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 2017 SAE InternationalAll rights reserved. No part of this publi
3、cation 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 (out
4、side USA)Fax: 724-776-0790Email: CustomerServicesae.orgSAE WEB ADDRESS: http:/www.sae.orgSAE values your input. To provide feedback on thisTechnical Report, please visithttp:/standards.sae.org/AS7112/3AAEROSPACESTANDARDAS7112/3 REV. AIssued 2003-12Cancelled 2017-06Superseded by PRI AC7112/3Nadcap Re
5、quirements for Couplings and Formed Sheet Metal ComponentsRATIONALEAS7112/3A is being cancelled and superseded by PRI AC7112/3.CANCELLATION NOTICEThis document has been declared “CANCELLED“ as of June 2017 and has been superseded by PRI AC7112/3. By this action, this document will remain listed in t
6、he Numerical Section of the Aerospace Standards Index noting that it is superseded by PRI AC7112/3. Cancelled specifications are available from SAE.g20g17g3 g54g38g50g51g40g29g3g3g55g75g76g86g3g36g72g85g82g86g83g68g70g72g3g54g87g68g81g71g68g85g71g3g11g36g54g12g3g76g86g3g87g82g3g69g72g3g88g86g72g71g3
7、g68g86g3g68g3g86g88g83g83g79g72g80g72g81g87g3g87g82g3g54g36g40g3g36g54g26g20g20g21g17g3g3g44g81g3g68g71g71g76g87g76g82g81g3g87g82g3g87g75g72g3g85g72g84g88g76g85g72g80g72g81g87g86g3g70g82g81g87g68g76g81g72g71g3g76g81g3g36g54g26g20g20g21g15g3g87g75g72g3g85g72g84g88g76g85g72g80g72g81g87g86g3g70g82g81g8
8、7g68g76g81g72g71g3g75g72g85g72g76g81g3g86g75g68g79g79g3g68g83g83g79g92g3g87g82g3g86g88g83g83g79g76g72g85g86g3g86g72g72g78g76g81g74g3g49g68g71g70g68g83g3g41g79g88g76g71g3g54g92g86g87g72g80g3g38g82g80g83g82g81g72g81g87g86g3g36g70g70g85g72g71g76g87g68g87g76g82g81g3g73g82g85g3g87g75g72g3g80g68g81g88g73g
9、68g70g87g88g85g72g3g82g73g3g38g82g88g83g79g76g81g74g86g3g68g81g71g3g73g82g85g80g72g71g3g54g75g72g72g87g3g48g72g87g68g79g3g38g82g80g83g82g81g72g81g87g86g17g3g21g17g3 g53g40g41g40g53g40g49g38g40g54g29g3g21g17g20g3 g54g36g40g3g51g88g69g79g76g70g68g87g76g82g81g86g29g3g3g36g89g68g76g79g68g69g79g72g3g73g8
10、5g82g80g3g54g36g40g15g3g23g19g19g3g38g82g80g80g82g81g90g72g68g79g87g75g3g39g85g76g89g72g15g3g58g68g85g85g72g81g71g68g79g72g3g51g36g3g3g20g24g19g28g25g16g19g19g19g20g17g3g36g54g26g20g20g21g3 g49g68g71g70g68g83g3g41g79g88g76g71g3g54g92g86g87g72g80g3g38g82g80g83g82g81g72g81g87g86g3g48g68g81g88g73g68g70
