Steel Beam Sizes / AISC / W-Shapes / W30 / W30x108

W30x108 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

W30x108 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 108.00 lb/ft 161.00 kg/m
Depth, d 29.80 in 757.00 mm
Flange width, bf 10.50 in 267.00 mm
tw 0.545 in 13.800 mm
tf 0.760 in 19.300 mm
Area 31.70 in² 20,500.00 mm²
Ix 4,470.00 in⁴ 1,860,000,000 mm⁴
Iy 146.00 in⁴ 60,800,000 mm⁴
Sx 299.00 in³ 4,900,000 mm³
Sy 27.90 in³ 457,000.00 mm³
Zx 346.00 in³ 5,670,000 mm³
Zy 43.90 in³ 719,000.00 mm³
rx 11.90 in 302.00 mm
ry 2.15 in 54.60 mm
J 4.99 in⁴ 2,080,000 mm⁴
Cw 30,900.00 in⁶ 8,300,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus W30x108.

Browse W30 series →

Lighter in W30

W30x99

Weight
99.0 lb/ft (-8.3%)
Depth
29.70 in (-0.3%)
Ix
3,990.0 in⁴ (-11%)

Heavier in W30

W30x116

Weight
116.0 lb/ft (+7.4%)
Depth
30.00 in (+0.7%)
Ix
4,930.0 in⁴ (+10%)

Closest Iₓ in W30

W30x90

Weight
90.0 lb/ft (-17%)
Depth
29.50 in (-1.0%)
Ix
3,610.0 in⁴ (-19%)

Similar weight in W27

W27x102

Weight
102.0 lb/ft (-5.6%)
Depth
27.10 in (-9.1%)
Ix
3,620.0 in⁴ (-19%)
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Source: AISC Shapes Database v16.0 · Methodology