API RP 581 - 3rd Ed.2016 - Add.2-2020 - Risk-Based Inspection Methodology
16 CORROSION UNDER INSULATION (CUI) DF—FERRITIC COMPONENT ....................................... 10416.1 Scope ............................................................................................................................................ 10416.2 Description of Damage................................................................................................................ 10416.3 Screening Criteria ........................................................................................................................ 10516.4 Required Data .............................................................................................................................. 10616.5 Basic Assumption ....................................................................................................................... 10616.6 Determination of the DF .............................................................................................................. 10616.6.1 Overview ............................................................................................................................... 10616.6.2 Inspection Effectiveness ..................................................................................................... 10716.6.3 Calculation of the DF ........................................................................................................... 10716.7 Nomenclature ............................................................................................................................... 11016.8 References ................................................................................................................................... 11216.9 Tables............................................................................................................................................ 11316.10 Figures .......................................................................................................................................... 11617 EXTERNAL CHLORIDE STRESS CORROSION CRACKING (EXTCLSCC) DF—AUSTENITICCOMPONENT ................................................................................................................................................ 11717.1 Scope ............................................................................................................................................ 11717.2 Description of Damage................................................................................................................ 11717.3 Screening Criteria ........................................................................................................................ 11717.4 Required Data .............................................................................................................................. 11717.5 Basic Assumption ....................................................................................................................... 11717.6 Determination of the DF .............................................................................................................. 11717.6.1 Overview ............................................................................................................................... 11717.6.2 Inspection Effectiveness ..................................................................................................... 11717.6.3 Calculation of the DF ........................................................................................................... 11817.7 Nomenclature ............................................................................................................................... 11917.8 Tables............................................................................................................................................ 11917.9 Figures .......................................................................................................................................... 12118 EXTERNAL CUI CLSCC DF—AUSTENITIC COMPONENT ............................................................... 12118.1 Scope ............................................................................................................................................ 12118.2 Description of Damage................................................................................................................ 12118.3 Screening Criteria ........................................................................................................................ 12218.4 Required Data .............................................................................................................................. 12218.5 Basic Assumption ....................................................................................................................... 12218.6 Determination of the DF .............................................................................................................. 12218.6.1 Overview ............................................................................................................................... 12218.6.2 Inspection Effectiveness ..................................................................................................... 12218.6.3 Calculation of the DF ........................................................................................................... 12318.7 Nomenclature ............................................................................................................................... 12418.8 References ................................................................................................................................... 12518.9 Tables............................................................................................................................................ 12518.10 Figures .......................................................................................................................................... 12619 HIGH TEMPERATURE HYDROGEN ATTACK (HTHA) DF ................................................................ 12719.1 Scope ............................................................................................................................................ 12719.2 Description of Damage................................................................................................................ 12719.3 Current Status of HTHA Investigations and Inspection .......................................................... 12719.4 Screening Criteria for Carbon and C-½ Mo and Cr-Mo Low Alloy Steels .............................. 12819.5 Required Data .............................................................................................................................. 128
