1、Specification for Carbon Manganese Steel Plate with Improved Toughness for OffshoreStructuresAPI SPECIFICATION 2MT1(SPEC 2MT1)SECOND EDITION,SEPTEMBER 2001EFFECTIVE DATE:MARCH 2002REAFFIRMED,FEBRUARY 2012 Specification for Carbon Manganese Steel Plate with Improved Toughness for OffshoreStructuresUp
2、stream SegmentAPI SPECIFICATION 2MT1(SPEC 2MT1)SECOND EDITION,SEPTEMBER 2001EFFECTIVE DATE:MARCH 2002REAFFIRMED,FEBRUARY 2012 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
3、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 conc
4、erning 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 r
5、ight,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 reviewe
6、d and revised,reafrmed,or withdrawn at least everyve years.Sometimes a one-time extension of up to two years will be added to this reviewcycle.This publication will no longer be in effect ve years after its publication date as anoperative API standard or,where an extension has been granted,upon repu
7、blication.Statusof the publication can be ascertained from the 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 proc
8、edures that ensure appropri-ate notication and participation 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
9、directed in writing to the standardization manager,American Petroleum Institute,1220 L Street,N.W.,Washington,D.C.20005.Requests for permission to reproduce ortranslate all or any part of the material published herein should also be addressed to the gen-eral manager.API standards are published to fa
10、cilitate 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 intend
11、ed 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 guar
12、antee 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 publishe
13、r.Contact the Publisher,API Publishing Services,1220 L Street,N.W.,Washington,D.C.20005.Copyright 2001 American Petroleum Institute FOREWORD This specication is under the jurisdiction of the API Subcommittee on Standardization ofOffshore Structures.The purpose of this specication is to provide stand
14、ards for the purchase of as rolled steelplate with improved toughness suitable for use in selected applications on offshore plat-forms.This standard shall become effective on the date printed on the cover but may be used vol-untarily from the date of distribution.API publications may be used by anyo
15、ne desiring to do so.Every effort has been made bythe Institute to assure the accuracy and reliability of the data contained in them;however,theInstitute makes no representation,warranty,or guarantee in connection with this publicationand hereby expressly disclaims any liability or responsibility fo
16、r loss or damage resultingfrom its use or for the violation of any federal,state,or municipal regulation with which thispublication may conict.Suggested revisions are invited and should be submitted to the standardization manager,American Petroleum Institute,1220 L Street,N.W.,Washington,D.C.20005.iii CONTENTS Page 1SCOPE.11.1Coverage.11.2Primary Application.12REFERENCES.13GENERAL REQUIREMENTS FOR DELIVERY.13.1Applicable Reference Specications.13.2Visual Examination.13.3Mill Test Certicates.14MA