11、g87g88g85g76g81g74g3g53g72g84g88g76g85g72g80g72g81g87g86g3g21g17g21g3 g51g53g44g3g51g88g69g79g76g70g68g87g76g82g81g86g29g3g3g36g89g68g76g79g68g69g79g72g3g73g85g82g80g3g51g72g85g73g82g85g80g68g81g70g72g3g53g72g89g76g72g90g3g44g81g86g87g76g87g88g87g72g15g3g20g25g20g3g55g75g82g85g81g75g76g79g79g3g53g82
12、g68g71g15g3g58g68g85g85g72g81g71g68g79g72g15g3g51g36g3g20g24g19g27g25g16g26g24g21g26g17g3g36g38g26g20g20g21g3 g49g68g71g70g68g83g3g41g79g88g76g71g86g3g54g92g86g87g72g80g86g3g48g68g81g88g73g68g70g87g88g85g72g85g86g3g36g88g71g76g87g3g38g85g76g87g72g85g76g68g3g22g17g3 g58g50g53g46g3g44g49g54g55g53g56g3
13、8g55g44g50g49g54g29g3g22g17g20g3 g55g75g72g85g72g3g86g75g68g79g79g3g69g72g3g83g85g82g83g72g85g79g92g3g76g71g72g81g87g76g73g76g72g71g3g68g81g71g3g85g72g73g72g85g72g81g70g72g71g3g90g82g85g78g3g76g81g86g87g85g88g70g87g76g82g81g86g3g73g82g85g3g87g75g72g3g80g68g81g88g73g68g70g87g88g85g72g3g82g73g3g87g75g
14、72g3g83g85g82g71g88g70g87g11g86g12g17g3g22g17g21g3 g58g82g85g78g3g76g81g86g87g85g88g70g87g76g82g81g86g3g86g75g68g79g79g3g69g72g3g68g89g68g76g79g68g69g79g72g3g68g87g3g87g75g72g3g83g82g76g81g87g3g82g73g3g88g86g72g17g3g22g17g22g3 g40g84g88g76g83g80g72g81g87g3g87g82g3g69g72g3g88g86g72g71g3g86g75g68g79g7
15、9g3g69g72g3g71g72g73g76g81g72g71g17g3_SAE INTERNATIONAL AS7112/3A 1 of 6g3g23g17g3 g53g36g58g3g48g36g55g40g53g44g36g47g29g3g23g17g20g3 g55g75g72g85g72g3g86g75g68g79g79g3g69g72g3g68g3g70g79g72g68g85g79g92g3g76g71g72g81g87g76g73g76g72g71g3g68g81g71g3g85g72g73g72g85g72g81g70g72g71g3g83g85g82g70g88g85g7
16、2g80g72g81g87g3g86g83g72g70g76g73g76g70g68g87g76g82g81g17g3g23g17g21g3 g55g75g72g3g83g85g82g70g88g85g72g80g72g81g87g3g86g83g72g70g76g73g76g70g68g87g76g82g81g3g86g75g68g79g79g3g83g85g82g89g76g71g72g3g73g82g85g3g79g82g87g3g76g71g72g81g87g76g73g76g70g68g87g76g82g81g17g3g23g17g22g3 g36g83g83g79g76g70g68
17、g69g79g72g3g75g68g81g71g79g76g81g74g3g68g81g71g3g86g87g82g85g68g74g72g3g85g72g84g88g76g85g72g80g72g81g87g86g3g86g75g68g79g79g3g69g72g3g73g82g79g79g82g90g72g71g17g3g23g17g23g3 g51g88g85g70g75g68g86g72g3g82g85g71g72g85g3g85g72g84g88g76g85g72g80g72g81g87g86g3g86g75g68g79g79g3g69g72g3g71g72g73g76g81g72g
18、71g3g73g82g85g3g70g72g85g87g76g73g76g70g68g87g76g82g81g3g69g92g3g87g75g72g3g85g68g90g3g80g68g87g72g85g76g68g79g3g86g88g83g83g79g76g72g85g3g68g86g3g68g83g83g79g76g70g68g69g79g72g17g3g68g17g3 g38g75g72g80g76g70g68g79g18g83g75g92g86g76g70g68g79g3g83g85g82g83g72g85g87g76g72g86g3g69g17g3 g43g72g68g87g3g7
