ASME B31G. A-factor

Calculate intermediate factor related to the geometry of the corroded area.

Usage

b31gafr(d, wth, l)

Arguments

d

nominal outside diameter of pipe, [inch]. Type: assert_double.

wth

nominal wall thickness of pipe, [inch]. Type: assert_double.

l

measured maximum longitudinal length of the corroded area, [inch]. Type: assert_double.

Value

Intermediate factor related to the geometry of the corroded area, []. Type: assert_double.

References

ASME B31G-1991. Manual for determining the remaining strength of corroded pipelines. A supplement to ASTME B31 code for pressure piping.

See also

Other ASME B31G functions: b31crvl(), b31gacd(), b31gacl(), b31gdep(), b31gmodpf(), b31gops(), b31gpf(), b31gsap()

Examples

 library(pipenostics)

 b31gafr(30, .438, 7.5)
#> [1] 1.847
 # [1] 1.847  # A-factor is less than 5, so the corrosion is not critical