1、 AEROSPACE STANDARD FITTING, ELBOW, 90 , BEAM SEAL, 3000/4000 PSI, MALE TO MALE AS85421/12Copyright 2015 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, photocopyin
2、g, 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 2001-05REVISED 2008-01 REAFFIRMED
3、 2015-04THIRD ANGLE PROJECTION CUSTODIAN: G-3 REV.C FEDERAL SUPPLY CLASS 4730AS85421/12 SHEET 1 OF 3 REV. C PROCUREMENT SPECIFICATION: AS85421 /4/SAE Technical Standards Board Rules provide that: “This report ispublishedby SAE toadvance thestate of technicalandengineering sciences. Theuse ofthisrepo
4、rtis entirelyvoluntary, andits applicability and suitability forany particular use,including any patent infringement arising therefrom, is thesole responsibilityoftheuser.”SAE reviews eachtechnicalreport at least every five years at which time itmay berevised,reaffirmed, stabilized, orcancelled. SAE
5、 invites yourwrittencomments andsuggestions. SAE values your input. To provide feedbackon this Technical Report, please visit http:/www.sae.org/technical/standards/AS85421/12C RATIONALE AS85421/12C HAS BEEN REAFFIRMED TO COMPLY WITH THE SAE FIVE-YEAR REVIEW POLICY. FIGURE 1 AEROSPACE STANDARD AS8542
6、1/12 SHEET 2 OF 3 REV. C FITTING, ELBOW, 90 , BEAM SEAL, 3000/4000 PSI, MALE TO MALE TABLE 1 - DIMENSIONAL DATA MASS,. LB/EA, APPROX, REF DASH NO. TUBE OD T THREAD AS8879 A B (REF) C RAD (REF) E RAD (MIN) TI CRES -03 .188 .3750-28UNJS-3A .575 .375 .188 .042 .017 .030 -04 .250 .4375-24UNJS-3A .617 .3
7、75 .188 .042 .019 .034 -05 .312 .5000-24UNJS-3A .653 .438 .219 .042 .026 .047 -06 .375 .5625-20UNJS-3A .704 .500 .250 .042 .033 .059 -08 .500 .7188-20UNJS-3A .824 .562 .281 .070 .055 .097 -10 .625 .8438-18UNJS-3A .955 .688 .344 .070 .080 .141 -12 .750 1.0000-16UNJ-3A 1.062 .875 .438 .098 .121 .214 -
8、14 .875 1.1250-16UNJ-3A 1.216 1.125 .563 .098 .226 .400 -16 1.000 1.2500-14UNJS-3A 1.246 1.125 .563 .098 .210 .372 -20 1.250 1.5781-14UNJS-3A 1.387 1.375 .688 .098 .330 .584 -24 1.500 1.8438-14UNJS-3A 1.688 1.625 .813 .098 .561 .992 SIZES -20 AND -24 WERE ORIGINALLY DESIGNATED AS SIZES -21 AND -25 O
9、N SOME MANUFACTURERS DRAWINGS. THESE SIZES WILL NOT CONNECT WITH THE ORIGINAL -20 AND -24 FITTINGS. SEE 6.4 IN THE PROCUREMENT SPECIFICATION FOR ADDITIONAL INFORMATION. NOTES: /1/ MATERIAL: a. CODE LETTER P - TYPE 17-4PH CORROSION RESISTANT STEEL PER AMS 5643. b. CODE LETTER T - TYPE 6AL-4V TITANIUM
10、 ALLOY BAR PER AMS 4928 OR AMS 4965. c. CODE LETTER V - TYPE 15-5PH, CORROSION RESISTANT STEEL PER AMS 5659. 2. HEAT TREATMENT: a. MATERIAL CODE LETTER P - CONDITION H1075 PER AMS 2759/3. b. MATERIAL CODE LETTER T - NONE. c. MATERIAL CODE LETTER V - AGE TO CONDITION H 1075 PER AMS-H-6875 OR AMS 2759
