Steel Beam Sizes / AISC / M-Shapes / M8x6.5
M8x6.5 Steel Beam Dimensions and Properties
AISC Miscellaneous beams · v16.0
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
M8x6.5 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 | 6.50 lb/ft | 9.70 kg/m |
| Depth, d | 8.00 in | 203.00 mm |
| Flange width, bf | 2.28 in | 57.90 mm |
| tw | 0.135 in | 3.430 mm |
| tf | 0.189 in | 4.800 mm |
| Area | 1.92 in² | 1,240.00 mm² |
| Ix | 18.50 in⁴ | 7,700,000 mm⁴ |
| Iy | 0.38 in⁴ | 157,000.00 mm⁴ |
| Sx | 4.63 in³ | 75,900.00 mm³ |
| Sy | 0.33 in³ | 5,390.00 mm³ |
| Zx | 5.43 in³ | 89,000.00 mm³ |
| Zy | 0.53 in³ | 8,670.00 mm³ |
| rx | 3.11 in | 79.00 mm |
| ry | 0.44 in | 11.30 mm |
| J | 0.02 in⁴ | 7,660.00 mm⁴ |
| Cw | 5.73 in⁶ | 1,540,000,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus M8x6.5.
Source: AISC Shapes Database v16.0 · Methodology