Steel Beam Sizes / AISC / HSS Rectangular / HSS 12x8x1/2

HSS 12x8x1/2 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 12x8x1/2 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 62.46 lb/ft 92.70 kg/m
Height 12.00 in 305.00 mm
Width 8.00 in 203.00 mm
Nominal tw 0.500 in 12.700 mm
Design tw 0.465 in 11.800 mm
Area 17.20 in² 11,100.00 mm²
Ix 333.00 in⁴ 139,000,000 mm⁴
Iy 178.00 in⁴ 74,100,000 mm⁴
Sx 55.60 in³ 911,000.00 mm³
Sy 44.40 in³ 728,000.00 mm³
Zx 68.10 in³ 1,120,000 mm³
Zy 51.50 in³ 844,000.00 mm³
rx 4.41 in 112.00 mm
ry 3.21 in 81.50 mm
J 377.00 in⁴ 157,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 12x8x1/2.

Lighter in Rectangular HSS

HSS 20x16x1/4

Weight
59.9 lb/ft (-4.2%)
Depth
20.00 in (+67%)
Ix
1,000.0 in⁴ (+200%)

Heavier in Rectangular HSS

HSS 14x12x3/8

Weight
63.2 lb/ft (+1.2%)
Depth
14.00 in (+17%)
Ix
512.0 in⁴ (+54%)

Closest Iₓ in Rectangular HSS

HSS 14x8x5/16

Weight
44.6 lb/ft (-29%)
Depth
14.00 in (+17%)
Ix
325.0 in⁴ (-2.4%)
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Source: AISC Shapes Database v16.0 · Methodology