19.6 Determination of the Damage Factor ......................................................................................... 12819.6.1 Overview ................................................................................................................................ 12819.6.2 Inspection Effectiveness ..................................................................................................... 12819.6.3 Calculation of the Damage Factor ...................................................................................... 12819.6.4 Consideration of Susceptibility ........................................................................................... 12919.7 Nomenclature ................................................................................................................................ 12919.8 Tables ............................................................................................................................................ 13019.9 Figures ........................................................................................................................................... 13120 BRITTLE FRACTURE DF...................................................................................................................... 13220.1 Scope ............................................................................................................................................. 13220.2 Description of Damage ................................................................................................................ 13220.3 Screening Criteria ......................................................................................................................... 13320.4 Required Data ............................................................................................................................... 13320.5 Basic Assumption ........................................................................................................................ 13320.6 Determination of the DF ............................................................................................................... 13320.6.1 Overview ................................................................................................................................ 13320.6.2 Inspection Effectiveness ..................................................................................................... 13320.6.3 Calculation of the DF ............................................................................................................ 13420.7 Nomenclature ................................................................................................................................ 13520.8 Tables ............................................................................................................................................ 13620.9 Figures ........................................................................................................................................... 14221 LOW ALLOY STEEL EMBRITTLEMENT DAMAGE FACTOR ............................................................ 14321.1 Scope ............................................................................................................................................. 14321.2 Description of Damage ................................................................................................................ 14321.3 Screening Criteria ......................................................................................................................... 14321.4 Required Data ............................................................................................................................... 14321.5 Basic Assumption ........................................................................................................................ 14421.6 Determination of the Damage Factor ......................................................................................... 14421.6.1 Overview ................................................................................................................................ 14421.6.2 Inspection Effectiveness ..................................................................................................... 14421.6.3 Calculation of the Damage Factor ...................................................................................... 14421.7 Nomenclature ................................................................................................................................ 14521.8 References .................................................................................................................................... 14521.9 Table .............................................................................................................................................. 14621.10 Figures ........................................................................................................................................... 14722 885 °F EMBRITTLEMENT DF ............................................................................................................... 14822.1 Scope ............................................................................................................................................. 14822.2 Description of Damage ................................................................................................................ 14822.3 Screening Criteria ......................................................................................................................... 14822.4 Required Data ............................................................................................................................... 14822.5 Basic Assumption ........................................................................................................................ 14822.6 Determination of the Damage Factor ......................................................................................... 14922.6.1 Overview ................................................................................................................................ 14922.6.2 Inspection Effectiveness ..................................................................................................... 14922.6.3 Calculation of the DF ............................................................................................................ 14922.7 Nomenclature ................................................................................................................................ 14922.8 References .................................................................................................................................... 14922.9 Tables ............................................................................................................................................ 15022.10 Figures ........................................................................................................................................... 151
- Page 1 and 2: Risk-Based Inspection MethodologyAP
- Page 3 and 4: ForewordNothing contained in any AP
- Page 5 and 6: CONTENTS1 SCOPE ...................
- Page 7 and 8: 1-2 API RECOMMENDED PRACTICE 5811.4
- Page 9 and 10: 1-4 API RECOMMENDED PRACTICE 581The
- Page 11 and 12: 1-6 API RECOMMENDED PRACTICE 581The
- Page 13 and 14: 1-8 API RECOMMENDED PRACTICE 581A l
- Page 15 and 16: 1-10 API RECOMMENDED PRACTICE 581A
- Page 17 and 18: 1-12 API RECOMMENDED PRACTICE 581BF
- Page 19 and 20: 1-14 API RECOMMENDED PRACTICE 581MF
- Page 21 and 22: 1-16 API RECOMMENDED PRACTICE 5814
- Page 23 and 24: 1-18 API RECOMMENDED PRACTICE 581Me
- Page 25 and 26: 1-20 API RECOMMENDED PRACTICE 581A
- Page 27 and 28: 1-22 API RECOMMENDED PRACTICE 581As
- Page 29 and 30: 1-24 API RECOMMENDED PRACTICE 5814.
- Page 31 and 32: 1-26 API RECOMMENDED PRACTICE 5814.
- Page 33 and 34: 1-28 API RECOMMENDED PRACTICE 5815P
- Page 35 and 36: 1-30 API RECOMMENDED PRACTICE 58110
- Page 37 and 38: 1-32 API RECOMMENDED PRACTICE 581Ri
- Page 39 and 40: PART 2PROBABILITY OF FAILURE METHOD
- Page 41 and 42: 5.8 Figures .......................
- Page 43: 12.7 Nomenclature .................
