Steel Beam Sizes / CISC / HSS Rectangular / HA102×51×4.8

HA102×51×4.8 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

HA102×51×4.8 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 6.89 lb/ft 10.30 kg/m
Height 4.00 in 101.60 mm
Width 2.00 in 50.80 mm
Nominal tw 0.188 in 4.780 mm
Design tw 0.169 in 4.300 mm
Area 1.84 in² 1,190.00 mm²
Ix 3.58 in⁴ 1,490,000 mm⁴
Iy 1.20 in⁴ 499,000.00 mm⁴
Sx 1.79 in³ 29,400.00 mm³
Sy 1.20 in³ 19,600.00 mm³
Zx 2.29 in³ 37,500.00 mm³
Zy 1.40 in³ 23,000.00 mm³
rx 1.39 in 35.40 mm
ry 0.81 in 20.50 mm
J 3.00 in⁴ 1,250,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HA102×51×4.8.

Lighter in Rectangular HSS

HA127×76×3.2

Weight
9.6 kg/m (-6.2%)
Depth
127.0 mm (+25%)
Ix
2,450,000 mm⁴ (+64%)

Heavier in Rectangular HSS

HA76×51×6.4

Weight
10.6 kg/m (+3.2%)
Depth
76.2 mm (-25%)
Ix
867,000 mm⁴ (-42%)

Closest Iₓ in Rectangular HSS

HA89×64×6.4

Weight
13.1 kg/m (+28%)
Depth
88.9 mm (-13%)
Ix
1,540,000 mm⁴ (+3.4%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · ASTM A500 · Methodology