Common context
Common project roles include columns, braces, posts, rails, supports, and exposed round framing where the specified pipe product is appropriate.
51 AISC v16.0 records
AISC Structural pipe sections.
A PIPE entry describes a circular section using nominal pipe size and a schedule or weight class. Its outside diameter may remain constant across schedules while wall thickness, inside diameter, weight, and properties change.
Detailing watch
Verify product specification, schedule, wall thickness, end preparation, connection fit, galvanizing or venting, and do not assume pipe and round HSS requirements are interchangeable.
Use the directory as a reference
How to read the PIPE records
Read the Manual label and EDI identifier together. A schedule identifier and a STD, XS or XXS label can describe the same listed row; nominal pipe size is not generally the measured outside diameter.
For geometry, compare OD, ID, tnom and tdes. Preserve the product specification separately and do not treat round HSS as an automatic replacement.
This dataset contains 51 PIPE records, with nominal weights from 0.85 to 136 lb/ft and listed outside diameter values from 0.84 to 26 in. These ranges describe the published records, not current supplier inventory or a selection recommendation.
Start with the exact designation, open its full record, then compare only the dimensions and properties relevant to your task. For example, Pipe16XS lists 82.9 lb/ft, 22 in² area, Ix = 665 in⁴ and Iy = 665 in⁴. The x and y labels retain the database axes; their values do not establish allowable loads.
The AISC v16.0 workbook Readme defines the variables and shape figures. This directory uses the US customary record; the comparison tool converts displayed units. Check the required edition and product specification before transferring data.
Worked quantity example
Nominal weight for Pipe16XS
Assume 3 pieces, each 20 ft (6.096 m) long. This is a hypothetical quantity example, not a stock-length or lifting recommendation.
| Quantity | Calculation | Nominal pounds | Kilogram equivalent |
|---|---|---|---|
| One 20 ft piece | 20 ft × 82.9 lb/ft | 1,658 lb | 752.056 kg |
| 3 pieces | 3 × 1,658 lb | 4,974 lb | 2,256.168 kg |
Conversion: 1 lb = 0.45359237 kg; displayed results are rounded. This multiplication excludes connection plates, bolts, weld metal, coatings, cutting allowances and actual material variation. Use the material takeoff for your own lengths and quantities.
Crawlable designation index
All PIPE shape records.
Showing all 51 records.
| Designation | Weight | Depth / OD / d | Area | X-axis Sx |
|---|---|---|---|---|
| Pipe26STD | 103 lb/ft | 26 in | 28.2 in² | 178 in³ |
| Pipe24STD | 94.7 lb/ft | 24 in | 26 in² | 152 in³ |
| Pipe20STD | 78.7 lb/ft | 20 in | 21.6 in² | 104 in³ |
| Pipe18STD | 70.7 lb/ft | 18 in | 19.4 in² | 84 in³ |
| Pipe16STD | 62.6 lb/ft | 16 in | 17.2 in² | 65.9 in³ |
