1、AEROSPACE STANDARD UNION, TUBE END, EXTERNAL THREAD TO WELD, SHORT FLARELESS AS4693Copyright 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, reco
2、rding, 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 1992-05REAFFIRMED 2004-07 REVISED 2013-1
3、0THIRD ANGLE PROJECTION CUSTODIAN: G-3/G-3B REV.DFEDERAL SUPPLY CLASS 4730 AS4693SHEET 1 OF 3REV. DPROCUREMENT SPECIFICATION: AS1576 /4/SAE Technical Standards Board Rules provide that: “This report ispublishedby SAE toadvance thestate of technicalandengineering sciences. Theuse ofthis report is ent
4、irely voluntary, 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 berevised, reaffirmed, stabilized, orcancelled. SAE invit
5、es yourwrittencomments andsuggestions. SAE values your input. To provide feedbackon this Technical Report, please visit http:/www.sae.org/technical/standards/AS4693DRATIONALE REVISED ACTIVATION DATE FOR PRI-QPL-AS1576. FIGURE 1 - UNION, TUBE END TABLE 1 - DIMENSIONS AND WEIGHTS PART NO. (NOMINAL TUB
6、E SIZE) (NOMINALTUBE WALL) WELD END STYLE /8/ T THREAD PER AS8879 CLASS 3A A B.010 C D.002 E F G H+.005/-.010K.010LB/EA APPROX REF AS4693T20-070 AS4693V20-070 AS4693T24-074 AS4693Y24-040 1.250 1.250 1.500 1.500 .070 .070 .074 .040 BBBB1.5625-12 UNJ1.5625-12 UNJ1.8125-12 UNJ1.8125-12 UNJ1.2431.2431.3
7、561.356.300 .300 .350 .350 1.3181.3181.4311.4311.1041.1041.3461.4141.093 1.093 1.344 1.344 .135 .095 .135 .075 .075 .075 .075 .055 1.625 1.625 1.875 1.875 1.6051.6051.8551.855.144 .252 .196 .353 AEROSPACE STANDARD AS4693SHEET 2 OF 3REV. DUNION, TUBE END, EXTERNAL THREAD TO WELD, SHORT FLARELESS NOTE
8、S: NOTICE THIS DOCUMENT REFERENCES A PART WHICH CONTAINS CADMIUM AS A PLATING MATERIAL. CONSULT LOCAL OFFICIALS IF YOU HAVE QUESTIONS CONCERNING CADMIUMS USE. /1/ MATERIAL: a. CODE LETTER T - TYPE 6AL-4V TITANIUM ALLOY BAR PER AMS4928 b. CODE LETTER V - TYPE 15-5PH CORROSION RESISTANT STEEL BAR PER
9、AMS5659 c. CODE LETTER Y - TYPE 718 NICKEL ALLOY BAR PER AMS5662 2. HEAT TREATMENT: a. MATERIAL CODE LETTER T - NONE b. MATERIAL CODE LETTER V - HEAT TREAT TO CONDITION H1075 PER AMS2759/3 c. MATERIAL CODE LETTER Y - AFTER MACHINING, PRECIPITATION HEAT TREAT TO MEET THE REQUIREMENTS OF AMS5663 3. FI
10、NISH: ALL MATERIAL CODES - NONE. /4/ PROCUREMENT SPECIFICATION: AS1576 EXCEPT AS SPECIFIED ON THIS STANDARD. PRODUCT SUPPLIED TO THIS SPECIFICATION SHALL BE MANUFACTURED BY AN ACCREDITED MANUFACTURER AS LISTED IN THE PERFORMANCE REVIEW INSTITUTE (PRI) QUALIFIED PRODUCTS LIST PRI-QPL-AS1576 FOR THIS
11、STANDARD. SEE www.eAuditN FOR CURRENT QPL ONLINE. THIS QPL REQUIREMENT SHALL BE IN EFFECT FOR PURCHASE ORDERS PLACED ON OR AFTER JULY 1, 2014. SUPPLIERS SEEKING LISTING ON THE INITIAL QPL MUST APPLY TO PRI FOR APPROVAL NO LATER THAN JANUARY 1, 2014. UNTIL THE QPL IS IN EFFECT, USERS OF THIS STANDARD
12、 ARE ADVISED TO CONTROL SOURCE APPROVALS. TRANSITION TO PRI-QPL SHALL BE COMPLETED BY JULY 1, 2014. 5. CLEANING: a. CODE LETTER T AND V - CLEAN AND NITRIC-HYDROFLUORIC ETCH PER PROCUREMENT SPECIFICATION b. CODE LETTER Y - VAPOR DEGREASE OR ALKALINE CLEAN 6. PACKAGING: INDIVIDUALLY PACKAGE IN CLEAN C
13、ONTAINER WITH IDENTIFICATION PER PROCUREMENT SPECIFICATION. /7/ IDENTIFICATION AT LOCATION SHOWN: MARK PER AS478 CLASS C OR D OR METHOD 7A3, 15A3, OR 15B, OR TRADEMARK, BASIC PART NUMBER, AND MATERIAL CODE LETTER. /8/ THIS PART IS DESIGNED FOR USE IN SYSTEMS WITH OPERATING PRESSURES AS FOLLOWS: a. S
14、IZE -20 AND -24 TITANIUM ALLOY AND CORROSION RESISTANT STEEL AND -20 NICKEL ALLOY AT 3000 PSI B. SIZE -24 NICKEL ALLOY AT 600 PSI 9. SURFACE TEXTURE: SYMBOLS PER ASME Y14.36M. REQUIREMENTS PER ASME B46.1. UNLESS OTHERWISE SPECIFIED, MACHINED SURFACES TO BE 125 MICROINCHES Ra. 10. BREAK EDGES .003 TO
15、 .015 UNLESS OTHERWISE SPECIFIED. HEX CORNER ROUNDING OF PARTS MACHINED FROM ROUND BAR SHALL NOT EXCEED LIMITS OF ARP1942. AEROSPACE STANDARD AS4693SHEET 3 OF 3REV. DUNION, TUBE END, EXTERNAL THREAD TO WELD, SHORT FLARELESS 11. DIMENSIONING AND TOLERANCING: ASME Y14.5M-1994 12. DIMENSIONS IN INCHES.
16、 UNLESS OTHERWISE SPECIFIED, TOLERANCES: LINEAR DIMENSIONS .005, ANGULAR DIMENSIONS 5 DEGREES. /13/ EXAMPLE OF PART NUMBER: 14. 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 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.