19、9g82g87g3g70g17g3 g54g88g85g73g68g70g72g3g87g85g72g68g87g80g72g81g87g3g71g17g3 g36g3g70g82g83g92g3g82g73g3g70g72g85g87g76g73g76g70g68g87g76g82g81g3g82g85g3g82g87g75g72g85g3g87g85g68g70g72g68g69g76g79g76g87g92g3g76g71g72g81g87g76g73g76g70g68g87g76g82g81g3g86g75g68g79g79g3g69g72g3g68g87g87g68g70g75g72
20、g71g3g87g82g3g82g85g3g80g68g76g81g87g68g76g81g72g71g3g3g90g76g87g75g3g80g68g87g72g85g76g68g79g3g87g75g85g82g88g74g75g82g88g87g3g76g87g86g3g83g85g82g70g72g86g86g76g81g74g3g87g82g3g83g85g72g70g79g88g71g72g3g70g82g16g80g76g81g74g79g76g81g74g3g68g81g71g3g80g68g76g81g87g68g76g81g3g79g82g87g3g87g85g68g70g
21、72g68g69g76g79g76g87g92g34g3g24g17g3 g41g36g37g53g44g38g36g55g44g50g49g3g50g41g3g38g50g48g51g50g49g40g49g55g3g51g36g53g55g54g29g3g24g17g20g3 g55g75g72g3g80g68g81g88g73g68g70g87g88g85g72g85g3g86g75g68g79g79g3g75g68g89g72g3g70g82g81g87g85g82g79g79g72g71g3g71g72g86g76g74g81g3g86g87g68g81g71g68g85g71g11
22、g86g12g18g71g85g68g90g76g81g74g11g86g12g3g73g82g85g3g70g82g80g83g82g81g72g81g87g3g83g68g85g87g86g17g3g24g17g21g3 g55g75g72g3g71g72g86g76g74g81g3g86g87g68g81g71g68g85g71g18g71g85g68g90g76g81g74g3g86g75g68g79g79g3g69g72g3g87g85g68g70g72g68g69g79g72g3g87g82g3g87g75g72g3g179g68g86g3g84g88g68g79g76g73g76
23、g72g71g180g3g68g86g86g72g80g69g79g92g17g3g24g17g22g3 g44g73g3g73g68g69g85g76g70g68g87g76g82g81g3g76g86g3g87g82g3g68g3g71g72g87g68g76g79g72g71g3g76g81g71g88g86g87g85g92g18g70g88g86g87g82g80g72g85g3g86g87g68g81g71g68g85g71g15g3g82g85g3g79g76g70g72g81g86g72g15g3g87g75g72g3g71g72g86g76g74g81g3g86g87g68g
24、81g71g68g85g71g18g71g85g68g90g76g81g74g3g86g75g68g79g79g3g69g72g3g87g85g68g70g72g68g69g79g72g3g87g82g3g87g75g72g3g86g82g88g85g70g72g3g71g72g86g76g74g81g17g3g24g17g23g3 g55g75g72g85g72g3g86g75g68g79g79g3g69g72g3g71g82g70g88g80g72g81g87g72g71g3g83g85g82g70g72g71g88g85g72g86g3g73g82g85g3g80g68g70g75g76
25、g81g76g81g74g18g73g82g85g80g76g81g74g3g11g85g82g79g79g76g81g74g15g3g73g79g68g85g76g81g74g15g3g69g72g68g71g76g81g74g15g3g79g76g81g72g68g85g3g82g85g3g68g91g76g68g79g3g86g90g68g74g76g81g74g15g3g90g72g79g71g76g81g74g15g3g72g87g70g17g12g17g3g3g51g85g82g70g72g71g88g85g72g86g3g86g75g68g79g79g3g68g71g71g85g
