Any surface indication found must be evaluated based on the acceptance standards of the referencing code (e.g., Section VIII allows different defect levels than B31.3). Date of examination. Procedure ID and Revision. Component or weld identification. Inspector's name and qualification level. Equipment used. Results (Accepted/Rejected). Sketch or photo of defects (if required). Summary of Key Requirements (T-940) Requirement Procedure Written Procedure Required Vision Test Annual J-1 Jaeger-type Test Direct Distance Direct Angle >30∘is greater than 30 raised to the composed with power Lighting Cleaning Required before examination Common Inspection Challenges Limited Access: Difficulty getting the eye within (requires remote tools).
Although modern editions of Section V have streamlined some descriptive text, the technical requirements established by Article 9 regarding viewing conditions remain essential.
The scope of Article 9 is clearly defined in Paragraph T-910. Specific visual examination procedures required for every type of examination are not included in this Article, because there are many applications where visual examinations are required. Examples of these applications include nondestructive examinations, leak testing, in-service examinations, and fabrication procedures. asme section v article 9
: Also known as "candling," this involves using artificial light to shine through translucent materials (like laminates) to detect thickness variations or subsurface flaws. 3. Critical Variables and Equipment Illumination : A minimum light intensity of 100 footcandles (1000 lux)
The surface and adjacent areas must be clean, dry, and free from: Any surface indication found must be evaluated based
A change in the specific type of linear measuring tools (e.g., switching from a standard ruler to digital calipers). 4. Physical Requirements for Direct Visual Examination
Older editions are sometimes available through public archives (e.g., the 2001 edition on Archive.org), but users should always refer to the latest applicable edition mandated by their project or jurisdiction. Component or weld identification
Evaluating the finished weld surface for cracks, profile issues, and reinforcement.
This is the traditional method where the inspector's eye is used directly. For it to be valid, the inspector must have access to place their eye within 24 inches (600 mm) of the surface being examined. Furthermore, the line of sight to the surface must be at an angle not less than 30 degrees to the surface. This ensures that the inspector can observe the surface contour and detect flaws like undercut or lack of fusion.
The ASME BPVC is updated every two years. The 2023 edition saw a Summary of Significant Changes document published for Section V, which includes Article 9. Notable recent trends and updates to be aware of include:
Based on the requirements of ASME Section V Article 9, the following recommendations are made: