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    SAE AS 21908D-2008 ELBOW BULKHEAD UNIVERSAL 90 FLARELESS TUBE《闷头通用90弯头非扩口管》.pdf

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    SAE AS 21908D-2008 ELBOW BULKHEAD UNIVERSAL 90 FLARELESS TUBE《闷头通用90弯头非扩口管》.pdf

    1、AEROSPACE STANDARD ELBOW, BULKHEAD UNIVERSAL 90, FLARELESS TUBE AS21908DCopyright 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, or o

    2、therwise, 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 1998-03REAFFIRMED 2007-07 REVISED 2008-06 THIRD ANGLE

    3、PROJECTION CUSTODIAN: SAE G-3/G-3B FEDERAL SUPPLY CLASS 4730 AS21908D 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 volunta

    4、ry, 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 comment

    5、sandsuggestions. RATIONALE1. NOTE 10: 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. FIGURE 1 - ELBOW, BULKHEAD UNIVERSAL 90, FLARELESS TUBE TABLE 1A - DIMENSIONS H-4 DASHNO./5/ NOMINALTUBESIZET

    6、 THREAD AS8879HRADM+.047-.000Q+.047-.000RRAD-2 .125 .3125-24 UNJF-3A .063 1.313 .781 .156 -3 .188 .3750-24 UNJF-3A .063 1.391 .906 .188 -4 .250 .4375-20 UNJF-3A .063 1.500 .938 .219 -5 .313 .5000-20 UNJF-3A .094 1.531 1.031 .250 -6 .375 .5625-18 UNJF-3A .094 1.688 1.063 .281 -8 .500 .7500-16 UNJF-3A

    7、 .094 1.969 1.313 .375 -10 .625 .8750-14 UNJF-3A .094 2.250 1.500 .438 -12 .750 1.0625-12 UNJ-3A .094 2.469 1.625 .531 -16 1.000 1.3125-12 UNJ-3A .125 2.594 1.719 .656 -20 1.250 1.6250-12 UNJ-3A .125 2.875 2.000 .813 -24 1.500 1.8750-12 UNJ-3A .125 3.156 2.188 .938 -32 2.000 2.5000-12 UNJ-3A .125 3.

    8、750 2.375 1.250 SAE TechnicalStandards Board Rules provide that: “This report is published by SAE toadvance thestate of technical andengineering sciences. Theuse of thisreport is entirely voluntary, andits applicabilityandsuitability forany particularuse, including any patent infringement arising th

    9、erefrom, 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 commentsandsuggestions. Copyright SAE International Provided by IHS under license with SAENot for ResaleNo repro

    10、duction or networking permitted without license from IHS-,-,-AEROSPACE STANDARD ELBOW, BULKHEAD UNIVERSAL 90, FLARELESS TUBE AS21908D SHEET 2 OF 4TABLE 1B - DIMENSIONS U-Z WEIGHT, LB/EA, APPROX, REF. DASHNO./5/URAD V WAPPROX XAPPROX Y+.047-.000Z+.047-.000 STEELALALLOY TIALLOY -2 .063 .313 .313 .188

    11、.813 1.344 .048 .017 .027 -3 .063 .375 .313 .250 .938 1.422 .064 .023 .036 -4 .063 .438 .375 .250 .969 1.531 .071 .025 .040 -5 .063 .500 .500 .313 1.063 1.563 .102 .038 .058 -6 .094 .563 .500 .313 1.094 1.719 .123 .054 .070 -8 .094 .750 .625 .438 1.344 2.000 .237 .091 .136 -10 .125 .875 .750 .438 1.

    12、563 2.344 .400 .133 .230 -12 .125 1.063 .875 .500 1.719 2.578 .530 .190 .305 -16 .125 1.313 1.063 .625 1.813 2.688 .920 .310 .530 -20 .188 1.625 1.250 .750 2.125 3.000 1.330 .524 .767 -24 .188 1.875 1.438 .875 2.359 3.359 1.960 .700 1.130 -32 .188 2.563 1.938 1.188 2.438 4.063 NOTES: NOTICE THIS DOC

    13、UMENT REFERENCES A PART WHICH CONTAINS CADMIUM AS A PLATING MATERIAL. CONSULT LOCAL OFFICIALS IF YOU HAVE QUESTIONS CONCERNING CADMIUMS USE.1. MATERIAL: SEE PROCUREMENT SPECIFICATION. ALLOY STEEL ALUMINUM ALLOY CORROSION RESISTANT STEEL TITANIUM ALLOY 2. FINISH: SEE PROCUREMENT SPECIFICATION 3. BREA

    14、K EDGES .003 TO .015 UNLESS OTHERWISE SPECIFIED. 4. DIMENSIONS ARE IN INCHES. UNLESS OTHERWISE SPECIFIED, TOLERANCES: DECIMALS .016, ANGLES 030. /5/ PART NUMBERS: 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 RES

    15、ISTANT STEEL (15-5PH), CADMIUM PLATED ADD “V” IN PLACE OF DASH FOR CORROSION RESISTANT STEEL (15-5PH), NOT CADMIUM PLATED ADD “D” IN PLACE OF DASH 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 CORROS

