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1、SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefr
2、om, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions. SHEET 1 OF 3 MA2028 REV. B THIRD ANGLE PROJECTION AEROSPACE STANDARD MA2028 REV. B IS
3、SUED 1985-08 REVISED 1997-09 REAFFIRMED 2007-11 (R) FITTING, CROSS, THIN WALL, FLARELESS, METRIC CUSTODIAN: SAE G-3/G-3BPROCUREMENT SPECIFICATION: /5/ MA2005 (ISO 7169) FEDERAL SUPPLY CLASS 4730 FIGURE 1 CROSS, FLARELESS TABLE 1 - DIMENSIONS AND WEIGHTS BASIC NO. MA2028 /17/ SIZE CODE (NOMINAL TUBE
4、SIZE DN) /1/ T THREAD PER MA1370 (ISO 5855-3) 4g6gAVZ Kg/100 MAX CRES Kg/100 MAX TI 05 5MJ 10 X 118 7.50- 8.061.3 2.46 1.36 06 6MJ 12 X 1.2520 9.50-10.061.8 4.21 2.32 08 8MJ 14 X 1.52311.40-12.061.8 5.72 3.16 1010MJ 16 X 1.52513.40-14.062.0 7.58 4.18 1212MJ 18 X 1.52615.4 -16.12.0 9.28 5.12 1414MJ 2
5、0 X 1.52717.4 -18.12.011.2 6.17 1616MJ 22 X 1.52819.4 -20.12.012.8 7.06 2020MJ 27 X 1.53223.4 -24.12.519.810.9 2525MJ 33 X 1.53629.4 -30.12.533.418.4 3232MJ 42 X 24238.2 -39.23.560.533.4 Copyright 2007 SAE International All rights reserved. No part of this publication may be reproduced, stored in a
6、retrieval system or transmitted, in any form or by any means, electronic, mechanical, 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: 724-776-4970 (outside USA) Fax: 724-776-0790 Email: Cust
7、omerServicesae.org SAE WEB ADDRESS: http:/www.sae.org Copyright SAE International Provided by IHS under license with SAELicensee=Defense Supply Ctr/5913977001 Not for Resale, 12/04/2007 18:59:31 MSTNo reproduction or networking permitted without license from IHS -,-,- FITTING, CROSS, THIN WALL, FLAR
8、ELESS, METRIC AEROSPACE STANDARD MA2028 SHEET 2 OF 3 MA2028 REV. B REV. B (R) NOTES: /1/DN = NOMINAL TUBE OUTSIDE DIAMETER. /2/MATERIAL: a.CODE LETTER J - TYPE 304 CORROSION RESISTANT STEEL PER AMS 5639 OR QQ-S-763. b.CODE LETTER K - TYPE 316 CORROSION RESISTANT STEEL PER AMS 5648 OR QQ-S-763. c.COD
9、E LETTER R - TYPE 321 CORROSION RESISTANT STEEL PER AMS 5645 OR QQ-S-763. d.CODE LETTER T - TYPE 6AL-4V TITANIUM ALLOY PER AMS 4928. 3.HEAT TREATMENT: NONE. 4.FINISH a.MATERIAL CODE LETTERS J, K, AND R - PASSIVATE PER QQ-P-35, TYPE VI OR VII. b.MATERIAL CODE LETTER T - ANODIZE PER AMS 2488 OR FLUORI
10、DE PHOSPHATE CONVERSION COAT PER AMS 2486. /5/PROCUREMENT SPECIFICATION: MA2005 (ISO 7169) EXCEPT AS SPECIFIED ON THIS STANDARD. THIS PART SHALL BE QUALIFIED TO THE PROCUREMENT SPECIFICATION AS APPLICABLE IN A COMPLETE ASSEMBLY. USERS OF THIS STANDARD ARE ADVISED TO CONTROL SOURCE APPROVAL(S) BY STA
11、NDARD PAGE SUPPLEMENT SHEET OR SIMILAR MEANS. /6/IDENTIFICATION AT LOCATION SHOWN: MARK PER AS478 CLASS C OR METHOD 7A3, 15A3, OR 15B. a.FOR SIZES DN10 AND SMALLER: MANUFACTURERS NAME, CAGE CODE OR TRADEMARK, MATERIAL CODE LETTER AND PRESSURE RATING (EXAMPLE: 28K = 28,000 kPa). b.FOR SIZES DN12 AND
12、LARGER: MANUFACTURERS NAME, CAGE CODE OR TRADEMARK, BASIC PART NUMBER, MATERIAL CODE LETTER AND PRESSURE RATING (EXAMPLE: 28K = 28,000 kPa). 7.THIS PART IS DESIGNED FOR USE IN SYSTEMS AT TYPE II TEMPERATURE (-55 TO 135 C) WITH OPERATING PRESSURE AS FOLLOWS: a.SIZES DN05 THROUGH DN25 AT 28,000 kPa. b
13、.SIZE DN32 AT 14,000 kPa. /8/RADIUS OR BREAK APPLICABLE FOR TITANIUM PARTS ONLY. 9.WHEN MACHINED FROM BAR OR OVERSIZED FORGING, THE CENTER BODY SECTION SHALL CONFORM TO MA2023, TABLE 2. 10.THE CHANGE BAR ( l ) LOCATED IN THE LEFT MARGIN IS FOR THE CONVENIENCE OF THE USER IN LOCATING AREAS WHERE TECH
14、NICAL 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. 11.INVENTORIED PARTS CONFORMING TO THE PREVIOUS “LETTER CHANGE“ MAY BE USED TO DEPLETION. 12.INTERPRETATION OF
15、 DRAWING PER MAP4296. 13.SURFACE TEXTURE: SYMBOLS PER ASME Y14.36M; REQUIREMENTS PER ASME B46.1. UNLESS OTHERWISE SPECIFIED, MACHINED SURFACES TO BE 3.2 m Ra. FORGED SURFACES MAY BE 6.3 m Ra. 14.BREAK EDGES 0.1 TO 0.4 UNLESS OTHERWISE SPECIFIED. 15.DIMENSIONING AND TOLERANCING: ASME Y14.5M-1994. Cop
16、yright SAE International Provided by IHS under license with SAELicensee=Defense Supply Ctr/5913977001 Not for Resale, 12/04/2007 18:59:31 MSTNo reproduction or networking permitted without license from IHS -,-,- FITTING, CROSS, THIN WALL, FLARELESS, METRIC AEROSPACE STANDARD MA2028 SHEET 3 OF 3 MA20
17、28 REV. B REV. B (R) 16.DIMENSIONS IN MILLIMETERS. UNLESS OTHERWISE SPECIFIED, TOLERANCES: LINEAR DIMENSIONS 0.3, ANGULAR DIMENSIONS 030. /17/ Copyright SAE International Provided by IHS under license with SAELicensee=Defense Supply Ctr/5913977001 Not for Resale, 12/04/2007 18:59:31 MSTNo reproduction or networking permitted without license from IHS -,-,-