SAE AS 6231-2014 FITTING ADAPTER EXTERNAL THREAD SPHERICAL 37 LARED TO INTEGRAL WELD RING.pdf

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1、 AEROSPACE STANDARD FITTING, ADAPTER, EXTERNAL THREAD, SPHERICAL, 37 FLARED TO INTEGRAL WELD RING AS6231Copyright 2014 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, mechanica

2、l, 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: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org ISSUED 2014-12THIRD ANGLE

3、PROJECTION CUSTODIAN: G-3/G-3B FEDERAL SUPPLY CLASS 4730 AS6231 SHEET 1 OF 3 PROCUREMENT SPECIFICATION: /3/ AS4841SAE Technical Standards Board Rules provide that: “This report ispublished by SAE toadvance thestate of technicalandengineering sciences. Theuse ofthisreport is entirelyvoluntary, andits

4、 applicability and suitability forany particularuse,including any patent infringement arising therefrom, isthe soleresponsibilityofthe user.”SAE reviews eachtechnicalreport at least every five years at which time itmay berevised,reaffirmed, stabilized, orcancelled. SAE invites yourwrittencomments an

5、dsuggestions. SAE values your input. To provide feedbackon this Technical Report, please visit http:/www.sae.org/technical/standards/AS6231 RATIONALE THIS SAE AEROSPACE STANDARD IS INTENDED TO PROVIDE TECHNICAL AND DIMENSIONAL REQUIREMENTS FOR A NEW STRAIGHT COUPLING DEFINED BY AS5449 FITTING WELD E

6、ND AND AS5309 SPHERICAL FITTING END DESIGN. FIGURE 1 - FITTING, ADAPTER TABLE 1A - DIMENSIONS BASIC NO. AS6231 /14/ SIZE CODE NOMINAL TUBE SIZE T THREAD AS8879 (REF) A .005 B MIN C .01 D (REF) E .01 03 .188 .3750-24 UNJF .438 .499 .88 .409 .10 04 .250 .4375-20 UNJF .438 .499 .93 .550 .10 05 .312 .50

7、00-20 UNJF .500 .570 .95 .550 .10 06 .375 .5625-18 UNJF .625 .715 1.05 .556 .20 08 .500 .7500-16 UNJF .750 .859 1.11 .657 .20 10 .625 .8750-14 UNJF .875 1.003 1.20 .758 .20 12 .750 1.0625-12 UNJ 1.063 1.221 1.28 .864 .20 16 1.000 1.3125-12 UNJ 1.312 1.508 1.34 .911 .20 20 1.250 1.6250-12 UNJ 1.625 1

8、.869 1.40 .958 .20 24 1.500 1.8750-12 UNJ 1.875 2.158 1.53 1.083 .20 AEROSPACE STANDARD AS6231 SHEET 2 OF 3 FITTING, ADAPTER, EXTERNAL THREAD, SPHERICAL, 37 FLARED TO INTEGRAL WELD RING TABLE 1B - WEIGHTS BASIC NO.AS6231 /14/ SIZE CODE LB/EA APPROX REF NICKEL ALLOY LB/EA APPROX REF CRES LB/EA APPROX

9、 REF TITANIUM ALLOY 03 .016 .016 .008 04 .022 .021 .012 05 .028 .027 .015 06 .039 .037 .021 08 .074 .071 .039 10 .108 .103 .060 12 .165 .156 .087 16 .236 .224 .124 20 .358 .340 .189 24 .489 .465 .258 NOTES: /1/ MATERIAL: a. CODE LETTER N - TYPE 625 NICKEL ALLOY BAR PER AMS5666. b. CODE LETTER R - TY

10、PE 321 CORROSION RESISTANT STEEL FORGING OR BAR PER AMS5645. c. CODE LETTER T - TYPE 6Al - 4V TITANIUM ALLOY BAR PER AMS4928. /8/. 2. FINISH: a. MATERIAL CODE LETTER N - NONE b. MATERIAL CODE LETTER R - PASSIVATE PER AMS2700, TYPE 2 OR 8. c. MATERIAL CODE LETTER T - NONE /3/ PROCUREMENT SPECIFICATIO

