1、Pipe with Welded ConnectorsAPI RECOMMENDED PRACTICE 5C6THIRD EDITION,MAY 2018Special NotesAPI publications 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,s
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16、ntsPage1Scope.11.1Purpose.11.2Coverage.12Normative References .13Terms and Definitions .24Materials Information Requirements.54.1Documentation.54.2Pipe.54.3Connectors .74.4Additional Suggestions and Supplemental Requirements.75Welding Procedure Qualification.75.1Written Procedure.75.2Base Metal Groupings .75.3Welding Consumables.85.4Hardness Testing.85.5Charpy Impact Testing.85.6Postweld Heat Treatment(PWHT).86Welder and Welding Operator Qualification.96.1Testing Requirements .96.2Records .97Pro