26、72g86g86g29g3g68g17g3 g54g72g84g88g72g81g70g72g3g82g73g3g82g83g72g85g68g87g76g82g81g86g3g69g17g3 g55g82g82g79g76g81g74g3g70g17g3 g47g88g69g85g76g70g68g81g87g11g86g12g18g38g82g82g79g68g81g87g11g86g12g3g71g17g3 g38g79g72g68g81g76g81g74g3g73g82g85g3g77g82g76g81g76g81g74g3g11g40g51g36g3g70g82g80g83g79g7
27、6g68g81g70g72g12g3g24g17g24g3 g44g81g86g83g72g70g87g76g82g81g3g70g85g76g87g72g85g76g68g3g86g75g68g79g79g3g69g72g3g72g86g87g68g69g79g76g86g75g72g71g17g3_SAE INTERNATIONAL AS7112/3A 2 of 6g3g25g17g3 g41g36g37g53g44g38g36g55g44g50g49g3g50g41g3g55g43g53g40g36g39g54g29g3g25g17g20g3 g55g75g72g85g72g3g86g7
28、5g68g79g79g3g69g72g3g71g82g70g88g80g72g81g87g72g71g3g83g85g82g70g72g71g88g85g72g86g3g73g82g85g3g68g79g79g3g87g75g85g72g68g71g3g73g82g85g80g76g81g74g3g82g83g72g85g68g87g76g82g81g86g17g3g25g17g21g3 g58g85g76g87g87g72g81g3g76g81g86g87g85g88g70g87g76g82g81g86g3g86g75g68g79g79g3g71g72g86g76g74g81g68g87g7
29、2g3g87g75g72g3g87g82g82g79g76g81g74g3g87g82g3g69g72g3g88g86g72g71g17g3g25g17g22g3 g44g81g86g83g72g70g87g76g82g81g3g74g68g74g76g81g74g3g86g75g68g79g79g3g69g72g3g79g76g86g87g72g71g17g3g25g17g23g3 g55g75g72g3g76g81g86g83g72g70g87g76g82g81g3g76g81g87g72g85g89g68g79g3g86g75g68g79g79g3g69g72g3g79g76g86g87
30、g72g71g17g3g25g17g23g17g20g3 g39g76g80g72g81g86g76g82g81g68g79g3g72g89g68g79g88g68g87g76g82g81g86g3g86g75g68g79g79g3g69g72g3g83g72g85g73g82g85g80g72g71g3g82g81g3g87g75g72g3g73g76g85g86g87g3g83g76g72g70g72g3g68g81g71g3g68g87g3g72g86g87g68g69g79g76g86g75g72g71g3g76g81g87g72g85g89g68g79g86g17g3g25g17g2
31、4g3 g55g75g72g3g76g81g86g83g72g70g87g76g82g81g3g74g68g74g76g81g74g3g76g81g86g87g85g88g70g87g76g82g81g86g3g86g75g68g79g79g3g69g72g3g68g71g72g84g88g68g87g72g17g3g25g17g25g3 g55g75g72g3g75g72g68g87g76g81g74g3g80g72g87g75g82g71g3g86g75g68g79g79g3g69g72g3g76g81g70g79g88g71g72g71g3g76g81g3g76g81g86g87g85g
32、88g70g87g76g82g81g86g3g90g75g72g81g3g75g82g87g3g73g82g85g80g76g81g74g17g3g25g17g26g3 g55g75g72g85g72g3g86g75g68g79g79g3g69g72g3g68g3g80g72g87g75g82g71g3g82g73g3g70g82g81g87g85g82g79g79g76g81g74g3g75g72g68g87g76g81g74g3g87g72g80g83g72g85g68g87g88g85g72g17g3g25g17g27g3 g58g75g72g81g3g75g72g68g87g3g76g
33、86g3g85g72g84g88g76g85g72g71g15g3g76g81g86g87g85g88g70g87g76g82g81g86g3g86g75g68g79g79g3g79g76g86g87g3g80g68g91g76g80g88g80g3g87g72g80g83g72g85g68g87g88g85g72g3g83g72g85g80g76g87g87g72g71g3g73g82g85g3g72g68g70g75g3g80g68g87g72g85g76g68g79g17g3g25g17g28g3 g48g72g87g68g79g79g88g85g74g76g70g68g79g3g72g
