Inspection and NDE Curriculum
FFS
Module from the Inspection and NDE Curriculum curriculum.
Module 9 - Fitness-for-Service (API 579-1) · Learning Objectives · 1. Distinguish Level 1 (screening) / Level 2 (standard) / Level 3 (detailed FEA/FMD) · 2. Apply Level 1 for LTA using Part 4 procedures · 3. Apply Level 1 for pitting (Part 6), blisters (Part 7), dents (Part 8) · 4. Apply Level 2 for crack-like flaws (Part 9) using FAD · 5. Evaluate creep (Part 10), brittle fracture (Part 3), fatigue (Part 14) · API 579 Part Overview
| Part | Subject | Damage Type | Level Types | Notes | Use |
|---|---|---|---|---|---|
| Part 3 | Brittle fracture | Low-temperature service | 1, 2, 3 | Charpy, MAT | Cold service |
| Part 4 | Local thin area (LTA) | General or local corrosion | 1, 2 | Very common | Piping + vessel |
| Part 5 | Pitting | Local attack | 1, 2 | Per pit depth | CS/alloy |
| Part 6 | Blisters + HIC | Hydrogen-induced | 1, 2 | Wet H2S | Sour |
| Part 7 | Creep | Creep damage | 1, 2, 3 | Remaining creep life | Hot service |
| Part 8 | Fire damage | Post-fire | 1, 2 | Charpy retest | After fire |
| Part 9 | Crack-like flaws | Cracks | 2, 3 | FAD | Piping girth |
| Part 10 | Creep remaining life | Creep | 1, 2, 3 | Life frac | Long-term |
| Part 11 | Fatigue | Cyclic | 1, 2, 3 | S-N curve | Cyclic service |
| Part 12 | Dent + gouge | Mechanical damage | 1, 2 | Depth, strain | Piping |
Source: Inspection_NDE_Curriculum_v1.xlsx · Sheet: FFS
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