1、AEROSPACE STANDARD ELBOW, 90 UNIVERSAL, FLARELESS TUBE, HIGH PROFILE AS21925CCopyright 2008 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, recording,
2、 or otherwise, without the prior written permission of SAE. TO PLACE A DOCUMENT ORDER: Tel: 877-606-7323 (inside USA and Canada) Tel: 724-776-4970 (outside USA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org ISSUED 1998-07REAFFIRMED 2007-07 REVISED 2008-06 THIRD A
3、NGLE PROJECTION CUSTODIAN: SAE G-3/G-3B FEDERAL SUPPLY CLASS 4730 AS21925C SHEET 1 OF 4PROCUREMENT SPECIFICATION: /10/ AS18280SAE TechnicalStandards Board Rules provide that: “This report is published by SAE toadvance thestate of technical andengineering sciences. Theuse of thisreport is entirely vo
4、luntary, andits applicabilityandsuitability forany particularuse, including any patent infringement arising therefrom, is thesole responsibility oftheuser.” SAE reviews each technical report at least every five yearsat which time it may be reaffirmed, revised, orcancelled. SAE invites yourwritten co
5、mmentsandsuggestions. RATIONALE1. NOTE 12: NEW WORDING FOR PROCUREMENT NOTE. 2. WARNING NOTE ADDED FOR RESTRICTED MATERIAL. 3. THE 5 IN NOTE 5 AND TABLE 1 IS CHANGED TO /5/. 4. ERROR CORRECTIONS. 5. MADE INACTIVE FOR NEW DESIGN. FIGURE 1 - ELBOW, 90 UNIVERSAL, FLARELESS TUBE, HIGH PROFILE Copyright
6、SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AEROSPACE STANDARD ELBOW, 90 UNIVERSAL, FLARELESS TUBE, HIGH PROFILE AS21925C SHEET 2 OF 4TABLE 1A - DIMENSIONS K-U DASHNO./5/NOMINALTUBESIZET THREAD AS8879KMINF
7、ULLTHDM+.047-.000Q+.047-.000 R U -4 .250 .4375-20 UNJF-3A .81 1.756 .940 .218 .062 -5 .313 .5000-20 UNJF-3A .81 1.846 1.030 .250 .062 -6 .375 .5625-18 UNJF-3A .85 2.076 1.060 .281 .093 -8 .500 .7500-16 UNJF-3A 1.01 2.545 1.310 .375 .093 -10 .625 .8750-14 UNJF-3A 1.14 3.065 1.500 .437 .125 -12 .750 1
8、0625-12 UNJ-3A 1.25 3.375 1.620 .531 .125 -16 1.000 1.3125-12 UNJ-3A 1.25 3.755 1.720 .656 .125 -20 1.250 1.6250-12 UNJ-3A 1.25 4.335 2.000 .812 .187 TABLE 1B - DIMENSIONS V-Z WEIGHT, LB/EA, APPROX, REF. DASHNO./5/ V WAPPROX XAPPROX Y+.047-.000Z+.047-.000 STEELALALLOY TIALLOY -4 .437 .375 .250 .969
9、 1.790 .085 .031 .049 -5 .500 .500 .312 1.062 1.880 -6 .562 .500 .312 1.094 2.110 .148 .054 .085 -8 .750 .625 .438 1.344 2.580 .319 .117 .184 -10 .875 .750 .438 1.562 3.130 -12 1.060 .875 .500 1.719 3.470 -16 1.310 1.062 .625 1.812 3.850 1.203 .442 .694 -20 1.620 1.250 .750 2.125 4.460 NOTES: NOTICE
