Steel Beam Sizes / AISC / ST Tees / ST12x53

ST12x53 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

ST12x53 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 53.00 lb/ft 79.00 kg/m
Depth, d 12.30 in 312.00 mm
Flange width, bf 7.87 in 200.00 mm
tw 0.620 in 15.700 mm
tf 1.090 in 27.700 mm
Area 15.60 in² 10,100.00 mm²
Ix 216.00 in⁴ 89,900,000 mm⁴
Iy 38.40 in⁴ 16,000,000 mm⁴
Sx 24.10 in³ 395,000.00 mm³
Sy 9.76 in³ 160,000.00 mm³
Zx 43.30 in³ 710,000.00 mm³
Zy 16.70 in³ 274,000.00 mm³
rx 3.72 in 94.50 mm
ry 1.57 in 39.90 mm
J 5.05 in⁴ 2,100,000 mm⁴
Cw 15.00 in⁶ 4,030,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus ST12x53.

Lighter in ST12

ST12x50

Weight
50.0 lb/ft (-5.7%)
Depth
12.00 in (-2.4%)
Ix
215.0 in⁴ (-0.5%)

Heavier in ST12

ST12x60.5

Weight
60.5 lb/ft (+14%)
Depth
12.30 in (0.0%)
Ix
259.0 in⁴ (+20%)

Closest Iₓ in ST12

ST12x45

Weight
45.0 lb/ft (-15%)
Depth
12.00 in (-2.4%)
Ix
190.0 in⁴ (-12%)

Similar weight in ST10

ST10x48

Weight
48.0 lb/ft (-9.4%)
Depth
10.20 in (-17%)
Ix
143.0 in⁴ (-34%)
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Source: AISC Shapes Database v16.0 · Methodology