    16、ION RESISTANT STEEL (TYPE 304) ADD “K” IN PLACE OF 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 NUMBER FOR TITANIUM AL

    17、LOY (6AL-4V) Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AEROSPACE STANDARD ELBOW, BULKHEAD UNIVERSAL 90, FLARELESS TUBE AS21908D SHEET 3 OF 4EXAMPLES OF PART NUMBERS: MS21908-4 ELBOW, .250 TUBIN

    18、G, 4130 ALLOY STEEL IS CANCELLED AND REPLACED, SEE TABLE 2 /A/ MS21908V4P ELBOW, .250 TUBING, CORROSION RESISTANT STEEL (15-5PH), CADMIUM PLATED MS21908V4 ELBOW, .250 TUBING, CORROSION RESISTANT STEEL (15-5PH), NOT CADMIUM PLATED MS21908D4 ELBOW, .250 TUBING, ALUMINUM ALLOY (2014) IS CANCELLED, REPL

    19、ACED, SEE TABLE 2 /C/ MS21908W4 ELBOW, .250 TUBING, ALUMINUM ALLOY (7075) MS21908J4 ELBOW, .250 TUBING, CORROSION RESISTANT STEEL (TYPE 304) MS21908K4 ELBOW, .250 TUBING, CORROSION RESISTANT STEEL (TYPE 316) MS21908-4R ELBOW, .250 TUBING, CORROSION RESISTANT STEEL (TYPE 321) MS21908-4S ELBOW, .250 T

    20、UBING, CORROSION RESISTANT STEEL (TYPE 347) IS CANCELLED, SEE TABLE 2 /D/ MS21908-4T ELBOW, .250 TUBING, TITANIUM ALLOY (6AL-4V) 6. TITANIUM SHALL NOT BE USED FOR OXYGEN SYSTEMS. 7. SEE TABLE 2 FOR CANCELLED AND SUPERSEDED DOCUMENT AND PART NUMBERS. TABLE 2 - CANCELLED AND SUPERSEDED DOCUMENT AND PA

    21、RT NUMBERS CANCELLEDDOCUMENT NUMBERPARTNUMBERSSUPERSESSIONNOTES SUPERSEDINGDOCUMENT NUMBERSUPERSEDINGPARTNUMBERSMS21908 MS21908-(2 THRU 32) /A/ AS21908 MS21908V(2 THRU 32)P MS21908 MS21908C(2 THRU 32) /B/ AS21908 MS21908J(2 THRU 32), MS21908K(2 THRU 32), OR MS21908-(2 THRU 32)R MS21908 MS21908D(2 TH

    22、RU 32) /C/ AS21908 MS21908W(2 THRU 32) MS21908 MS21908W(2 THRU 32) NONE AS21908 MS21908W(2 THRU 32) MS21908 MS21908J(2 THRU 32) NONE AS21908 MS21908J(2 THRU 32) MS21908 MS21908K(2 THRU 32) NONE AS21908 MS21908K(2 THRU 32) MS21908 MS21908-(2 THRU 32)R NONE AS21908 MS21908-(2 THRU 32)R MS21908 MS21908

    23、-(2 THRU 32)S /D/ AS21908 MS21908-(2 THRU 32)R MS21908 MS21908-(2 THRU 32)T NONE AS21908 MS21908-(2 THRU 32)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

    24、(4130) PARTS. PARTS CODED “-” FOR 4130 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 “

    25、C” CODED PARTS AT SUPPLIERS OPTION. /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 CORRO

    26、SION RESISTANT STEEL (TYPE 347) ARE NOT 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. 8. REFERENCED DOCUMENTS SHALL BE OF THE ISSUE IN EFFECT ON DATE OF INVITAT

    27、IONS FOR BID. 9. IN THE EVENT OF A CONFLICT BETWEEN THE TEXT OF THIS STANDARD AND THE REFERENCES CITED HEREIN, THE TEXT OF THIS STANDARD SHALL TAKE PRECEDENCE. 10. PRODUCT SUPPLIED TO THIS SPECIFICATION SHALL BE MANUFACTURED BY AN ACCREDITED MANUFACTURER AS LISTED IN THE PERFORMANCE REVIEW INSTITUTE

    28、 (PRI) QUALIFIED PRODUCTS LIST PRI-QPL-AS18280 FOR THIS STANDARD. SEE http:/ FOR CURRENT QPL ONLINE. 11. SURFACE TEXTURE: SYMBOLS PER ASME Y14.36M; REQUIREMENTS PER ASME B46.1; UNLESS OTHERWIE SPECIFIED MACHINED SURFACES SHALL BE 125 Ra. Copyright SAE International Provided by IHS under license with

    29、 SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AEROSPACE STANDARD ELBOW, BULKHEAD UNIVERSAL 90, FLARELESS TUBE AS21908D SHEET 4 OF 412. A CHANGE BAR ( l ) LOCATED IN THE LEFT MARGIN IS FOR THE CONVENIENCE OF THE USER IN LOCATING AREAS WHERE TECHNICAL REVISIONS

    30、, 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. 13. INTERPRETATION OF DRAWING PER ARP4296. 14. FLUID PASSAGE, HOLE CONTOUR: ARP4266 (OPTIONAL) Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-


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