Steel Beam Sizes / AISC / W-Shapes / W8 / W8x48
W8x48 Dimensions, Weight and Section Properties
AISC Wide flange · v16.0
W8x48: 8.5 in depth, 8.11 in flange width, 48 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
W8x48 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 | 48.00 lb/ft | 71.00 kg/m |
| Depth, d | 8.50 in | 216.00 mm |
| Flange width, bf | 8.11 in | 206.00 mm |
| tw | 0.400 in | 10.200 mm |
| tf | 0.685 in | 17.400 mm |
| Area | 14.10 in² | 9,100.00 mm² |
| Ix | 184.00 in⁴ | 76,600,000 mm⁴ |
| Iy | 60.90 in⁴ | 25,300,000 mm⁴ |
| Sx | 43.20 in³ | 708,000.00 mm³ |
| Sy | 15.00 in³ | 246,000.00 mm³ |
| Zx | 49.00 in³ | 803,000.00 mm³ |
| Zy | 22.90 in³ | 375,000.00 mm³ |
| rx | 3.61 in | 91.70 mm |
| ry | 2.08 in | 52.80 mm |
| J | 1.96 in⁴ | 816,000.00 mm⁴ |
| Cw | 931.00 in⁶ | 250,000,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus W8x48.
Lighter in W8
W8x40
- Weight
- 40.0 lb/ft (-17%)
- Depth
- 8.25 in (-2.9%)
- Ix
- 146.0 in⁴ (-21%)
Heavier in W8
W8x58
- Weight
- 58.0 lb/ft (+21%)
- Depth
- 8.75 in (+2.9%)
- Ix
- 228.0 in⁴ (+24%)
Another Iₓ option in W8
W8x35
- Weight
- 35.0 lb/ft (-27%)
- Depth
- 8.12 in (-4.5%)
- Ix
- 127.0 in⁴ (-31%)
Similar weight in W10
W10x49
- Weight
- 49.0 lb/ft (+2.1%)
- Depth
- 10.00 in (+18%)
- Ix
- 272.0 in⁴ (+48%)
Source: AISC Shapes Database v16.0 · Methodology