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 reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions.Copyright 2013 SAE InternationalAll rights reserved. No part of this publication may b
3、e 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 (outside USA)Fax
4、: 724-776-0790Email: CustomerServicesae.orgSAE WEB ADDRESS: http:/www.sae.orgSAE values your input. To provide feedbackon this Technical Report, please visithttp:/www.sae.org/technical/standards/AMS3799/4CAEROSPACEMATERIALSPECIFICATIONAMS3799/4 REV. CIssued 1983-10Reaffirmed 2006-01Revised 2013-07Su
5、perseding AMS3799/4BWebbing, Tubular, Low Modulus Aramid3-3/16 (81) Wide, 2250 (10 008) Breaking StrengthRATIONALEAs a result of the normal 5 year review, this document has been determined to contain basic and stable technology which is not dynamic in nature. Any changes made are editorial in nature
6、.1. SCOPE1.1 FormThis specification covers one width and one breaking strength of low modulus aramid tubular webbing.1.2 ApplicationSee AMS3799.1.3 Classification3-3/16 inches (81 mm) wide low modulus aramid tubular webbing having 2250 pounds force (10 008 N) breaking strength.2. APPLICABLE DOCUMENT
7、SThe issue of the following documents in effect on the date of the purchase order forms a part of this specification to the extent specified herein. The supplier may work to a subsequent revision of a document unless a specific document issue is specified. When the referenced document has been cance
8、lled and no superseding document has been specified, the last published issue of that document shall apply.2.1 SAE PublicationsAvailable from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323 (inside USA and Canada) or 724-776-4970 (outside USA), www.sae.org.See
9、 AMS3799.SAE AMS3799/4C Page 2 of 33. TECHNICAL REQUIREMENTS3.1 Basic SpecificationThe complete requirements for procuring the tubular webbing described herein shall consist of this document and the latest issue of the basic specification, AMS3799.3.2 Construction and Properties3.2.1 YarnYarn used i
10、n weaving the webbing shall be low modulus aramid with a carbonization (char) temperature not lower than 671 F (355 C).3.2.1.1 Denier and Filament CountThe yarn shall be 200 denier 15 and shall consist of 100 filaments 10.3.2.1.2 PlyThe yarn shall be four ply.3.2.1.3 TwistThe final ply of yarn shall
11、 be twisted 2.5 to 2.8 turns per inch (25.4 mm).3.2.2 Webbing3.2.2.1 WeaveShall be tubular, plain, one up and one down.3.2.2.2 ColorShall be FED-STD-595 Sage Green 1565. The color shall be obtained by use of melt spun solution dyed yarn.3.2.2.3 WidthShall be 3.19 inches 0.06 (81.0 mm 1.5).3.2.2.4 Th
12、icknessShall not exceed 0.045 inch (1.14 mm).3.2.2.5 WeightShall not exceed 1.85 ounces per linear yard (57.4 g/m).3.2.2.6 Breaking StrengthShall be not less than 2250 pounds force (10 008 N) unaged and not less than 85% of the unaged strength after aging.SAE AMS3799/4C Page 3 of 33.2.2.7 Ultimate E
13、longationShall be not less than 12.0%.3.2.2.8 Thread CountWarp ends shall be not less than 309. Filling picks shall be not less than 60 per inch (25.4 mm).3.3 Length of Put-upWebbing shall be furnished in rolls containing 160 yards 10 (146 m 9). Not more than two pieces shall be contained in any one roll.4. QUALITY ASSURANCE PROVISIONSSee AMS3799.5. PREPARATION FOR DELIVERYSee AMS3799.6. ACKNOWLEDGMENTSee AMS3799.7. REJECTIONSSee AMS3799.8. NOTESSee AMS3799.PREPARED BY AMS COMMITTEE “P”