- Page 47 and 48: Risk-Based Inspection MethodologyPa
- Page 49 and 50: RISK-BASED INSPECTION METHODOLOGY,
- Page 51 and 52: RISK-BASED INSPECTION METHODOLOGY,
- Page 53 and 54: RISK-BASED INSPECTION METHODOLOGY,
- Page 55 and 56: RISK-BASED INSPECTION METHODOLOGY,
- Page 57 and 58: RISK-BASED INSPECTION METHODOLOGY,
- Page 59 and 60: RISK-BASED INSPECTION METHODOLOGY,
- Page 61 and 62: RISK-BASED INSPECTION METHODOLOGY,
- Page 63 and 64: RISK-BASED INSPECTION METHODOLOGY,
- Page 65 and 66: RISK-BASED INSPECTION METHODOLOGY,
- Page 67 and 68: RISK-BASED INSPECTION METHODOLOGY,
- Page 69 and 70: RISK-BASED INSPECTION METHODOLOGY,
- Page 71 and 72: RISK-BASED INSPECTION METHODOLOGY,
- Page 73 and 74: RISK-BASED INSPECTION METHODOLOGY,
- Page 75 and 76: RISK-BASED INSPECTION METHODOLOGY,
- Page 77 and 78: RISK-BASED INSPECTION METHODOLOGY,
- Page 79 and 80: RISK-BASED INSPECTION METHODOLOGY,
- Page 81 and 82: RISK-BASED INSPECTION METHODOLOGY,
- Page 83 and 84: RISK-BASED INSPECTION METHODOLOGY,
- Page 85 and 86: RISK-BASED INSPECTION METHODOLOGY,
- Page 87 and 88: RISK-BASED INSPECTION METHODOLOGY,
- Page 89 and 90: RISK-BASED INSPECTION METHODOLOGY,
- Page 91 and 92: RISK-BASED INSPECTION METHODOLOGY,
- Page 93 and 94: RISK-BASED INSPECTION METHODOLOGY,
16 CORROSION UNDER INSULATION (CUI) DF—FERRITIC COMPONENT ....................................... 104
16.1 Scope ............................................................................................................................................ 104
16.2 Description of Damage................................................................................................................ 104
16.3 Screening Criteria ........................................................................................................................ 105
16.4 Required Data .............................................................................................................................. 106
16.5 Basic Assumption ....................................................................................................................... 106
16.6 Determination of the DF .............................................................................................................. 106
16.6.1 Overview ............................................................................................................................... 106
16.6.2 Inspection Effectiveness ..................................................................................................... 107
16.6.3 Calculation of the DF ........................................................................................................... 107
16.7 Nomenclature ............................................................................................................................... 110
16.8 References ................................................................................................................................... 112
16.9 Tables............................................................................................................................................ 113
16.10 Figures .......................................................................................................................................... 116
17 EXTERNAL CHLORIDE STRESS CORROSION CRACKING (EXTCLSCC) DF—AUSTENITIC
COMPONENT ................................................................................................................................................ 117
17.1 Scope ............................................................................................................................................ 117
17.2 Description of Damage................................................................................................................ 117
17.3 Screening Criteria ........................................................................................................................ 117
17.4 Required Data .............................................................................................................................. 117
17.5 Basic Assumption ....................................................................................................................... 117
17.6 Determination of the DF .............................................................................................................. 117
17.6.1 Overview ............................................................................................................................... 117
17.6.2 Inspection Effectiveness ..................................................................................................... 117
17.6.3 Calculation of the DF ........................................................................................................... 118
17.7 Nomenclature ............................................................................................................................... 119
17.8 Tables............................................................................................................................................ 119
17.9 Figures .......................................................................................................................................... 121
18 EXTERNAL CUI CLSCC DF—AUSTENITIC COMPONENT ............................................................... 121
18.1 Scope ............................................................................................................................................ 121
18.2 Description of Damage................................................................................................................ 121
18.3 Screening Criteria ........................................................................................................................ 122
18.4 Required Data .............................................................................................................................. 122
18.5 Basic Assumption ....................................................................................................................... 122
18.6 Determination of the DF .............................................................................................................. 122
18.6.1 Overview ............................................................................................................................... 122
18.6.2 Inspection Effectiveness ..................................................................................................... 122
18.6.3 Calculation of the DF ........................................................................................................... 123
18.7 Nomenclature ............................................................................................................................... 124
18.8 References ................................................................................................................................... 125
18.9 Tables............................................................................................................................................ 125
18.10 Figures .......................................................................................................................................... 126
19 HIGH TEMPERATURE HYDROGEN ATTACK (HTHA) DF ................................................................ 127
19.1 Scope ............................................................................................................................................ 127
19.2 Description of Damage................................................................................................................ 127
19.3 Current Status of HTHA Investigations and Inspection .......................................................... 127
19.4 Screening Criteria for Carbon and C-½ Mo and Cr-Mo Low Alloy Steels .............................. 128
19.5 Required Data .............................................................................................................................. 128
Change language