Steel Beam Sizes / AISC / ST Tees / ST2.5x5

ST2.5x5 Steel Beam Dimensions and Properties

AISC American standard tees · v16.0

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

Units

Section diagram

ST2.5x5 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 5.00 lb/ft 7.50 kg/m
Depth, d 2.50 in 63.50 mm
Flange width, bf 3.00 in 76.20 mm
tw 0.214 in 5.440 mm
tf 0.326 in 8.280 mm
Area 1.46 in² 942.00 mm²
Ix 0.67 in⁴ 279,000.00 mm⁴
Iy 0.60 in⁴ 248,000.00 mm⁴
Sx 0.35 in³ 5,700.00 mm³
Sy 0.40 in³ 6,520.00 mm³
Zx 0.65 in³ 10,700.00 mm³
Zy 0.69 in³ 11,200.00 mm³
rx 0.68 in 17.20 mm
ry 0.64 in 16.20 mm
J 0.06 in⁴ 23,600.00 mm⁴
Cw 0.01 in⁶ 2,690,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus ST2.5x5.

Lighter in ST2

ST2x4.75

Weight
4.8 lb/ft (-5.0%)
Depth
2.00 in (-20%)
Ix
0.5 in⁴ (-31%)

Closest Iₓ in ST2

ST2x3.85

Weight
3.9 lb/ft (-23%)
Depth
2.00 in (-20%)
Ix
0.3 in⁴ (-54%)

Similar weight in ST3

ST3x6.25

Weight
6.3 lb/ft (+25%)
Depth
3.00 in (+20%)
Ix
1.3 in⁴ (+88%)
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Source: AISC Shapes Database v16.0 · Methodology