_API_RP_934-2000.pdf

Materials and FabricationRequirements for 2 1/4Cr-1Mo3Cr-1Mo Steel Heavy Wall PressureVessels for High Temperature,HighPressure Hydrogen ServiceAPIDownstream SegmentRECOMMENDED PRACTICE 934FIRST EDITION DECEMBER 2000AmericanPetroleumInstituteHelping YouGet The JobDone Right.MFOREWORDAPI 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 publicationand 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 conflict.Suggested revisions are invited and should be submitted to the Standardization Manager,American Petroleum Institute,1220 L Street,N.W.,Washington,D.C.20005.