Visual Inspections

Visual Inspections

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Visual Inspection is one of the most effective inspection method used to check overall product quality. During the visual inspection, you will check for the overall product finish.

You will check for surface imperfections such as mechanical marks, lamination, tears or any other visual imperfections and also check weld defects such as porosity, undercuts, uneven weld bead, and excess or underfill of weld material. Acceptance of these imperfections is as per applicable ASTM standard.

Dimension inspection of the pipe is carried out based on the Dimension Standard, the final dimension of the pipe must confirm the following standard or it should be as specified in the purchaser’s specification.

  • For Welded and Seamless Wrought Steel Pipe dimensional requirements are cover in ASME B36.10
  • For Stainless Steel Pipe dimensional requirements are cover in ASME B36.19

During a dimensional inspection, following to be confirmed with standard

  • Diameter
  • Length
  • Thickness
  • Straightness
  • Ovality &
  • Weight

Permissible Variations depends on manufacturing standard.


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