1、_SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising theref
2、rom, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be revised, reaffirmed, stabilized, or cancelled. SAE invites your written comments and suggestions.Copyright 2012 SAE International All rights reserved. No part of this pub
3、lication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of SAE. TO PLACE A DOCUMENT ORDER: Tel: 877-606-7323 (inside USA and Canada) Tel: +1 724-776-4970
4、(outside USA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.orgSAE values your input. To provide feedback on this Technical Report, please visit http:/www.sae.org/technical/standards/ARP1631AAEROSPACERECOMMENDEDPRACTICEARP1631 REV. A Issued 1984-10 Revised 2007-11 Re
5、affirmed 2012-10 Superseding ARP1631 Manufacturing Sequence for Fabrication of High-Strength Steel Parts 300M or 4340 Modified Low-Alloy Steels 270,000 psi (1860 MPa) Tensile Strength and Higher RATIONALEARP1631A has been reaffirmed to comply with the SAE five-year review policy. SAE ARP1631A Page 2 of 12 SAE ARP1631A Page 3 of 12 SAE ARP1631A Page 4 of 12 SAE ARP1631A Page 5 of 12 SAE ARP1631A Page 6 of 12 SAE ARP1631A Page 7 of 12 SAE ARP1631A Page 8 of 12 SAE ARP1631A Page 9 of 12 SAE ARP1631A Page 10 of 12 SAE ARP1631A Page 11 of 12 SAE ARP1631A Page 12 of 12