| Pipe14STD | 54.6 lb/ft | 14 in | 15 in² | 50 in³ |
| Pipe12STD | 49.6 lb/ft | 12.75 in | 13.7 in² | 41 in³ |
| Pipe10STD | 40.5 lb/ft | 10.75 in | 11.5 in² | 28.1 in³ |
| Pipe8STD | 28.6 lb/ft | 8.625 in | 7.85 in² | 15.8 in³ |
| Pipe6STD | 19 lb/ft | 6.625 in | 5.2 in² | 7.99 in³ |
| Pipe5STD | 14.6 lb/ft | 5.563 in | 4.01 in² | 5.14 in³ |
| Pipe4STD | 10.8 lb/ft | 4.5 in | 2.96 in² | 3.03 in³ |
| Pipe3-1/2STD | 9.12 lb/ft | 4 in | 2.5 in² | 2.26 in³ |
| Pipe3STD | 7.58 lb/ft | 3.5 in | 2.07 in² | 1.63 in³ |
| Pipe2-1/2STD | 5.8 lb/ft | 2.875 in | 1.61 in² | 1.01 in³ |
| Pipe2STD | 3.66 lb/ft | 2.375 in | 1.02 in² | 0.528 in³ |
| Pipe1-1/2STD | 2.72 lb/ft | 1.9 in | 0.749 in² | 0.309 in³ |
| Pipe1-1/4STD | 2.27 lb/ft | 1.66 in | 0.625 in² | 0.222 in³ |
| Pipe1STD | 1.68 lb/ft | 1.315 in | 0.469 in² | 0.126 in³ |
| Pipe3/4STD | 1.13 lb/ft | 1.05 in | 0.312 in² | 0.067 in³ |
| Pipe1/2STD | 0.85 lb/ft | 0.84 in | 0.234 in² | 0.039 in³ |
| Pipe26XS | 136 lb/ft | 26 in | 36.1 in² | 227 in³ |
| Pipe24XS | 126 lb/ft | 24 in | 33.3 in² | 192 in³ |
| Pipe20XS | 104 lb/ft | 20 in | 27.6 in² | 132 in³ |
| Pipe18XS | 93.5 lb/ft | 18 in | 24.8 in² | 106 in³ |
| Pipe16XS | 82.9 lb/ft | 16 in | 22 in² | 83.1 in³ |
| Pipe14XS | 72.2 lb/ft | 14 in | 19.2 in² | 62.9 in³ |
| Pipe12XS | 65.5 lb/ft | 12.75 in | 17.5 in² | 53.2 in³ |
| Pipe10XS | 54.8 lb/ft | 10.75 in | 15.1 in² | 37 in³ |
| Pipe8XS | 43.4 lb/ft | 8.625 in | 11.9 in² | 23.1 in³ |
| Pipe6XS | 28.6 lb/ft | 6.625 in | 7.83 in² | 11.6 in³ |
| Pipe5XS | 20.8 lb/ft | 5.563 in | 5.73 in² | 7.02 in³ |
| Pipe4XS | 15 lb/ft | 4.5 in | 4.14 in² | 4.05 in³ |
| Pipe3-1/2XS | 12.5 lb/ft | 4 in | 3.43 in² | 2.97 in³ |
| Pipe3XS | 10.3 lb/ft | 3.5 in | 2.83 in² | 2.11 in³ |
| Pipe2-1/2XS | 7.67 lb/ft | 2.875 in | 2.1 in² | 1.27 in³ |
| Pipe2XS | 5.03 lb/ft | 2.375 in | 1.4 in² | 0.696 in³ |
| Pipe1-1/2XS | 3.63 lb/ft | 1.9 in | 1 in² | 0.392 in³ |
| Pipe1-1/4XS | 3 lb/ft | 1.66 in | 0.837 in² | 0.278 in³ |
| Pipe1XS | 2.17 lb/ft | 1.315 in | 0.602 in² | 0.154 in³ |
| Pipe3/4XS | 1.48 lb/ft | 1.05 in | 0.407 in² | 0.082 in³ |
| Pipe1/2XS | 1.09 lb/ft | 0.84 in | 0.303 in² | 0.046 in³ |
| Pipe12XXS | 126 lb/ft | 12.75 in | 35.4 in² | 97.6 in³ |
| Pipe10XXS | 104 lb/ft | 10.75 in | 28.8 in² | 65.6 in³ |
| Pipe8XXS | 72.5 lb/ft | 8.625 in | 20 in² | 35.8 in³ |
| Pipe6XXS | 53.2 lb/ft | 6.625 in | 14.7 in² | 19.2 in³ |
| Pipe5XXS | 38.6 lb/ft | 5.563 in | 10.7 in² | 11.6 in³ |
| Pipe4XXS | 27.6 lb/ft | 4.5 in | 7.66 in² | 6.53 in³ |
| Pipe3XXS | 18.6 lb/ft | 3.5 in | 5.17 in² | 3.31 in³ |
| Pipe2-1/2XXS | 13.7 lb/ft | 2.875 in | 3.83 in² | 1.94 in³ |
| Pipe2XXS | 9.04 lb/ft | 2.375 in | 2.51 in² | 1.07 in³ |
Values are derived from the AISC Shapes Database v16.0 in US customary units. Open a designation for its full property table, nominal profile, downloads, source notes, and limitations.