Calculate intermediate factor related to the geometry of the corroded zone.
b31gafr(d, wth, l)
nominal outside diameter of the pipe, [inch]. Type: assert_double
.
nominal wall thickness of the pipe, [inch]. Type: assert_double
.
measured maximum longitudinal length of the corroded area, [inch].
Type: assert_double
.
Intermediate factor related to the geometry of the corroded area, [].
Type: assert_double
.
ASME B31G-1991. Manual for determining the remaining strength of corroded pipelines. A supplement to ASTME B31 code for pressure piping.
b31gafr(30, .438, 7.5)
#> [1] 1.847
# [1] 1.847 # A-factor is less than 5, so the corrosion is not critical