What Is the Minimum Acceptance Criteria for the Depth of Porosity

question 11

Multiple Choice

What is the minimum acceptance criteria for the depth of porosity for visual inspection of tubing welds?

• A) No porosity allowed
• B) 1/64 in. (0.4 mm)
• C) 25% of the base metal thickness
• D) Okay as long as the weld does not leak

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