1、Avoiding Environmental Cracking in Amine UnitsAPI RECOMMENDED PRACTICE 945 THIRD EDITION,JUNE 2003 REAFFIRMED,JULY 2020Avoiding Environmental Cracking in Amine UnitsDownstream SegmentAPI RECOMMENDED PRACTICE 945 THIRD EDITION,JUNE 2003REAFFIRMED,JULY 2020SPECIAL NOTESAPI publications necessarily add
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13、ican Petroleum InstituteFOREWORDAPI publications may be used by anyone 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 publicat
14、ionand hereby expressly disclaims any liability or responsibility for 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 Director,Standards Departm
15、ent,American Petroleum Institute,200 Massachusetts Avenue,NW,Suite 1100,Washington,DC 20001,standardsapi.org.iiiCONTENTSPage1SCOPE.12REFERENCES.12.1Referenced Publications.12.2Referenced Codes and Standards.12.3Other Codes and Standards.22.4Selected Bibliography.23DEFINITIONS.24BACKGROUND.24.1Amine
16、Units.24.2Problems in Amine Units.35GUIDELINES FOR CONSTRUCTION MATERIALS AND FABRICATION OF NEW EQUIPMENT.45.1Construction Materials.45.2Fabrication.56INSPECTION AND REPAIR OF EXISTING EQUIPMENT.76.1General.76.2Inspection Materials.76.3Equipment and Piping that Should be Inspected.86.4Examination Procedures and Methods.86.5Repair of Damaged Equipment.106.6Postweld Heat Treatment of Undamaged or Repaired Equipment.10APPENDIX ACRACKING MECHANISMS.13APPENDIX BCONSIDERATIONS FOR CORROSION CONTROL.1
