1、Recommended Practice for Ultrasonic and Magnetic Examination of Offshore Structural Fabrication and Guidelines for Qualification of TechniciansAPI RECOMMENDED PRACTICE 2XFOURTH EDITION,APRIL 2004REAFFIRMED,SEPTEMBER 2020Recommended Practice for Ultrasonic and Magnetic Examination of Offshore Structu
2、ral Fabrication and Guidelines for Qualification of TechniciansUpstream SegmentAPI RECOMMENDED PRACTICE 2X FOURTH EDITION,APRIL 2004REAFFIRMED,SEPTEMBER 2020SPECIAL NOTESAPI publications necessarily address problems of a general nature.With respect to partic-ular circumstances,local,state,and federa
3、l 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
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9、f this standard or com-ments and questions concerning the procedures under which this standard was developed should be directed in writing to the Director of the Standards department,American Petro-leum Institute,200 Massachusetts Avenue,NW,Suite 1100,Washington,DC 20001.Requests for permission to r
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14、InstituteFOREWORDThis recommended practice is under the jurisdiction of the API subcommittee on OffshoreStructures.Changes between this edition and the 3rd edition have been marked with“change bars”inthe margin.API publications may be used by anyone desiring to do so.Every effort has been made bythe
15、 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 for loss or damage resultingfrom its use or for the vio
16、lation of any federal,state,or municipal regulation with which thispublication may conflict.Suggested revisions are invited and should be submitted to API,Standards department,200 Massachusetts Avenue,NW,Suite 1100,Washington,DC 20001,standardsapi.org.iii CONTENTS Page 1SCOPE.12REFERENCES.13DEFINITIONS.14PLANNING.25QUALIFICATION OF PERSONNEL.25.1General.25.2Examination Prerequisites.35.3Qualification Examinations.35.4Reexamination.66EXTENT OF NONDESTRUCTIVE EXAMINATION.66.1Time of Examination.66
