1、AEROSPACE STANDARD ELBOW, 90 DEGREE, REDUCER AND STANDARD, REDUCED BODY, FLARELESS AS4131Copyright 2013 SAE International All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying
2、 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: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org ISSUED 1992-11REVISED 2013-08THIRD ANGLE
3、PROJECTION CUSTODIAN: G-3/G-3B REV.BFEDERAL SUPPLY CLASS 4730 AS4131SHEET 1 OF 4REV. BPROCUREMENT SPECIFICATION: /4/ AS18280SAE Technical Standards Board Rules provide that: “This report ispublishedby SAE toadvance thestate of technicalandengineering sciences. Theuse ofthis report is entirely volunt
4、ary, andits applicability and suitability forany particular use,including any patent infringement arising therefrom, isthe soleresponsibilityofthe user.”SAE reviews eachtechnicalreport at least every five years at which time itmay bereaffirmed, revised, orcancelled. SAE invites yourwrittencomments a
5、ndsuggestions. SAE values your input. To provide feedbackon this Technical Report, please visit http:/www.sae.org/technical/standards/AS4131BRATIONALE THE PRI-QPL NOTE AND CADMIUM WARNING NOTE HAVE BEEN REVISED. CLARIFICATIONS TO PASSIVATION NOTE AND INTENDED USE NOTE HAVE BEEN ADDED, AND UPDATES MA
6、DE. FIGURE 1 ELBOW, 90 DEGREE, REDUCED BODY, FLARELESS AEROSPACE STANDARD AS4131SHEET 2 OF 4REV. BELBOW, 90 DEGREE, REDUCER AND STANDARD, REDUCED BODY, FLARELESS TABLE 1 DIMENSIONS AND WEIGHTS BASIC NO. AS4131/18/SIZE CODE HMIN J P.030 LB/EAAPPROX REF CRESLB/EAAPPROX REF TI04 .050 .390 .030 .041 .02
7、3 05 .050 .453 .159 .056 .031 06 .050 .453 .137 .058 .033 08 .050 .577 .140 .104 .059 10 .070 .702 .157 .181 .110 12 .080 .890 .166 .278 .160 16 .090 1.140 .174 .426 .245 20 .110 1.390 .071 .917 .532 24 .130 1.640 - 1.216 .704 TABLE 2 FITTING END SIZECODE TUBE OD T THREAD PER AS8879 CLASS 3A D E 04
8、250 .4375-20UNJF .371 .350 05 .313 .5000-20UNJF .371 .412 06 .375 .5625-18UNJF .379 .453 08 .500 .7500-16UNJF .461 .577 10 .625 .8750-14UNJF .511 .702 12 .750 1.0625-12UNJ .556 .890 16 1.000 1.3125-12UNJ .556 1.140 20 1.250 1.6250-12UNJ .556 1.39024 1.500 1.8750-12UNJ .556 1.640 TABLE 3 LEG LENGTH
9、A FORGING SIZE 04 05 06 08 10 12 16 20 24 04 .898 - - - - - - - -05 .961 .961 - - - - - - - 06 1.039 1.039 1.055 - - - - - -08 1.164 1.164 1.180 1.273 - - - - -10 1.258 1.258 1.274 1.367 1.430 - - - - 12 1.351 1.351 1.367 1.460 1.523 1.586 - - -16 1.507 1.507 1.523 1.616 1.679 1.742 1.742 - -20 1.66
10、3 1.663 1.679 1.772 1.835 1.898 1.898 1.898 - 24 1.788 1.788 1.804 1.897 1.960 2.023 2.023 2.023 2.023AEROSPACE STANDARD AS4131SHEET 3 OF 4REV. BELBOW, 90 DEGREE, REDUCER AND STANDARD, REDUCED BODY, FLARELESS NOTES: NOTICE THIS DOCUMENT REFERENCES A PART WHICH CONTAINS CADMIUM AS A PLATING MATERIAL.
