API RP 581 - 3rd Ed.2016 - Add.2-2020 - Risk-Based Inspection Methodology

19.6 Determination of the Damage Factor ......................................................................................... 128
19.6.1 Overview ................................................................................................................................ 128
19.6.2 Inspection Effectiveness ..................................................................................................... 128
19.6.3 Calculation of the Damage Factor ...................................................................................... 128
19.6.4 Consideration of Susceptibility ........................................................................................... 129
19.7 Nomenclature ................................................................................................................................ 129
19.8 Tables ............................................................................................................................................ 130
19.9 Figures ........................................................................................................................................... 131
20 BRITTLE FRACTURE DF...................................................................................................................... 132
20.1 Scope ............................................................................................................................................. 132
20.2 Description of Damage ................................................................................................................ 132
20.3 Screening Criteria ......................................................................................................................... 133
20.4 Required Data ............................................................................................................................... 133
20.5 Basic Assumption ........................................................................................................................ 133
20.6 Determination of the DF ............................................................................................................... 133
20.6.1 Overview ................................................................................................................................ 133
20.6.2 Inspection Effectiveness ..................................................................................................... 133
20.6.3 Calculation of the DF ............................................................................................................ 134
20.7 Nomenclature ................................................................................................................................ 135
20.8 Tables ............................................................................................................................................ 136
20.9 Figures ........................................................................................................................................... 142
21 LOW ALLOY STEEL EMBRITTLEMENT DAMAGE FACTOR ............................................................ 143
21.1 Scope ............................................................................................................................................. 143
21.2 Description of Damage ................................................................................................................ 143
21.3 Screening Criteria ......................................................................................................................... 143
21.4 Required Data ............................................................................................................................... 143
21.5 Basic Assumption ........................................................................................................................ 144
21.6 Determination of the Damage Factor ......................................................................................... 144
21.6.1 Overview ................................................................................................................................ 144
21.6.2 Inspection Effectiveness ..................................................................................................... 144
21.6.3 Calculation of the Damage Factor ...................................................................................... 144
21.7 Nomenclature ................................................................................................................................ 145
21.8 References .................................................................................................................................... 145
21.9 Table .............................................................................................................................................. 146
21.10 Figures ........................................................................................................................................... 147
22 885 °F EMBRITTLEMENT DF ............................................................................................................... 148
22.1 Scope ............................................................................................................................................. 148
22.2 Description of Damage ................................................................................................................ 148
22.3 Screening Criteria ......................................................................................................................... 148
22.4 Required Data ............................................................................................................................... 148
22.5 Basic Assumption ........................................................................................................................ 148
22.6 Determination of the Damage Factor ......................................................................................... 149
22.6.1 Overview ................................................................................................................................ 149
22.6.2 Inspection Effectiveness ..................................................................................................... 149
22.6.3 Calculation of the DF ............................................................................................................ 149
22.7 Nomenclature ................................................................................................................................ 149
22.8 References .................................................................................................................................... 149
22.9 Tables ............................................................................................................................................ 150
22.10 Figures ........................................................................................................................................... 151