Steel Beam Sizes / AISC / W-Shapes / W27 / W27x178

W27x178 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

W27x178 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 178.00 lb/ft 265.00 kg/m
Depth, d 27.80 in 706.00 mm
Flange width, bf 14.10 in 358.00 mm
tw 0.725 in 18.400 mm
tf 1.190 in 30.200 mm
Area 52.50 in² 33,900.00 mm²
Ix 7,020.00 in⁴ 2,920,000,000 mm⁴
Iy 555.00 in⁴ 231,000,000 mm⁴
Sx 505.00 in³ 8,280,000 mm³
Sy 78.80 in³ 1,290,000 mm³
Zx 570.00 in³ 9,340,000 mm³
Zy 122.00 in³ 2,000,000 mm³
rx 11.60 in 295.00 mm
ry 3.25 in 82.60 mm
J 20.10 in⁴ 8,370,000 mm⁴
Cw 98,400.00 in⁶ 26,400,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus W27x178.

Browse W27 series →

Lighter in W27

W27x161

Weight
161.0 lb/ft (-9.6%)
Depth
27.60 in (-0.7%)
Ix
6,310.0 in⁴ (-10%)

Heavier in W27

W27x194

Weight
194.0 lb/ft (+9.0%)
Depth
28.10 in (+1.1%)
Ix
7,860.0 in⁴ (+12%)

Closest Iₓ in W27

W27x146

Weight
146.0 lb/ft (-18%)
Depth
27.40 in (-1.4%)
Ix
5,660.0 in⁴ (-19%)

Similar weight in W24

W24x176

Weight
176.0 lb/ft (-1.1%)
Depth
25.20 in (-9.4%)
Ix
5,680.0 in⁴ (-19%)
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Source: AISC Shapes Database v16.0 · Methodology