10、 THIS DOCUMENT REFERENCES A PART WHICH CONTAINS CADMIUM AS A PLATING MATERIAL. CONSULT LOCAL OFFICIALS IF YOU HAVE QUESTIONS CONCERNING CADMIUMS USE. 1. MATERAL: SEE PROCUREMENT SPECIFICATION. ALLOY STEEL ALUMINUM ALLOY CORROSION RESISTANT STEEL TITANIUM ALLOY 2. FINISH: SEE PROCUREMENT SPECIFICATIO
11、N. 3. BREAK EDGES .003 TO .015 UNLESS OTHERWISE SPECIFIED. 4. DIMENSIONS ARE IN INCHES. UNLESS OTHERWISE SPECIFIED, TOLERANCES: DECIMALS .016, ANGLES 030. Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-
12、AEROSPACE STANDARD ELBOW, 90 UNIVERSAL, FLARELESS TUBE, HIGH PROFILE AS21925C SHEET 3 OF 4/5/ PART NUMBER: DASH “-” IN PART NUMBER FOR 4130 ALLOY STEEL IS CANCELLED AND REPLACED, SEE TABLE 2 /A/ ADD “V(SIZE)P” IN PLACE OF DASH FOR CORROSION RESISTANT STEEL (15-5PH), CADMIUM PLATED ADD “V” IN PLA
13、CE OF DASH FOR CORROSION RESISTANT STEEL (15-5PH), NOT CADMIUM PLATED ADD “D” AFTER DASH NUMBER FOR ALUMINUM ALLOY (2014): CANCELLED AND REPLACED, SEE TABLE 2 /C/ ADD “W” IN PLACE OF DASH FOR ALUMINUM ALLOY (7075). ADD “J” IN PLACE OF DASH FOR CORROSION RESISTANT STEEL (TYPE 304). ADD “K” IN PLACE O
14、F DASH FOR CORROSION RESISTANT STEEL (TYPE 316). ADD “R” AFTER DASH NUMBER FOR CORROSION RESISTANT STEEL (TYPE 321). ADD “S” AFTER DASH NUMBER FOR CORROSION RESISTANT STEEL (TYPE 347): CANCELLED, SEE TABLE 2 /D/ ADD “T” AFTER DASH FOR TITANIUM ALLOY (6AL-4V). EXAMPLES OF PART NUMBERS: MS21925-4 ELBO
15、W, .250 TUBING, 4130 ALLOY STEEL IS CANCELLED AND REPLACED, SEE TABLE 2 /A/ MS21925V4P ELBOW, .250 TUBING, CORROSION RESISTANT STEEL (15-5PH), CADMIUM PLATED MS21925V4 ELBOW, .250 TUBING, CORROSION RESISTANT STEEL (15-5PH), NOT CADMIUM PLATED MS21925-4D ELBOW, .250 TUBING, ALUMINUM ALLOY (2014) IS C
16、ANCELLED AND REPLACED, SEE TABLE 2 /C/ MS21925W4 ELBOW, .250 TUBING, ALUMINUM ALLOY (7075). MS21925J4 ELBOW, .250 TUBING, CORROSION RESISTANT STEEL (TYPE 304). MS21925K4 ELBOW, .250 TUBING, CORROSION RESISTANT STEEL (TYPE 316). MS21925-4R ELBOW, .250 TUBING, CORROSION RESISTANT STEEL (TYPE 321). MS2
17、1925-4S ELBOW, .250 TUBING, CORROSION RESISTANT STEEL (TYPE 347) IS CANCELLED, SEE TABLE 2 /D/ MS21925-4T ELBOW, .250 TUBING, TITANIUM ALLOY (6AL-4V). 6. TITANIUM SHALL NOT BE USED FOR OXYGEN SYSTEMS. 7. INACTIVE FOR DESIGN IN BOSS INSTALLATIONS. 8. A CHANGE BAR ( l ) LOCATED IN THE LEFT MARGIN IS F
18、OR 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)
19、ARE NOT USED IN ORIGINAL PUBLICATIONS, NOR IN DOCUMENTS THAT CONTAIN EDITORIAL CHANGES ONLY. 9. SEE TABLE 2 FOR CANCELLED AND SUPERSEDED DOCUMENT AND PART NUMBERS. 10. REFERENCED DOCUMENTS SHALL BE OF THE ISSUE IN EFFECT ON DATE OF INVITATIONS FOR BID. 11. IN THE EVENT OF A CONFLICT BETWEEN THE TEXT
