Wall thickness for every NPS pipe size, across schedules 5S through XXS. Click any cell for
OD, wall, and computed ID. Search a size, or tap a schedule to highlight its column.
ASME B36.10 / B36.1940 NPS sizes, 1/8″–72″17 schedulesUS & SI units
Loading…US Customary · ASME B36.10/19 · Click a cell for details
Loading pipe schedule data…
⚠️
For Educational & Estimation Purposes Only
Wall-thickness values are sourced from ASME B36.10 / B36.19 as published by Octal Steel,
Wellgrow Industries Corp., and Mirage/Enerpac, cross-verified against Engineering ToolBox's
independent tables. Provided for educational and preliminary estimation use only — always
verify against current ASME publications and applicable engineering standards before use in
any structural or piping design. StructBase accepts no
liability for errors or omissions in the data.