11、N: AS4841 EXCEPT AS SPECIFIED ON THIS STANDARD. PRODUCT SUPPLIED TO THIS SPECIFICATION SHALL BE MANUFACTURED BY AN ACCREDITED MANUFACTURER LISTED IN THE NATIONAL AEROSPACE AND DEFENSE CONTRACTORS ACCREDITATION PROGRAM (NADCAP) QUALIFIED MANUFACTURER LIST (QML) FOR THIS PRODUCT TYPE. THE QML IS AVAIL

12、ABLE AT www.eAuditN. /4/ IDENTIFICATION AT LOCATION SHOWN: MARK PER AS478 CLASS C OR D, OR METHOD 7A3, 15A3, OR 15B. a. FOR SIZES 06 AND SMALLER: MANUFACTURERS NAME, CAGE CODE OR TRADEMARK, LETTERS “AS” AND MATERIAL CODE LETTER. b. FOR SIZES 08 AND LARGER: MANUFACTURERS NAME, CAGE CODE OR TRADEMARK,

13、 BASIC PART NUMBER AND MATERIAL CODE LETTER. 5. INTENDED USE: THIS PART IS DESIGNED FOR USE IN SYSTEMS WITH MAXIMUM OPERATING PRESSURES AS SHOWN IN TABLE 2, AS A GUIDELINE. THE MATERIAL, OPERATING TEMPERATURE, WALL THICKNESS OF THE TUBE AND FITTING ARE FACTORS IN THE PRESSURE RATING. AEROSPACE STAND

14、ARD AS6231 SHEET 3 OF 3 FITTING, ADAPTER, EXTERNAL THREAD, SPHERICAL, 37 FLARED TO INTEGRAL WELD RING TABLE 2 - OPERATING PRESSURES FOR ASSOCIATED MATERIAL TUBE END SIZE MATERIAL PSI 03-08 NICKEL ALLOY 3000 10-24 NICKEL ALLOY 1500 03-08 CORROSION RESISTANT STEEL 3000 10-24 CORROSION RESISTANT STEEL

15、1500 03-08 TITANIUM ALLOY 3000 10-24 TITANIUM ALLOY 1500 6. A 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 DOCUM

16、ENT 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. /7/ SUFFIX LETTER L: CODE L PARTS SHALL HAVE SAFETY WIRE HOLES PER AS1043 STYLE B, EXCEPT FOR -03 &

17、-04 SIZE FITTINGS DIMENSIONS B & C OF AS1043 SHALL BE B = .057 .005, C = .047 +.005/-.001. /8/ TITANIUM MATERIAL EXPOSED TO MANUFACTURING PROCESSES OR FLUIDS CONTAINING CHLORINE CONCENTRATIONS GREATER THAN 200 PPM SHALL BE CLEANED TO REMOVE CHLORINE RESIDUE. 9. INTERPRETATION OF DRAWING PER AS4296.

18、10. SURFACE TEXTURE: SYMBOLS PER ASME Y14.36M. REQUIREMENTS PER ASME B46.1. UNLESS OTHERWISE SPECIFIED, MACHINED SURFACES TO BE 125 MICROINCHES Ra. 11. BREAK EDGES .003 TO .015, EXCEPT LIMITS FROM DESIGN STANDARDS APPLY. 12. DIMENSIONING AND TOLERANCING: ASME Y14.5M-1994. /13/. TUBE WALL THICKNESS O

19、F .049 IS NOT AVAILABLE FOR SIZE 03, 04, AND 05. /14/ EXAMPLE OF PART NUMBER: AS6231 N 04 - 028 L BASIC PART NUMBER CODE LETTER FOR SAFETY WIRE HOLES. /7/ OMIT CODE LETTER WHEN SAFETY WIRE HOLESARE NOT REQUIRED. MATERIAL CODE LETTER /1/ SIZE CODE, TUBE SIZE IN TUBE WALL THICKNESS /13/ .0625 INCREMENTS .028, .035 OR .049