Pipe Fit-Up Tolerance Calculator

Calculate pipe fit-up tolerances including hi-lo misalignment and root gap per ASME B31.3 and AWS D1.1

Input Parameters

Results

--
Max Hi-Lo Misalignment
in
--
Root Gap Min
in
--
Root Gap Max
in
--
Taper Required
Note: Fit-up tolerances per ASME B31.3 para 328.4.3. Different codes have different requirements.

Reference

ASME B31.3: Max hi-lo = lesser of 1/16" or 0.25t Root gap tolerance: +/- 1/16" Wall thickness transition: 3:1 taper when delta > 1/16"