Steel Beam Sizes / Australia / Welded Columns / 400 WC 181
400 WC 181 Dimensions, Weight and Section Properties
ASNZS Welded columns · v2019.11
400 WC 181: 390 mm depth, 400 mm flange width, 181 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
400 WC 181 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 | 121.63 lb/ft | 181.00 kg/m |
| Depth, d | 15.35 in | 390.00 mm |
| Flange width, bf | 15.75 in | 400.00 mm |
| tw | 0.787 in | 20.000 mm |
| tf | 0.787 in | 20.000 mm |
| Area | 35.65 in² | 23,000.00 mm² |
| Ix | 1,489.56 in⁴ | 620,000,000 mm⁴ |
| Iy | 514.14 in⁴ | 214,000,000 mm⁴ |
| Sx | 194.02 in³ | 3,179,487 mm³ |
| Sy | 65.30 in³ | 1,070,000 mm³ |
| Zx | 217.85 in³ | 3,570,000 mm³ |
| Zy | 100.08 in³ | 1,640,000 mm³ |
| rx | 6.46 in | 164.18 mm |
| ry | 3.80 in | 96.46 mm |
| J | 7.38 in⁴ | 3,070,000 mm⁴ |
| Cw | 27,221.69 in⁶ | 7,310,000,259,072 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus 400 WC 181.
Lighter in Welded columns
400 WC 144
- Weight
- 144.0 kg/m (-20%)
- Depth
- 382.0 mm (-2.1%)
- Ix
- 486,000,000 mm⁴ (-22%)
Heavier in Welded columns
350 WC 197
- Weight
- 197.0 kg/m (+8.8%)
- Depth
- 331.0 mm (-15%)
- Ix
- 486,000,000 mm⁴ (-22%)
Another Iₓ option in Welded columns
350 WC 258
- Weight
- 258.0 kg/m (+43%)
- Depth
- 347.0 mm (-11%)
- Ix
- 661,000,000 mm⁴ (+6.6%)
Source: Australian-Sections.xlsx (Sheets 1-19) · v2019.11 · Methodology