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…)