Use GOST 30732 specifications to derive the value of the pipe wall thickness if only its diameter is known for the pipe.
Details
Utility should be used only in cases where the actual value of the pipe wall thickness cannot be determined by any other means. In many cases internal diameter may be used instead of outside one without significant loss in precision. The wall thickness value is derived only for the diameters mentioned in Minenergo Order 325.
Unfortunately, the inverse function cannot be constructed in any reliable way due to significant ambiguity.
References
GOST 30732. Steel pipes and shaped products with foamed polyurethane thermal insulation in protective sheath. Specifications.
Examples
library(pipenostics)
# Guess pipe widths for some frequently met diameters
wth_d(as.double(c(57, 76, 89)))
#> [1] 3 3 4
# [1] 3 7 11 # [mm]