7 First edition 2012-12-01 Monolithic (unshaped) refractory products - Part 7: Tests on pre-formed shapes Produits réfractaires monolithiques (non faconnés) - Partie 7: Essais sur pieces pre-formées Reference number IS0 1927-7:2012(E) ISO @IS02012 ted without license from IHS Not for Resale IS0 1927-7:2012(E) COPYRIGHT PROTECTED DOCUMENT IS0 2012 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either IsO at the addressbeloworIso'smemberbodyinthecountryoftherequester. ISO copyright office Case postale 56 : CH-1211 Geneva 20 Tel.+41227490111 Fax + 41 22 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland @ IS0 2012 - All rights reserved Not for Resale IS0 1927-7:2012(E) Contents Page Foreword ..iv 1 Scope .1 2 Normative references 3 Terms and definitions 4 Principle 5 Apparatus. ..4 6 Inspection by attributes .6 6.1 Preparation of the test piece .6 6.2 Measurement of dimensions. ..6 6.3 Measurement of angles. .6 6.4 Measurement of warpage 6.5 Measurement of corner defects .8 6.6 Measurement of edge defects. 6.7 Measurement of craters and bubbles .10 6.8 Measurement of cracks. .11 6.9 Measurement of protrusions and indentations. ..11 6.10 Measurement of fins. .12 6.11 ..12 Segregations 6.12 Friability .12 7 Inspection by variables ..12 7.1 Destructive test methods .12 7.2 Non-destructive test methods ..14 8 Test report. .19 Bibliography .21 Sta iii ded by IHS under lic cense with ISt ed without license from IHS Not for Resale