Steel Beam Sizes / AISC / HSS Rectangular / HSS 12x4x1/2

HSS 12x4x1/2 Steel Beam Dimensions and Properties

AISC Rectangular HSS · v16.0

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

Units

Section diagram

HSS 12x4x1/2 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 48.85 lb/ft 72.50 kg/m
Height 12.00 in 305.00 mm
Width 4.00 in 102.00 mm
Nominal tw 0.500 in 12.700 mm
Design tw 0.465 in 11.800 mm
Area 13.50 in² 8,710.00 mm²
Ix 210.00 in⁴ 87,400,000 mm⁴
Iy 35.30 in⁴ 14,700,000 mm⁴
Sx 34.90 in³ 572,000.00 mm³
Sy 17.70 in³ 290,000.00 mm³
Zx 46.70 in³ 765,000.00 mm³
Zy 20.90 in³ 342,000.00 mm³
rx 3.95 in 100.00 mm
ry 1.62 in 41.10 mm
J 105.00 in⁴ 43,700,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 12x4x1/2.

Lighter in Rectangular HSS

HSS 12x8x3/8

Weight
47.9 lb/ft (-1.9%)
Depth
12.00 in (0.0%)
Ix
262.0 in⁴ (+25%)

Heavier in Rectangular HSS

HSS 14x10x5/16

Weight
48.9 lb/ft (+0.0%)
Depth
14.00 in (+17%)
Ix
380.0 in⁴ (+81%)

Closest Iₓ in Rectangular HSS

HSS 10x8x1/2

Weight
55.7 lb/ft (+14%)
Depth
10.00 in (-17%)
Ix
214.0 in⁴ (+1.9%)
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Source: AISC Shapes Database v16.0 · Methodology