Article 9 Better: Asme Section V
ASME Section V, Article 9 provides the foundational requirements for Visual Examination (VT)
T-925 – Surface Preparation
- Surface must be clean, free of scale, weld spatter, dirt, paint, or other contaminants that could mask discontinuities.
- Required preparation level depends on the referencing Code Section.
5. Evaluation of Indications
Article 9 defines how to look, but it generally does not define acceptance criteria. The acceptance criteria come from the referencing Code Section (e.g., Section VIII, Div 1, or B31.3). asme section v article 9
Lighting Intensity: The standard requires a minimum light intensity at the examination surface. ASME Section V, Article 9 provides the foundational
Under T-921, visual examinations must be performed according to a written procedure Surface must be clean, free of scale, weld
8. Common Non-Mandatory Appendices
- C-9: Guidance on visual examination (lighting, viewing aids, examiner qualification)
