HSS18×18×5/16 square/rectangular HSS tube
HSS18×18×5/16 weighs 74.38 lb per foot. Detailing dimensions and section properties below come from the AISC Shapes Database, 16th Edition. Values are shown to the nearest 1/16 in. as they appear on a shop drawing.
Detailing dimensions
| Depth (Ht) | 18" |
|---|---|
| Width (B) | 18" |
| Nominal wall (t) | 5/16" |
Section properties
| Weight | 74.38 lb/ft |
|---|---|
| Area (A) | 20.4 in² |
| Ix | 1060 in⁴ |
| Sx | 118 in³ |
| Zx | 135 in³ |
| rx | 7.21 in |
| Iy | 1060 in⁴ |
| Sy | 118 in³ |
| Zy | 135 in³ |
| ry | 7.21 in |
| J | 1630 in⁴ |
Detailing values are rounded to the nearest 1/16 in. per the AISC Steel Construction Manual. Verify critical dimensions against the current Manual before fabrication. Need HSS18×18×5/16 cut, formed, or fabricated? Huntington Steel & Supply Co.