11、/3. 3. FINISH: a. MATERIAL CODE LETTER P - PASSIVATE PER AMS 2700, TYPE 6 OR 7. b. MATERIAL CODE LETTER T - NONE. c. MATERIAL CODE LETTER V - PASSIVATE PER AMS 2700, TYPE 6 OR 7. /4/ PROCUREMENT SPECIFICATION: AS85421 EXCEPT AS SPECIFIED ON THIS STANDARD. PRODUCT SUPPLIED TO THIS SPECIFICATION SHALL
12、 BE MANUFACTURED BY AN ACCREDITED MANUFACTURER LISTED IN THE PERFORMANCE REVIEW INSTITUTE (PRI) QUALIFIED PRODUCTS LIST (QPL) PRI-QPL-AS85421 FOR THIS STANDARD. SEE WW.EAUDITNET.COM FOR CURRENT QPL ON-LINE. /5/ IDENTIFICATION AT LOCATION SHOWN: MARK PER AS478 CLASS C OR D, OR METHOD 7A3, 15A3, OR 15
13、B. a. FOR SIZES 06 AND SMALLER: MANUFACTURERS NAME, CAGE CODE OR TRADEMARK, LETTERS “AS” AND MATERIAL CODE LETTER, AND FORGING MANUFACTURERS IDENTIFICATION WHEN MADE FROM FORGING. b. FOR SIZES 08 AND LARGER: MANUFACTURERS NAME, CAGE CODE OR TRADEMARK, BASIC PART NUMBER AND MATERIAL CODE LETTER, AND
14、FORGING MANUFACTURERS IDENTIFICATION WHEN MADE FROM FORGING. AEROSPACE STANDARD AS85421/12 SHEET 3 OF 3 REV. C FITTING, ELBOW, 90 , BEAM SEAL, 3000/4000 PSI, MALE TO MALE 6. INVENTORIED PARTS CONFORMING TO THE PREVIOUS “LETTER CHANGE” MAY BE USED TO DEPLETION. 7. INTENDED USE: THIS PART IS DESIGNED
15、FOR USE IN SYSTEMS WITH MAXIMUM OPERATING PRESSURES AS FOLLOWS: a. CORROSION RESISTANT STEEL AT 3000 psi. b. TITANIUM ALLOY AT 4000 psi. /8/ .030 MIN. RADIUS UNLESS QUALIFICATION OF SPECIAL PROCESS WITH SMALLER RADIUS, APPLICABLE FOR TITANIUM ALLOY PARTS ONLY. 9. DRY FILM LUBRICANT: APPLY DRY FILM L
16、UBRICANT PER AS5272, TYPE I TO SEALING SURFACE. OVERSPRAY IN BORE IS NOT PERMITTED. 10. INTERPRETATION OF DRAWING PER ARP4296. 11. SURFACE TEXTURE: SYMBOLS PER ASME Y14.36M; REQUIREMENTS PER ASME B46.1. UNLESS OTHERWISE SPECIFIED, MACHINED SURFACES TO BE 125 in Ra. FORGED SURFACES MAY BE 250 in Ra.
17、12. BREAK EDGES .003 TO .015 UNLESS OTHERWISE SPECIFIED. 13. DIMENSIONING AND TOLERANCING: ASME Y14.5M-1994. 14. DIMENSIONS IN INCHES. UNLESS OTHERWISE SPECIFIED, TOLERANCES: LINEAR DIMENSIONS +.015, ANGULAR DIMENSIONS +0 30 15. EXAMPLE OF PART NUMBER: AS85421/12 V 06 SIZE CODE, TUBE SIZE IN SIXTEEN
18、THS IN .0625 INCREMENTS MATERIAL CODE LETTER /1/ BASIC PART NUMBER 16. IN THE EVENT OF CONFLICT BETWEEN THE TEXT OF THIS DOCUMENT AND THE REFERENCES CITED HEREIN, THE TEXT OF THIS DOCUMENT TAKES PRECEDENCE. NOTHING IN THIS DOCUMENT, HOWEVER, SUPERSEDES APPLICABLE LAWS AND REGULATIONS UNLESS A SPECIF
19、IC EXEMPTION HAS BEEN OBTAINED. 17. TITANIUM IS NOT RECOMMENDED FOR USE IN GASEOUS OR LIQUID OXYGEN SYSTEMS. 18. THE CHANGE BAR ( l ) 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.
