Transcription of Tabulation of Differences Between PSL 1 and PSL 2
1 ParameterPSL 1 PSL 2 API 5L ReferenceGrade RangeA25 through X70Gr B through X80 Table 1 Size through 804-1/2 through 80 Table 1 Type of pipe endsPlain-end, Threaded-end, Plain-endTable 1 Bevelled-end, special coupling pipeSeam weldingAll methods; continuous welding All methods except continuous Table 1limited to Grade A25and laser weldingElectric welds: welder frequencyNo Minimum100 kHz treatment of electric weldsRequired for grades> X42 Required for all grades ; 5. J . : (Gr B through X80)Chemistry: max C for seamless for grades > Gr 2A, 2 BChemistry: max C for welded for grades > Gr 2A, 2 BChemislry: max for grades > 2A, 2 BChemistry: max 2A, 2 BCarbon equivalentOnly when purchaser Maximum required for : : : SR18each gradeYield strength, maximumNoneMaximum for each gradeTables 3A, 3 BUTS, maximumNoneMaximum for each gradeTables 3A, 3 BFracture ToughnessNone requiredRequired for all ; : ; ; Non-destructive inspection of Only when purchaser SR4 mandatoryTable 14 pipesspecifies SR4 Repair by welding of pipe body, ; : ; and skelpRepair by welding of weld seams Permitted by.
2 Filler metalCertificationCertificates when specified Certificates ( ) SR15 TraceabilityTraceable only until all tests areTraceable after completion , unless SR15 is specifiedof tests ( ) mandatoryNotes:*PSL1 & PSL2 requirements are given in the latest edition of API 5L of Differences Between PSL 1 and PSL 28 Cross Street #24-03 PWC Building Singapore 048424 Tel: (65) 6221 0018 Fax: (65) 6224 6771 Kranji Yard: No. 20 Kranji Loop Singapore 739556 Gul Crescent Yard: Lot No. 1055110 Gul Crescent