34、89g68g79g88g68g87g76g82g81g3g86g75g68g79g79g3g69g72g3g83g72g85g73g82g85g80g72g71g3g82g81g3g87g75g72g3g73g76g85g86g87g3g83g76g72g70g72g3g68g81g71g3g68g87g3g72g86g87g68g69g79g76g86g75g72g71g3g76g81g87g72g85g89g68g79g86g17g3g25g17g20g19g3 g53g72g70g82g85g71g86g3g86g75g68g79g79g3g85g72g73g79g72g70g87g3g
35、80g72g87g68g79g79g88g85g74g76g70g68g79g3g68g81g71g3g71g76g80g72g81g86g76g82g81g68g79g3g72g89g68g79g88g68g87g76g82g81g86g17g3g25g17g20g20g3 g51g85g82g70g72g71g88g85g72g86g3g73g82g85g3g70g82g81g87g85g82g79g79g76g81g74g3g87g75g72g3g80g68g81g88g73g68g70g87g88g85g76g81g74g3g82g83g72g85g68g87g76g82g81g86g
36、3g68g81g71g3g79g68g69g3g68g81g68g79g92g86g76g86g3g82g81g3g75g72g68g87g72g71g3g73g82g85g80g72g71g3g83g68g85g87g86g3g73g82g85g3g80g72g87g68g79g79g88g85g74g76g70g68g79g3g68g81g71g3g71g76g80g72g81g86g76g82g81g68g79g3g70g82g81g87g85g82g79g3g86g75g68g79g79g3g69g72g3g73g82g85g80g68g79g76g93g72g71g3g68g81g7
37、1g3g68g83g83g85g82g89g72g71g17g3g25g17g20g21g3 g58g82g85g78g3g76g81g86g87g85g88g70g87g76g82g81g86g3g86g75g68g79g79g3g86g83g72g70g76g73g92g3g87g75g72g3g87g75g85g72g68g71g3g86g72g85g76g72g86g3g76g81g3g73g68g69g85g76g70g68g87g76g82g81g17g3g25g17g20g22g3 g56g49g45g41g18g56g49g41g3g55g75g85g72g68g71g3g54
38、g72g85g76g72g86g29g3g25g17g20g22g17g20g3 g57g68g85g76g68g69g79g72g3g87g75g85g72g68g71g3g74g68g74g72g86g3g86g75g68g79g79g3g69g72g3g88g86g72g71g3g87g82g3g80g72g68g86g88g85g72g3g87g75g72g3g83g76g87g70g75g3g68g81g71g3g73g88g81g70g87g76g82g81g68g79g3g71g76g68g80g72g87g72g85g86g17g3g25g17g20g22g17g21g3 g5
39、5g75g72g3g80g76g81g82g85g3g71g76g68g80g72g87g72g85g3g86g75g68g79g79g3g69g72g3g80g72g68g86g88g85g72g71g17g3g25g17g20g22g17g22g3 g41g82g85g3g72g91g87g72g85g81g68g79g3g87g75g85g72g68g71g86g15g3g87g75g72g3g80g68g77g82g85g3g71g76g68g80g72g87g72g85g3g86g75g68g79g79g3g69g72g3g80g72g68g86g88g85g72g71g17g3g2
40、5g17g20g22g17g23g3 g55g75g72g3g85g82g82g87g3g85g68g71g76g88g86g3g86g75g68g79g79g3g69g72g3g80g72g68g86g88g85g72g71g3g11g72g91g87g72g85g81g68g79g3g87g75g85g72g68g71g86g3g56g49g45g41g3g86g72g85g76g72g86g12g17g3_SAE INTERNATIONAL AS7112/3A 3 of 6g3g25g17g20g22g17g24g3 g41g82g85g3g86g68g73g72g87g92g3g70g
41、85g76g87g76g70g68g79g3g87g75g85g72g68g71g86g15g3g87g75g72g3g73g82g79g79g82g90g76g81g74g3g80g72g68g86g88g85g72g80g72g81g87g86g3g86g75g68g79g79g3g69g72g3g87g68g78g72g81g29g3g68g17g3 g41g79g68g81g78g3g69g17g3 g47g72g68g71g3g11g76g81g70g79g88g71g76g81g74g3g75g72g79g76g91g3g89g68g85g76g68g87g76g82g81g12g
