MIL-DTL-45195F (AR)
TABLE I. Radiographic defects size
Cast
Defects
Segments (See figure 1)
A
B
C
D
(in²)
Sum of projected areas
5/16
5/8
5/8
-
of shrink porosity
(in²)
Sum of projected areas
*1/64
1/4
1/2
1/2
of cavities, excluding
pipes, cracks, annular rings
and porosity.
Projected length of
(in)
1/8
1/2
1/2
3/4
any cavity excluding
pipes, cracks,
annular rings and porosity.
(in²)
Piping cavities maximum
0
1/4
1/2
-
projected area.
Piping cavities maximum
(in)
0
1/4
1/4
-
projected width.
Cracks, maximum
(in)
1/32
1/32
1/16
-
projected width.
Annular rings, maximum
projected width.
(in)
0
0
1/4
-
Notes:
* If the length of the largest cavity is 1/16 inch or less,
the maximum total projected area may be 1/20 in².
Piping cavitation is defined as cavitation located on or
near the vertical center line of the projectile with the
longitudinal axis three times or greater than the width.
An Annular ring is defined as cavitation that takes the form
of a ring or portion thereof around the periphery of the
cast.
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