Steel Beam Sizes / AISC / HSS Square / HSS 12x12x3/4

HSS 12x12x3/4 Steel Beam Dimensions and Properties

AISC Square HSS · v16.0

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

Units

Section diagram

HSS 12x12x3/4 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 109.91 lb/ft 164.00 kg/m
Height 12.00 in 305.00 mm
Width 12.00 in 305.00 mm
Nominal tw 0.750 in 19.100 mm
Design tw 0.698 in 17.700 mm
Area 30.30 in² 19,500.00 mm²
Ix 631.00 in⁴ 263,000,000 mm⁴
Iy 631.00 in⁴ 263,000,000 mm⁴
Sx 105.00 in³ 1,720,000 mm³
Sy 105.00 in³ 1,720,000 mm³
Zx 127.00 in³ 2,080,000 mm³
Zy 127.00 in³ 2,080,000 mm³
rx 4.56 in 116.00 mm
ry 4.56 in 116.00 mm
J 1,030.00 in⁴ 429,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 12x12x3/4.

Lighter in Square HSS

HSS 16x16x1/2

Weight
103.3 lb/ft (-6.0%)
Depth
16.00 in (+33%)
Ix
1,130.0 in⁴ (+79%)

Heavier in Square HSS

HSS 14x14x5/8

Weight
110.4 lb/ft (+0.4%)
Depth
14.00 in (+17%)
Ix
897.0 in⁴ (+42%)

Closest Iₓ in Square HSS

HSS 16x16x1/4

Weight
53.1 lb/ft (-52%)
Depth
16.00 in (+33%)
Ix
600.0 in⁴ (-4.9%)
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Source: AISC Shapes Database v16.0 · Methodology