Steel Beam Sizes / AISC / W-Shapes / W27 / W27x129

W27x129 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

W27x129 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 129.00 lb/ft 192.00 kg/m
Depth, d 27.60 in 701.00 mm
Flange width, bf 10.00 in 254.00 mm
tw 0.610 in 15.500 mm
tf 1.100 in 27.900 mm
Area 37.80 in² 24,400.00 mm²
Ix 4,760.00 in⁴ 1,980,000,000 mm⁴
Iy 184.00 in⁴ 76,600,000 mm⁴
Sx 345.00 in³ 5,650,000 mm³
Sy 36.80 in³ 603,000.00 mm³
Zx 395.00 in³ 6,470,000 mm³
Zy 57.60 in³ 944,000.00 mm³
rx 11.20 in 284.00 mm
ry 2.21 in 56.10 mm
J 11.10 in⁴ 4,620,000 mm⁴
Cw 32,500.00 in⁶ 8,730,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus W27x129.

Browse W27 series →

Lighter in W27

W27x114

Weight
114.0 lb/ft (-12%)
Depth
27.30 in (-1.1%)
Ix
4,080.0 in⁴ (-14%)

Heavier in W27

W27x146

Weight
146.0 lb/ft (+13%)
Depth
27.40 in (-0.7%)
Ix
5,660.0 in⁴ (+19%)

Closest Iₓ in W27

W27x102

Weight
102.0 lb/ft (-21%)
Depth
27.10 in (-1.8%)
Ix
3,620.0 in⁴ (-24%)

Similar weight in W24

W24x131

Weight
131.0 lb/ft (+1.6%)
Depth
24.50 in (-11%)
Ix
4,020.0 in⁴ (-16%)
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Source: AISC Shapes Database v16.0 · Methodology