Steel Beam Sizes / Australia / Welded Beams / 1200 WB 342
1200 WB 342 Dimensions, Weight and Section Properties
ASNZS Welded beams · v2019.11
1200 WB 342: 1,184 mm depth, 400 mm flange width, 342 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
1200 WB 342 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 | 229.81 lb/ft | 342.00 kg/m |
| Depth, d | 46.61 in | 1,184.00 mm |
| Flange width, bf | 15.75 in | 400.00 mm |
| tw | 0.630 in | 16.000 mm |
| tf | 1.260 in | 32.000 mm |
| Area | 67.46 in² | 43,520.00 mm² |
| Ix | 24,986.10 in⁴ | 10,400,000,000 mm⁴ |
| Iy | 821.66 in⁴ | 342,000,000 mm⁴ |
| Sx | 1,072.04 in³ | 17,567,568 mm³ |
| Sy | 104.35 in³ | 1,710,000 mm³ |
| Zx | 1,208.27 in³ | 19,800,000 mm³ |
| Zy | 160.49 in³ | 2,630,000 mm³ |
| rx | 19.25 in | 488.85 mm |
| ry | 3.49 in | 88.65 mm |
| J | 24.75 in⁴ | 10,300,000 mm⁴ |
| Cw | 420,800.41 in⁶ | 113,000,002,355,200 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus 1200 WB 342.
Lighter in Welded beams
1000 WB 322
- Weight
- 322.0 kg/m (-5.8%)
- Depth
- 1,024.0 mm (-14%)
- Ix
- 7,480,000,000 mm⁴ (-28%)
Heavier in Welded beams
1200 WB 392
- Weight
- 392.0 kg/m (+15%)
- Depth
- 1,184.0 mm (0.0%)
- Ix
- 12,499,999,744 mm⁴ (+20%)
Another Iₓ option in Welded beams
1200 WB 317
- Weight
- 317.0 kg/m (-7.3%)
- Depth
- 1,176.0 mm (-0.7%)
- Ix
- 9,260,000,256 mm⁴ (-11%)
Source: Australian-Sections.xlsx (Sheets 1-19) · v2019.11 · Methodology