42、3g70g17g3 g41g88g81g70g87g76g82g81g68g79g18g83g76g87g70g75g3g71g76g73g73g72g85g72g81g87g76g68g79g3g76g81g3g79g76g72g88g3g82g73g3g36g49g51g55g3g85g72g84g88g76g85g72g80g72g81g87g86g17g3g71g17g3 g38g76g85g70g88g79g68g85g76g87g92g3g72g17g3 g55g68g83g72g85g3g73g17g3 g53g88g81g16g82g88g87g3g74g17g3 g54g88
43、g85g73g68g70g72g3g73g76g81g76g86g75g3g25g17g20g22g17g25g3 g41g82g85g3g70g82g68g87g72g71g18g83g79g68g87g72g71g3g87g75g85g72g68g71g86g15g3g87g75g72g3g83g85g72g16g83g79g68g87g72g71g3g87g75g85g72g68g71g3g83g76g87g70g75g3g71g76g68g80g72g87g72g85g3g86g75g68g79g79g3g69g72g3g90g76g87g75g76g81g3g87g75g72g3g6
44、8g79g79g82g90g68g69g79g72g3g79g76g80g76g87g86g3g68g86g3g71g72g73g76g81g72g71g3g76g81g3g36g54g27g27g26g28g17g3g25g17g20g22g17g26g3 g41g82g85g3g70g82g68g87g72g71g18g83g79g68g87g72g71g3g87g75g85g72g68g71g86g15g3g87g75g72g3g83g76g87g70g75g18g73g88g81g70g87g76g82g81g68g79g3g71g76g68g80g72g87g72g85g86g3g8
45、6g75g68g79g79g3g69g72g3g90g76g87g75g76g81g3g87g82g79g72g85g68g81g70g72g3g68g73g87g72g85g3g70g82g68g87g76g81g74g18g83g79g68g87g76g81g74g17g3g25g17g20g22g17g27g3 g44g73g3g54g51g38g3g76g86g3g85g72g84g88g76g85g72g71g3g82g81g3g87g75g85g72g68g71g86g15g3g87g75g72g85g72g3g86g75g68g79g79g3g69g72g3g72g89g76g7
46、1g72g81g70g72g3g82g73g3g71g68g87g68g3g82g81g3g87g75g85g72g68g71g3g78g72g92g3g70g75g68g85g68g70g87g72g85g76g86g87g76g70g86g17g3g25g17g20g23g3 g36g49g51g55g3g55g75g85g72g68g71g3g54g72g85g76g72g86g29g3g25g17g20g23g17g20g3 g47g20g15g3g47g21g15g3g68g81g71g3g47g22g3g85g76g81g74g18g83g79g88g74g3g74g68g74g7
47、2g86g3g86g75g68g79g79g3g69g72g3g88g86g72g71g3g87g82g3g89g72g85g76g73g92g3g83g76g83g72g3g87g75g85g72g68g71g3g70g82g81g73g82g85g80g68g81g70g72g17g3g25g17g20g23g17g21g3 g55g75g72g3g73g76g81g76g86g75g3g82g73g3g87g75g72g3g87g75g85g72g68g71g86g3g86g75g68g79g79g3g69g72g3g89g72g85g76g73g76g72g71g3g73g82g85g
48、3g70g82g81g73g82g85g80g68g81g70g72g3g87g82g3g86g83g72g70g76g73g76g70g68g87g76g82g81g18g71g85g68g90g76g81g74g3g85g72g84g88g76g85g72g80g72g81g87g86g3g68g81g71g3g73g85g72g72g3g73g85g82g80g3g70g75g68g87g87g72g85g15g3g73g79g68g90g86g15g3g69g79g82g90g3g75g82g79g72g86g15g3g68g81g71g3g68g69g85g88g83g87g3g87g72g85g80g76g81g68g87g76g82g81g86g17g3g26g17g3 g42g53g44g49g39g44g49g42g15g3g39g53g44g47g47g44g49g42g15g3g37g53g50g36g38g43g44g49g42g3g36g49g39g3g54g55g36g4
