Steel Beam Sizes / Australia / Welded Columns / 400 WC 303

400 WC 303 Steel Beam Dimensions and Properties

ASNZS Welded columns · v2019.11

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Diagram, properties emphasis, and nearby alternatives use the selected unit system.

Units

Section diagram

400 WC 303 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 203.61 lb/ft 303.00 kg/m
Depth, d 16.61 in 422.00 mm
Flange width, bf 15.75 in 400.00 mm
tw 1.102 in 28.000 mm
tf 1.417 in 36.000 mm
Area 59.83 in² 38,600.00 mm²
Ix 2,834.96 in⁴ 1,180,000,000 mm⁴
Iy 924.97 in⁴ 385,000,000 mm⁴
Sx 341.27 in³ 5,592,417 mm³
Sy 117.47 in³ 1,925,000 mm³
Zx 391.77 in³ 6,420,000 mm³
Zy 180.02 in³ 2,950,000 mm³
rx 6.88 in 174.84 mm
ry 3.93 in 99.87 mm
J 36.04 in⁴ 15,000,000 mm⁴
Cw 53,251.73 in⁶ 14,300,000,288,768 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus 400 WC 303.

Lighter in Welded columns

500 WC 290

Weight
290.0 kg/m (-4.3%)
Depth
506.0 mm (+20%)
Ix
1,750,000,000 mm⁴ (+48%)

Heavier in Welded columns

400 WC 328

Weight
328.0 kg/m (+8.3%)
Depth
430.0 mm (+1.9%)
Ix
1,320,000,000 mm⁴ (+12%)

Closest Iₓ in Welded columns

500 WC 228

Weight
228.0 kg/m (-25%)
Depth
490.0 mm (+16%)
Ix
1,260,000,000 mm⁴ (+6.8%)
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Source: Australian-Sections.xlsx (Sheets 1-19) · v2019.11 · Methodology