Steel Beam Sizes / AISC / W-Shapes / W30 / W30x99

W30x99 Steel Beam Dimensions and Properties

AISC Wide flange · v16.0

Analyze in Beam Calculator Back to W-Shapes All W30

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

Units

Section diagram

W30x99 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 99.00 lb/ft 147.00 kg/m
Depth, d 29.70 in 754.00 mm
Flange width, bf 10.50 in 267.00 mm
tw 0.520 in 13.200 mm
tf 0.670 in 17.000 mm
Area 29.00 in² 18,700.00 mm²
Ix 3,990.00 in⁴ 1,660,000,000 mm⁴
Iy 128.00 in⁴ 53,300,000 mm⁴
Sx 269.00 in³ 4,410,000 mm³
Sy 24.50 in³ 401,000.00 mm³
Zx 312.00 in³ 5,110,000 mm³
Zy 38.60 in³ 633,000.00 mm³
rx 11.70 in 297.00 mm
ry 2.10 in 53.30 mm
J 3.77 in⁴ 1,570,000 mm⁴
Cw 26,800.00 in⁶ 7,200,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus W30x99.

Browse W30 series →

Lighter in W30

W30x90

Weight
90.0 lb/ft (-9.1%)
Depth
29.50 in (-0.7%)
Ix
3,610.0 in⁴ (-9.5%)

Heavier in W30

W30x108

Weight
108.0 lb/ft (+9.1%)
Depth
29.80 in (+0.3%)
Ix
4,470.0 in⁴ (+12%)

Closest Iₓ in W30

W30x116

Weight
116.0 lb/ft (+17%)
Depth
30.00 in (+1.0%)
Ix
4,930.0 in⁴ (+24%)

Similar weight in W27

W27x102

Weight
102.0 lb/ft (+3.0%)
Depth
27.10 in (-8.8%)
Ix
3,620.0 in⁴ (-9.3%)
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Source: AISC Shapes Database v16.0 · Methodology