ANSI API SPEC 5L-2012 Specification for Line Pipe (FORTY-FIFTH EDITION ERTA 1 April 2015).pdf
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1、Specification for Line PipeAPI SPECIFICATION 5LFORTY-FIFTH EDITION, DECEMBER 2012EFFECTIVE DATE: JULY 1, 2013ERRATA 1, APRIL 2015Specification for Line PipeUpstream SegmentAPI SPECIFICATION 5LFORTY-FIFTH EDITION, DECEMBER 2012EFFECTIVE DATE: JULY 1, 2013ERRATA 1, APRIL 2015Special NotesAPI publicati
2、ons necessarily address problems of a general nature. With respect to particular circumstances, local,state, and federal laws and regulations should be reviewed.Neither API nor any of APIs employees, subcontractors, consultants, committees, or other assignees make anywarranty or representation, eith
3、er express or implied, with respect to the accuracy, completeness, or usefulness of theinformation contained herein, or assume any liability or responsibility for any use, or the results of such use, of anyinformation or process disclosed in this publication. Neither API nor any of APIs employees, s
4、ubcontractors,consultants, or other assignees represent that use of this publication would not infringe upon privately owned rights.Classified areas may vary depending on the location, conditions, equipment, and substances involved in any givensituation. Users of this specification should consult wi
5、th the appropriate authorities having jurisdiction.Users of this specification should not rely exclusively on the information contained in this document. Sound business,scientific, engineering, and safety judgment should be used in employing the information contained herein.API is not undertaking to
6、 meet the duties of employers, manufacturers, or suppliers to warn and properly train andequip their employees, and others exposed, concerning health and safety risks and precautions, nor undertaking theirobligations to comply with authorities having jurisdiction.Information concerning safety and he
7、alth risks and proper precautions with respect to particular materials andconditions should be obtained from the employer, the manufacturer or supplier of that material, or the material safetydata sheet.API publications may be used by anyone desiring to do so. Every effort has been made by the Insti
8、tute to assure theaccuracy and reliability of the data contained in them; however, the Institute makes no representation, warranty, orguarantee in connection with this publication and hereby expressly disclaims any liability or responsibility for loss ordamage resulting from its use or for the viola
9、tion of any authorities having jurisdiction with which this publication mayconflict.API publications are published to facilitate the broad availability of proven, sound engineering and operatingpractices. These publications are not intended to obviate the need for applying sound engineering judgment
10、regarding when and where these publications should be utilized. The formulation and publication of API publicationsis not intended in any way to inhibit anyone from using any other practices.Any manufacturer marking equipment or materials in conformance with the marking requirements of an API standa
11、rdis solely responsible for complying with all the applicable requirements of that standard. API does not represent,warrant, or guarantee that such products do in fact conform to the applicable API standard.All rights reserved. No part of this work may be reproduced, translated, stored in a retrieva
12、l 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, 1220 L Street, NW, Washington, DC 20005.Copyright 2012 American Petroleum InstituteForewordNothin
13、g contained in any API publication is to be construed as granting any right, by implication or otherwise, for themanufacture, sale, or use of any method, apparatus, or product covered by letters patent. Neither should anythingcontained in the publication be construed as insuring anyone against liabi
14、lity for infringement of letters patent.Shall: As used in a standard, “shall” denotes a minimum requirement in order to conform to the specification.Should: As used in a standard, “should” denotes a recommendation or that which is advised but not required in orderto conform to the specification.This
15、 document was produced under API standardization procedures that ensure appropriate notification andparticipation in the developmental process and is designated as an API standard. Questions concerning theinterpretation of the content of this publication or comments and questions concerning the proc
16、edures under whichthis publication was developed should be directed in writing to the Director of Standards, American PetroleumInstitute, 1220 L Street, NW, Washington, DC 20005. Requests for permission to reproduce or translate all or any partof the material published herein should also be addresse
17、d to the director.Generally, API standards are reviewed and revised, reaffirmed, or withdrawn at least every five years. A one-timeextension of up to two years may be added to this review cycle. Status of the publication can be ascertained from theAPI Standards Department, telephone (202) 682-8000.
18、A catalog of API publications and materials is publishedannually by API, 1220 L Street, NW, Washington, DC 20005.Suggested revisions are invited and should be submitted to the Standards Department, API, 1220 L Street, NW,Washington, DC 20005, standardsapi.org.iiiV Contents Page 1 Scope 1 2 Conformit
19、y 1 2.1 Units of measurement 1 2.2 Rounding 1 2.3 Compliance to this Standard . 1 3 Normative references. 2 4 Terms and definitions 5 5 Symbols and abbreviated terms 13 5.1 Symbols 13 5.2 Abbreviated terms 14 6 Pipe grade, steel grade and delivery condition 15 6.1 Pipe grade and steel grade 15 6.2 D
20、elivery condition 16 7 Information to be supplied by the purchaser 17 7.1 General information . 17 7.2 Additional information . 18 8 Manufacturing 21 8.1 Process of manufacture 21 8.2 Processes requiring validation . 23 8.3 Starting material . 23 8.4 Tack welds 24 8.5 Weld seams in COW pipe 25 8.6 W
21、eld seams in SAW pipe . 25 8.7 Weld seams in double-seam pipe . 25 8.8 Treatment of weld seams in EW and LW pipes 25 8.9 Cold sizing and cold expansion 25 8.10 Coil/plate end welds . 26 8.11 Jointers. 26 8.12 Heat treatment 26 8.13 Traceability . 26 9 Acceptance criteria 27 9.1 General . 27 9.2 Chem
22、ical composition . 27 9.3 Tensile properties 31 9.4 Hydrostatic test 32 9.5 Bend test 33 9.6 Flattening test 33 9.7 Guided-bend test . 34 9.8 CVN impact test for PSL 2 pipe . 34 9.9 DWT test for PSL 2 welded pipe 36 9.10 Surface conditions, imperfections and defects 36 9.11 Dimensions, mass and tole
23、rances 38 9.12 Finish of pipe ends 43 9.13 Tolerances for the weld seam . 45 9.14 Tolerances for mass 48 9.15 Weldability of PSL 2 pipe . 48 10 Inspection . 49 VI 10.1 Types of inspection and inspection documents 49 10.2 Specific inspection 50 11 Marking . 78 11.1 General . 78 11.2 Pipe markings 78
24、11.3 Coupling markings . 81 11.4 Marking of pipe to multiple grades 81 11.5 Thread identification and certification 81 11.6 Pipe processor markings. 82 12 Coatings and thread protectors 82 12.1 Coatings and linings 82 12.2 Thread protectors 82 13 Retention of records 82 14 Pipe loading . 83 Annex A
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