Steel Beam Sizes / CISC / HSS Rectangular / HA127×102×6.4

HA127×102×6.4 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

HA127×102×6.4 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 13.90 lb/ft 20.70 kg/m
Height 5.00 in 127.00 mm
Width 4.00 in 101.60 mm
Nominal tw 0.250 in 6.350 mm
Design tw 0.225 in 5.720 mm
Area 3.72 in² 2,400.00 mm²
Ix 13.02 in⁴ 5,420,000 mm⁴
Iy 9.20 in⁴ 3,830,000 mm⁴
Sx 5.21 in³ 85,400.00 mm³
Sy 4.61 in³ 75,500.00 mm³
Zx 6.29 in³ 103,000.00 mm³
Zy 5.41 in³ 88,700.00 mm³
rx 1.87 in 47.50 mm
ry 1.57 in 40.00 mm
J 17.51 in⁴ 7,290,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HA127×102×6.4.

Lighter in Rectangular HSS

HA102×76×7.9

Weight
18.9 kg/m (-8.6%)
Depth
101.6 mm (-20%)
Ix
2,910,000 mm⁴ (-46%)

Heavier in Rectangular HSS

HA178×127×4.8

Weight
21.7 kg/m (+5.0%)
Depth
177.8 mm (+40%)
Ix
11,300,000 mm⁴ (+108%)

Closest Iₓ in Rectangular HSS

HA152×76×4.8

Weight
16.0 kg/m (-23%)
Depth
152.4 mm (+20%)
Ix
5,450,000 mm⁴ (+0.6%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · ASTM A500 · Methodology