Pipe Schedule Lookup

Pick a nominal pipe size and schedule to see the outside diameter, wall thickness, inside diameter and weight of carbon steel pipe to ASME B36.10M. The full chart below highlights your selection.

Nominal pipe size (NPS)

Schedule

Notes

Dimensions are from ASME B36.10M for welded and seamless wrought steel pipe. Stainless steel “S” schedules (ASME B36.19M) differ from these at some sizes.
Weight is calculated for plain-end carbon steel with a density of 7850 kg/m³, empty.
STD equals Sch 40 up to NPS 10; XS equals Sch 80 up to NPS 8.