20、 OF THIS STANDARD AND THE REFERENCES CITED HEREIN, THE TEXT OF THIS STANDARD SHALL TAKE PRECEDENCE. 12. 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-AS18280 FOR THIS STAN
21、DARD. SEE http:/ FOR CURRENT QPL ONLINE. 13. SURFACE TEXTURE: SYMBOLS PER ASME Y14.36M; REQUIREMENTS PER ASME B46.1; UNLESS OTHERWIE SPECIFIED MACHINED SURFACES SHALL BE 125 Ra. 14. INTERPRETATION OF DRAWING PER ARP4296. 15. FLUID PASSAGE, HOLE CONTOUR: ARP4266 (OPTIONAL) Copyright SAE International
22、 Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AEROSPACE STANDARD ELBOW, 90 UNIVERSAL, FLARELESS TUBE, HIGH PROFILE AS21925C SHEET 4 OF 4TABLE 2 - CANCELLED AND SUPERSEDED DOCUMENT AND PART NUMBERS CANCELLEDDOCUMENT NUMBERPAR
23、TNUMBERSSUPERSESSIONNOTES SUPERSEDINGDOCUMENT NUMBERSUPERSEDINGPARTNUMBERSMS21925 MS21925-(4 THRU 20) /A/ AS21925 MS21925V(4 THRU 20)P MS21925 MS21925C(4 THRU 20) /B/ AS21925 MS21925J(4 THRU 20), MS21925K(4 THRU 20), OR MS21925-(4 THRU 20)R MS21925 MS21925-(4 THRU 20)D /C/ AS21925 MS21925W(4 THRU 20
24、) MS21925 MS21925W(4 THRU 20) NONE AS21925 MS21925W(4 THRU 20) MS21925 MS21925J(4 THRU 20) NONE AS21925 MS21925J(4 THRU 20) MS21925 MS21925K(4 THRU 20) NONE AS21925 MS21925K(4 THRU 20) MS21925 MS21925-(4 THRU 20)R NONE AS21925 MS21925-(4 THRU 20)R MS21925 MS21925-(4 THRU 20)S /D/ AS21925 MS21925-(4
25、THRU 20)R MS21925 MS21925-(4 THRU 20)T NONE AS21925 MS21925-(4 THRU 20)T /A/ PARTS CODED “-” FOR 4130 ALLOY STEEL ARE NOT TO BE MANUFACTURED. PARTS CODED “V(SIZE)P” FOR CORROSION RESISTANT STEEL (15-5PH) WITH CADMIUM PLATE SHALL BE FURNISHED IN LIEU OF “-” CODED (4130) PARTS. PARTS CODED “-” FOR 413
26、0 ALLOY STEEL MAY BE PROCURED UNTIL 12-31-06. /B/ PARTS CODED “C” FOR CORROSION RESISTANT STEEL (TYPE 303) ARE NOT TO BE MANUFACTURED. PARTS CODED “J”, “K” OR “R” FOR CORROSION RESISTANT STEEL (TYPES 304, 316, OR 321, RESPECTIVELY) SHALL BE FURNISHED IN LIEU OF “C” CODED PARTS AT SUPPLIERS OPTION. /
27、C/ PARTS CODED “D” FOR ALUMINUM ALLOY 2014 ARE NOT TO BE MANUFACTURED. PARTS CODED “W” FOR ALUMINUM ALLOY 7075 SHALL BE FURNISHED IN LIEU OF 2014 (D CODE) PARTS. PARTS CODED “D” FOR ALUMINUM ALLOY 2014 MAY BE PROCURED UNTIL 12-31-06. /D/ PARTS CODED “S” FOR CORROSION RESISTANT STEEL (TYPE 347) ARE N
28、OT TO BE MANUFACTURED. PARTS CODED “S” MAY BE USED UNTIL EXISTING STOCK IS DEPLETED. PARTS CODED “R” FOR CORROSION RESISTANT STEEL (TYPE 321) SHALL BE FURNISHED IN LIEU OF “S” CODED PARTS. Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
