1、 Specification forLine Pipe API SPECIFICATION 5LFORTY-SECOND EDITION,JANUARY 2000EFFECTIVE DATE:JULY 1,2000COPYRIGHT 2002;American Petroleum Institute Document provided by IHS Licensee=Sincor Venezuela/5934214100,User=,08/19/2002 09:32:45 MDT Questions or comments about this message:please callthe D
2、ocument Policy Management Group at 1-800-451-1584.COPYRIGHT 2002;American Petroleum Institute Document provided by IHS Licensee=Sincor Venezuela/5934214100,User=,08/19/2002 09:32:45 MDT Questions or comments about this message:please callthe Document Policy Management Group at 1-800-451-1584.Specifi
3、cation forLine Pipe Upstream Segment API SPECIFICATION 5LFORTY-SECOND EDITION,JANUARY 2000EFFECTIVE DATE:JULY 1,2000COPYRIGHT 2002;American Petroleum Institute Document provided by IHS Licensee=Sincor Venezuela/5934214100,User=,08/19/2002 09:32:45 MDT Questions or comments about this message:please
4、callthe Document Policy Management Group at 1-800-451-1584.SPECIAL NOTES API publications necessarily address problems of a general nature.With respect to partic-ular circumstances,local,state,and federal laws and regulations should be reviewed.API is not undertaking to meet the duties of employers,
5、manufacturers,or suppliers towarn and properly train and equip their employees,and others exposed,concerning healthand safety risks and precautions,nor undertaking their obligations under local,state,or fed-eral laws.Information concerning safety and health risks and proper precautions with respect
6、to par-ticular materials and conditions should be obtained from the employer,the manufacturer orsupplier of that material,or the material safety data sheet.Nothing contained in any API publication is to be construed as granting any right,byimplication or otherwise,for the manufacture,sale,or use of
7、any method,apparatus,or prod-uct covered by letters patent.Neither should anything contained in the publication be con-strued as insuring anyone against liability for infringement of letters patent.Generally,API standards are reviewed and revised,reaffirmed,or withdrawn at least everyfive years.Some
8、times a one-time extension of up to two years will be added to this reviewcycle.This publication will no longer be in effect five years after its publication date as anoperative API standard or,where an extension has been granted,upon republication.Statusof the publication can be ascertained from th
9、e API Upstream Segment telephone(202)682-8000.A catalog of API publications and materials is published annually and updated quar-terly by API,1220 L Street,N.W.,Washington,D.C.20005.This document was produced under API standardization procedures that ensure appropri-ate notification and participatio
10、n in the developmental process and is designated as an APIstandard.Questions concerning the interpretation of the content of this standard or com-ments and questions concerning the procedures under which this standard was developedshould be directed in writing to the general manager of the Upstream
11、Segment,AmericanPetroleum Institute,1220 L Street,N.W.,Washington,D.C.20005.Requests for permissionto reproduce or translate all or any part of the material published herein should also beaddressed to the general manager.API standards are published to facilitate the broad availability of proven,soun
12、d engineer-ing and operating practices.These standards are not intended to obviate the need for apply-ing sound engineering judgment regarding when and where these standards should beutilized.The formulation and publication of API standards is not intended in any way toinhibit anyone from using any
13、other practices.Any manufacturer marking equipment or materials in conformance with the markingrequirements of an API standard is solely responsible for complying with all the applicablerequirements of that standard.API does not represent,warrant,or guarantee that such prod-ucts do in fact conform t
14、o the applicable API standard.All rights reserved.No part of this work may be reproduced,stored in a retrieval system,or transmitted by any means,electronic,mechanical,photocopying,recording,or otherwise,without prior written permission from the publisher.Contact the Publisher,API Publishing Service
15、s,1220 L Street,N.W.,Washington,D.C.20005.Copyright 1999 American Petroleum InstituteCOPYRIGHT 2002;American Petroleum Institute Document provided by IHS Licensee=Sincor Venezuela/5934214100,User=,08/19/2002 09:32:45 MDT Questions or comments about this message:please callthe Document Policy Managem
16、ent Group at 1-800-451-1584.FOREWORD Specification 5L covers seamless and welded steel line pipe.It includes plain-end,threaded-end,and belled-end pipe,as well as through-the-flowline(TFL)pipe and pipe withends prepared for use with special couplings.Although the plain-end line pipe meeting this specification is primarily intended for fieldmakeup by circumferential welding,the manufacturer will not assume responsibility forfield welding.The purpose of this specification is to provide standards f