11、 CONSULT LOCAL OFFICIALS IF YOU HAVE QUESTIONS CONCERNING CADMIUMS USE. /1/ MATERIAL a. CODE LETTER J: TYPE 304 CORROSION RESISTANT STEEL PER AMS5639 b. CODE LETTER T: TYPE 6A-L4V TITANIUM ALLOY PER AMS4928 c. CODE LETTER V: TYPE 15-5PH CORROSION RESISTANT STEEL PER AMS5659 2. HEAT TREATMENT a. MATE
12、RIAL CODE LETTER J: NONE b. MATERIAL CODE LETTER T: NONE c. MATERIAL CODE LETTER V: HEAT TREAT TO CONDITION H-1075 PER AMS2759/3 /3/ FINISH a. MATERIAL CODE LETTER J: PASSIVATE PER AMS2700 TYPE 6 OR 7 b. MATERIAL CODE LETTER T: FLUORIDE PHOSPHATE CONVERSION COAT PER AMS2486 c. MATERIAL CODE LETTER V
13、 (1) NO SUFFIX FINISH CODE LETTER: PASSIVATE PER AMS2700 TYPE 2 OR 8 (2) SUFFIX FINISH CODE LETTER “P”; CADMIUM PLATE PER AMS-QQ-P-416, TYPE II, CLASS 2 /4/ PROCUREMENT SPECIFICATION: AS18280 UNLESS SPECIFIED OTHERWISE ON THIS STANDARD. PRODUCT SUPPLIED TO THIS SPECIFICATION SHALL BE MANUFACTURED B
14、Y AN ACCREDITED MANUFACTURER AS LISTED IN THE PERFORMANCE REVIEW INSTITUTE (PRI) QUALIFIED PRODUCTS LIST (QPL) PRI-QPL-AS18280 FOR THIS STANDARD. SEE HTTP:/WWW.EAUDITNET.COMFOR CURRENT QPL ONLINE. /5/ IDENTIFICATION AT LOCATION SHOWN: MARK PER AS478 CLASS C OR D OR METHOD 7A3, 15A3, OR 15B. a. FOR S
15、IZES 06 (.375 OD TUBE SIZE) AND SMALLER: MANUFACTURERS NAME, CAGE CODE OR TRADEMARK, LETTERS “AS”, MATERIAL CODE LETTER AND FORGING MANUFACTURERS IDENTIFICATION WHEN MADE FROM FORGING b. FOR SIZES 08 (.500 OD TUBE SIZE) AND LARGER: MANUFACTURERS NAME, CAGE CODE OR TRADEMARK, BASIC PART NUMBER, MATER
16、IAL CODE LETTER AND FORGING MANUFACTURERS IDENTIFICATION WHEN MADE FROM FORGING 6. THIS PART IS INTENDED FOR USE IN SYSTEMS WITH OPERATING PRESSURES AS FOLLOWS: a. SIZES -04 THRU -16 AT 3000 psi b. SIZES -20 AND -24 AT 1500 psi NOTE: OPERATING PRESSURES HAVE BEEN CHANGED FROM 4000 PSI AND 2000 PSI T
17、O 3000 PSI AND 1500 PSI TO COMPLY WITH AS18280 SYSTEM PRESSURE REQUIREMENTS. USERS OF THIS STANDARD FOR 4000 PSI SYSTEM APPLICATIONS ARE ADVISED TO CONTROL SOURCE APPROVAL BY STANDARD PAGE SUPPLEMENT OR SIMILAR MEANS. 7. WHEN MACHINED FROM BAR OR OVERSIZED FORGING, THE CENTER BODY SECTION SHALL CONF
18、ORM TO AS1376, TABLE 2. /8/ RADIUS APPLICABLE TO TITANIUM PARTS ONLY. 9. BREAK EDGES .003 TO .015 UNLESS OTHERWISE SPECIFIED. 10. THIS PART IS A REDUCED BODY VERSION OF MS21904 IF NONREDUCER, OR AS1004 IF REDUCER. /11/ SPECIFY END SIZES IN THIS ORDER: PORT #1 IS LARGER OR EQUAL TO PORT #2. AEROSPACE
19、 STANDARD AS4131SHEET 4 OF 4REV. BELBOW, 90 DEGREE, REDUCER AND STANDARD, REDUCED BODY, FLARELESS 12. LARGEST END DETERMINES FORGING SIZE. /13/ APPLICABLE ONLY TO REDUCERS AND SIZE 04 AND 05 NONREDUCERS. 14. INTERPRETATION OF DRAWING PER ARP4296. 15. SURFACE TEXTURE: SYMBOLS PER ASME Y14.36M; REQUIR
20、EMENTS PER ASME B46.1. UNLESS OTHERWISE SPECIFIED, MACHINED SURFACES TO BE 125 in Ra. 16. DIMENSIONS AND TOLERANCING: ANSI Y14.5M-1982 17. DIMENSIONS IN INCHES. UNLESS OTHERWISE SPECIFIED, TOLERANCES: LINEAR DIMENSIONS .016, ANGULAR DIMENSIONS .5 DEGREES. /18/ EXAMPLE OF PART NUMBER: 19. A CHANGE BA
21、R (|) LOCATED IN THE LEFT MARGIN IS FOR THE CONVENIENCE OF THE USER IN LOCATING AREAS WHERE TECHNICAL REVISIONS, NOT EDITORIAL CHANGES HAVE BEEN MADE TO THE PREVIOUS ISSUE OF THIS DOCUMENT. AN (R) SYMBOL TO THE LEFT OF THE DOCUMENT TITLE INDICATES A COMPLETE REVISION OF THE DOCUMENT, INCLUDING TECHNICAL REVISIONS. CHANGE BARS AND (R) ARE NOT USED IN ORIGINAL PUBLICATIONS NOR IN DOCUMENTS THAT CONTAIN EDITORIAL CHANGES ONLY.
