Steel Beam Sizes / CISC / HSS Rectangular / HA102×51×3.2

HA102×51×3.2 Steel Beam Dimensions and Properties

CISC Rectangular HSS · v12.1

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

Units

Section diagram

HA102×51×3.2 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 4.76 lb/ft 7.09 kg/m
Height 4.00 in 101.60 mm
Width 2.00 in 50.80 mm
Nominal tw 0.125 in 3.180 mm
Design tw 0.113 in 2.860 mm
Area 1.27 in² 818.00 mm²
Ix 2.59 in⁴ 1,080,000 mm⁴
Iy 0.88 in⁴ 365,000.00 mm⁴
Sx 1.29 in³ 21,200.00 mm³
Sy 0.88 in³ 14,400.00 mm³
Zx 1.61 in³ 26,400.00 mm³
Zy 0.99 in³ 16,300.00 mm³
rx 1.43 in 36.30 mm
ry 0.83 in 21.10 mm
J 2.14 in⁴ 890,000.00 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HA102×51×3.2.

Lighter in Rectangular HSS

HA64×38×4.8

Weight
6.5 kg/m (-9.0%)
Depth
63.5 mm (-38%)
Ix
361,000 mm⁴ (-67%)

Heavier in Rectangular HSS

HA76×38×4.8

Weight
7.4 kg/m (+4.4%)
Depth
76.2 mm (-25%)
Ix
579,000 mm⁴ (-46%)

Closest Iₓ in Rectangular HSS

HS76×51×7.9

Weight
12.6 kg/m (+78%)
Depth
76.2 mm (-25%)
Ix
1,020,000 mm⁴ (-5.6%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · ASTM A500 · Methodology