NDT Acceptance Criteria for Various Components

NDT Acceptance Criteria for Various Components

1. Pressure Vessel

• RT (Radiographic Testing): ASME Sec.VIII / Mandatory Appendix 8-4 / Clause 4-3

• UT (Ultrasonic Testing): ASME Sec.VIII / Mandatory Appendix 12-3

• PT (Penetrant Testing): ASME Sec.VIII / Mandatory Appendix 8-4

• MT (Magnetic Particle Testing): ASME Sec.VIII / Mandatory Appendix 6-4

• VT (Visual Testing): ASME Sec.VIII / UW-35

• LT (Leak Testing): ASME Sec.V Article 10

• MFL (Magnetic Flux Leakage): ASME Sec.VIII / Mandatory Appendix 6-4

2. Piping Process

• RT: ASME B31.3 / Table 341.3.2

• UT: ASME B31.3 / Para 344.6.2

• PT: ASME B31.3 / Para 344.4.2 / Sec Viii appendix 8

• MT: ASME B31.3 / Para 344.4.2

• VT: ASME B31.3 / Table 341.3.2

• LT: ASME B31.3 / Para 345.2.2(a)

3. Valves (Flanged, Threaded, and Welding End)

• RT: ASME B16.34 / Appendix I

• UT: ASME B16.34 / Appendix IV

• PT: ASME B16.34 / Appendix III

• MT: ASME B16.34 / Appendix II

• VT: ASME B16.34 (Not Specified)

• LT: ASME B16.34 (Not Specified)

4. Pipeline

• RT: API 1104 / Clause 9.3

• UT: API 1104 / Clause 9.6

• PT: API 1104 / Clause 9.5

• MT: API 1104 / Clause 9.4 / Sec viii app-6

• VT: API 1104 / Clause 9.7

• LT: API 1104 (Not Specified)