Steel Beam Sizes / CISC / S-Shapes / S380×74
S380×74 Steel Beam Dimensions and Properties
CISC American standard beams · v12.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
S380×74 dimensions
Not to scale. Dimensions shown for reference.
Section properties
Symbols match the steel section finder. Imperial and metric values are shown side by side.
| Property | Imperial | Metric |
|---|---|---|
| Weight | 50.00 lb/ft | 74.00 kg/m |
| Depth, d | 15.00 in | 381.00 mm |
| Flange width, bf | 5.63 in | 143.00 mm |
| tw | 0.551 in | 14.000 mm |
| tf | 0.622 in | 15.800 mm |
| Area | 14.73 in² | 9,500.00 mm² |
| Ix | 487.71 in⁴ | 203,000,000 mm⁴ |
| Iy | 15.59 in⁴ | 6,490,000 mm⁴ |
| Sx | 64.69 in³ | 1,060,000 mm³ |
| Sy | 5.54 in³ | 90,800.00 mm³ |
| Zx | 77.50 in³ | 1,270,000 mm³ |
| Zy | 10.01 in³ | 164,000.00 mm³ |
| rx | 5.75 in | 146.00 mm |
| ry | 1.03 in | 26.10 mm |
| J | 2.12 in⁴ | 884,000.00 mm⁴ |
| Cw | 808.09 in⁶ | 217,000,000,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus S380×74.
Source: CISC Structural Section Tables SST12.1 · v12.1 · Availability: Not produced in Canada. · Methodology