ASME B18.2.3.9M-2001 metric heavy hex flange screws
ID: |
E0C7128C58504238AB8D6100D50646E5 |
文件大小(MB): |
1.1 |
页数: |
26 |
文件格式: |
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日期: |
2010-8-22 |
购买: |
文本摘录(文本识别可能有误,但文件阅览显示及打印正常,pdf文件可进行文字搜索定位):
ANSIIASME B18.2.3.9H-1984,30 January 1985,ACCEPTANCE NOTICE,'l'his non-Government document was adopted on 30 January 1985, and is approved,Copies of the document are stocked by the DoD,f o r rise by the DoD.,requlred by existing regulations.,Sint le Stock Point, Naval Publications and Forms Center, Philadelphia, PA,f o r issue to DoD a c t i v i t i e s only. Contractors and Industry groups taust obtain,copies d i r e c t l y from:,The indicated industry group has furnished the clearance,19120,The American Society of Mechanical Engineers,United Engineering Center, 345 E. 47th Street,New York, NY 10017 or,The American National Standards I n s t i t u t e,1430 Broadway, New York, NY 10018,--,Tit3 i? of Document:,Doctwen t No. ANSI/ASME B18.2.3.9M-1984,Metric Heavy Hex Flange Screws,Datc of Specific I s s u e Adopted: 23 March 1984,Relwising Industry Group: The American Society of Mechanical,Engineers,NOTICE: When reaffirmation, amendment, revision, or cancellation of t h i s,standard is i n i t i a l l y proposed, the industry group responsible for t h i s standard,s h a l l inform the m i l i t a r y coordinating a c t i v i t y of the proposed change and,reqi:cs t participa tion.,Cusr odians:,Amy - AR,Navy - AS,Air Force - 99,M i l i t a r y Coordinating Activity:,Amy - AR,(Project 5305-1534),Rev5 ew A c t í v i t ies :,Army - AV, MI, ER,Navy - MC,DLA - IS,NSA - NS,User Activities:,Amy - ME, AT,Navy - SH,The American Society of,Mechanical Engineers,-A N,I,I,A M E R I C A N N A T I O N A L S T A N D A R D,METRN HEAVY,HEX FLANGE,SCREWS,ASME B18.2.3.UM-2001,[Revision of AN SIIASME i 1 8.2.3.9M-1984 (R1995)],Date of Issuance: September 17, 2001,This Standard will be revised when the Society approves the issuance of a,new edition. There will be no addenda issued to this edition.,ASME will issue written replies to inquiries concerning interpretations of,technical aspects of this Standard.,ASME is the registered trademark of The American Society of Mechanical Engineers.,This code or standard was developed under procedures accredited as meeting the criteria for,American National Standards. The Standards Committee that approved the code or standard,was balanced to assure that individuals from competent and concerned interests have had an,opportunity to participate. The proposed code or standard was made available for public review,and comment that provides an opportunity for additional public input from industry, academia,regulatory agencies, and the public-at-large.,ASME does not "approve," "rate," or "endorse" any item, construction, proprietary device,or activity.,ASME does not take any position with respect to the validity of any patent rights asserted in,connection with any items mentioned in this document, and does not undertake to insure anyone,utilizing a standard against liability for infringement of any applicable letters patent, nor assume,any such liability. Users of a code or standard are expressly advised that determination of the,validity of any such patent rights, and the risk of infringement of such rights, is entirely their,own responsibility.,Participation by federal agency representativeís) or personís) affiliated with industry is not to,be interpreted as government or industry endorsement of this code or standard.,ASME accepts responsibility for only those interpretations of this document issued in,accordance with the established ASME procedures and policies, which precludes the issuance,of interpretations by individuals.,No part of this document may be reproduced in any form,in an electronic retrieval system or otherwise,without the prior written permission of the publisher.,The American Society of Mechanical Engineers,Three Park Avenue, New York, NY 10016-5990,Copyright O 2001 by,THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS,All Rights Reserved,Printed in U.S.A.,“For screws of Property Class 10.9 and higher strength materials (tensile strength 1040,MPa and higher) the transition threads shall have a rounded root contour no radius of,which shall be less than the specified minimum at the root of the full form thread.”,(h) The position of body-to-thread previously required is deleted based on the B18,Subcommittee 2 decision of December 2, 1998.,(i) Appendix A is added to provide a detailed comparison with ISODIS 8102, with,unpublished changes agreed upon in ISO/TC2íWG2. The current wrenching height formula,in IS0 4759-1 would increase the wrenching heights even more. No support exists in North,America for increases beyond those included herein.,iv,FOREWORD,I,American National Standards Committee B18 for the standardization of bolts, screws,nuts, rivets, and simila……
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