Friday, August 29, 2008

Interpretation of Radiographic images

Interpretation if radiographic images for discontinuities in the welds

 

Transverse crack

Logitudinal Crack

Internal concavity

Burn through

Logitudinal root crack

Tungsten Inclusions

Elongated Slag Lines

Lack of Side wall fusion

Offset or Mismatch

Offset or Mismatch with LOP

Interpass slag inclusions

Incomplete penetration or LOP

Interpass Cold Lap

Scattered porosity

External porosity

External concavity

Excessive penetration

Cluster porosity

Root pass aligned porosity

External undercut

Internal undercut

 

 

 

No comments:

Re: [MW:35507] WPS for Furnace PWHT

As per ASME B31.3, Clause 331.1.6 (b): Any required PWHT shall be carried out in accordance with the qualified WPS. For furnace PWHT inv...