ISO INTERNATIONAL STANDARD 683-6 Fourth edition 2023-11 Heat-treatable steels, alloy steels and free-cutting steels - Part 6: Hot-rolled steels for quenched and tempered springs Aciers pour traitement thermique, aciers alliés et aciers pour decolletage Partie 6: Aciers laminés a chaud pour ressorts trempés et revenus Reference number ISO 683-6:2023(E) so @ ISO 2023 IS0 683-6:2023(E) COPYRIGHT PROTECTED DOCUMENT @IS02023 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 Email: [email protected] Website: www.iso.org Published in Switzerland ii @IS0 2023 - All rights reserved