ISO INTERNATIONAL STANDARD 5832-9 Third edition 2019-02 Implants for surgery Metallic materials - Part 9: Wrought high nitrogen stainless steel Implants chirurgicaux Matériaux métalliques - Partie 9: Acier inoxydable corroyé a haute teneur en azote Reference number IS0 5832-9:2019(E) so @ IS0 2019 IS0 5832-9:2019(E) COPYRIGHTPROTECTEDDOCUMENT @ ISO 2019 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either IsO at the address below or Iso's member body in the country of the requester. ISO copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +4122 749 0111 Fax: +41 22 749 09 47 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2019 - All rights reserved IS0 5832-9:2019(E) Contents Page Foreword ..iv Introduction. 1 Scope 2 Normative references 3 Terms and definitions 4 Chemical composition. 4.1 Test samples ..1 4.2 Cast analysis .2 5 Microstructure. .2 5.1 Grain size. . 2 5.2 Absence of foreign phases 5.3 Inclusion content. 2 6 Corrosion resistance. .3 7 Mechanical properties .3 7.1 Test pieces. .3 7.2 Tensiletest .3 8 Test methods. 4 @ IS0 2019 - All rights reserved iii