pec_2B-2001_2020.pdf

Specification for the Fabrication of Structural Steel PipeAPI SPECIFICATION 2BSIXTH EDITION,JULY 2001EFFECTIVE DATE:JANUARY 1,2002 REAFFIRMED,SEPTEMBER 2020SPECIAL NOTESAPI 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,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 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 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against liability for infringement of letters patent.Generally,API standards are reviewed and revised,reaffirmed,or withdrawn at least every five years.Sometimes a one-time extension of up to two years will be added to this review cycle.This publication will no longer be in effect five years after its publication date as an operative API standard or,where an extension has been granted,upon republication.Status of the publication can be ascertained from the standardization manager telephone(202)682-8000.A catalog of API publications and materials is published annually and updated quarterly by API,200 Massachusetts Avenue,NW,Suite 1100,Washington,DC 20001.This document was produced under API standardization procedures that ensure appropri-ate notification and participation in the developmental process and is designated as an API standard.Questions concerning the interpretation of the content of this standard or com-ments and questions concerning the procedures under which this standard was developed should be directed in writing to the standardization manager,American Petroleum Institute,200 Massachusetts Avenue,NW,Suite 1100,Washington,DC 20001.Requests for permission to reproduce or translate all or any part of the material published herein should also be addressed to the general manager.API standards are published to facilitate the broad availability of proven,sound 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 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 to 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 Services,200 Massachusetts Avenue,NW,Suite 1100,Washington,DC 20001.Copyright 2001 American Petroleum InstituteFOREWORDThis specification is under the jurisdiction of the API Committee on Standardization ofOffshore Structures.The purpose of this specification is to provide standards for the fabrication of structuralsteel pipe formed from plate steel and suitable for use in construction of welded offshorestructures.This specification shall become effective on the date printed on the cover but may beused voluntarily from the date of distribution.Fabricators interested in obtaining a monogram license should either write the API office 200 Massachusetts Avenue,NW,Suite 1100,Washington,DC 20001 for an application package or a copy of the Composite List of Manufacturers Licensed for Use of the API Monogram,Product No.G00006.API publications may be used by anyone desiring to do so.Every effort has been madeby the Institute to assure the accuracy and reliability of the data contained in them;how-ever,the Institute makes no representation,warranty,or guarantee in connection with thispublication and hereby expressly disclaims any liability or responsibility for loss or dam-age resulting from its use or for the violation of any federal,state,or municipal regulationwith which this publication may conflict.Suggested revisions are invited and should be submitted to the general manager,Upstream Segment,American Petroleum Institute,200 Massachusetts Avenue,NW,Suite 1100,Washington,DC 20001iii CONTENTS Page 1 SCOPE.12 REFERENCES.13 DEFINITIONS.14 MATERIAL.15 FABRICATIO