Steel Beam Sizes / AISC / W-Shapes / W30 / W30x124

W30x124 Steel Beam Dimensions and Properties

AISC Wide flange · v16.0

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

Units

Section diagram

W30x124 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 124.00 lb/ft 185.00 kg/m
Depth, d 30.20 in 767.00 mm
Flange width, bf 10.50 in 267.00 mm
tw 0.585 in 14.900 mm
tf 0.930 in 23.600 mm
Area 36.50 in² 23,500.00 mm²
Ix 5,360.00 in⁴ 2,230,000,000 mm⁴
Iy 181.00 in⁴ 75,300,000 mm⁴
Sx 355.00 in³ 5,820,000 mm³
Sy 34.40 in³ 564,000.00 mm³
Zx 408.00 in³ 6,690,000 mm³
Zy 54.00 in³ 885,000.00 mm³
rx 12.10 in 307.00 mm
ry 2.23 in 56.60 mm
J 7.99 in⁴ 3,330,000 mm⁴
Cw 38,600.00 in⁶ 10,400,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus W30x124.

Browse W30 series →

Lighter in W30

W30x116

Weight
116.0 lb/ft (-6.5%)
Depth
30.00 in (-0.7%)
Ix
4,930.0 in⁴ (-8.0%)

Heavier in W30

W30x132

Weight
132.0 lb/ft (+6.5%)
Depth
30.30 in (+0.3%)
Ix
5,770.0 in⁴ (+7.6%)

Closest Iₓ in W30

W30x108

Weight
108.0 lb/ft (-13%)
Depth
29.80 in (-1.3%)
Ix
4,470.0 in⁴ (-17%)

Similar weight in W27

W27x129

Weight
129.0 lb/ft (+4.0%)
Depth
27.60 in (-8.6%)
Ix
4,760.0 in⁴ (-11%)
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Source: AISC Shapes Database v16.0 · Methodology