Steel Beam Sizes / Australia / Welded Beams / 1200 WB 342
1200 WB 342 Steel Beam Dimensions and Properties
ASNZS Welded beams · v2019.11
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
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
Same-series weight neighbors, closest Ix, 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%)
Closest Iₓ 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