Steel Beam Sizes / AISC / ST Tees / ST6x25

ST6x25 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

ST6x25 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 25.00 lb/ft 37.00 kg/m
Depth, d 6.00 in 152.00 mm
Flange width, bf 5.48 in 139.00 mm
tw 0.687 in 17.400 mm
tf 0.659 in 16.700 mm
Area 7.33 in² 4,730.00 mm²
Ix 25.10 in⁴ 10,400,000 mm⁴
Iy 7.79 in⁴ 3,240,000 mm⁴
Sx 6.04 in³ 99,000.00 mm³
Sy 2.84 in³ 46,500.00 mm³
Zx 11.00 in³ 180,000.00 mm³
Zy 5.16 in³ 84,600.00 mm³
rx 1.85 in 47.00 mm
ry 1.03 in 26.20 mm
J 1.36 in⁴ 566,000.00 mm⁴
Cw 1.97 in⁶ 529,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus ST6x25.

Lighter in ST6

ST6x20.4

Weight
20.4 lb/ft (-18%)
Depth
6.00 in (0.0%)
Ix
18.9 in⁴ (-25%)

Closest Iₓ in ST6

ST6x17.5

Weight
17.5 lb/ft (-30%)
Depth
6.00 in (0.0%)
Ix
17.2 in⁴ (-31%)

Similar weight in ST7

ST7.5x25

Weight
25.0 lb/ft (0.0%)
Depth
7.50 in (+25%)
Ix
40.5 in⁴ (+61%)
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Source: AISC Shapes Database v16.0 · Methodology