Steel Beam Sizes / AISC / HSS Rectangular / HSS 12x10x5/16

HSS 12x10x5/16 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 12x10x5/16 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 44.60 lb/ft 66.40 kg/m
Height 12.00 in 305.00 mm
Width 10.00 in 254.00 mm
Nominal tw 0.313 in 7.940 mm
Design tw 0.291 in 7.390 mm
Area 12.20 in² 7,870.00 mm²
Ix 264.00 in⁴ 110,000,000 mm⁴
Iy 200.00 in⁴ 83,200,000 mm⁴
Sx 44.00 in³ 721,000.00 mm³
Sy 40.00 in³ 655,000.00 mm³
Zx 51.70 in³ 847,000.00 mm³
Zy 45.70 in³ 749,000.00 mm³
rx 4.64 in 118.00 mm
ry 4.04 in 103.00 mm
J 356.00 in⁴ 148,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 12x10x5/16.

Lighter in Rectangular HSS

HSS 14x12x1/4

Weight
42.8 lb/ft (-3.9%)
Depth
14.00 in (+17%)
Ix
354.0 in⁴ (+34%)

Heavier in Rectangular HSS

HSS 18x10x1/4

Weight
46.2 lb/ft (+3.7%)
Depth
18.00 in (+50%)
Ix
566.0 in⁴ (+114%)

Closest Iₓ in Rectangular HSS

HSS 12x8x3/8

Weight
47.9 lb/ft (+7.4%)
Depth
12.00 in (0.0%)
Ix
262.0 in⁴ (-0.8%)
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Source: AISC Shapes Database v16.0 · Methodology