By Carlos Molina

This time we are going to check radiographic testing for welds in new tanks, an introduction. The BOK for the API 653 exam says:

2. Radiographic Examination:

The inspector should be familiar with and understand:

1. The Scope of Article 2 and general requirements [of ASME V].

2. The rules for radiography as typically applied on butt welded AST horizontal and vertical seams such as, but not limited to:

required marking type.

selection.

number, and placement of IQIs.

allowable density control of backscatter radiation

location markers

3. Records

I will try to simplify this subject as much as posible for the people who is studying for the API 653 exam. (more…)