Steel Beam Sizes / AISC / W-Shapes / W30 / W30x173

W30x173 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

W30x173 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 173.00 lb/ft 257.00 kg/m
Depth, d 30.40 in 772.00 mm
Flange width, bf 15.00 in 381.00 mm
tw 0.655 in 16.600 mm
tf 1.070 in 27.200 mm
Area 50.90 in² 32,800.00 mm²
Ix 8,230.00 in⁴ 3,430,000,000 mm⁴
Iy 598.00 in⁴ 249,000,000 mm⁴
Sx 541.00 in³ 8,870,000 mm³
Sy 79.80 in³ 1,310,000 mm³
Zx 607.00 in³ 9,950,000 mm³
Zy 123.00 in³ 2,020,000 mm³
rx 12.70 in 323.00 mm
ry 3.42 in 86.90 mm
J 15.60 in⁴ 6,490,000 mm⁴
Cw 129,000.00 in⁶ 34,600,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus W30x173.

Browse W30 series →

Lighter in W30

W30x148

Weight
148.0 lb/ft (-14%)
Depth
30.70 in (+1.0%)
Ix
6,680.0 in⁴ (-19%)

Heavier in W30

W30x191

Weight
191.0 lb/ft (+10%)
Depth
30.70 in (+1.0%)
Ix
9,200.0 in⁴ (+12%)

Closest Iₓ in W30

W30x211

Weight
211.0 lb/ft (+22%)
Depth
30.90 in (+1.6%)
Ix
10,300.0 in⁴ (+25%)

Similar weight in W33

W33x169

Weight
169.0 lb/ft (-2.3%)
Depth
33.80 in (+11%)
Ix
9,290.0 in⁴ (+13%)
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Source: AISC Shapes Database v16.0 · Methodology