Steel Beam Sizes / CISC / HSS Rectangular / HA178×127×9.5

HA178×127×9.5 Steel Beam Dimensions and Properties

CISC Rectangular HSS · v12.1

Analyze in Beam Calculator Back to HSS Rectangular

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

Units

Section diagram

HA178×127×9.5 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 27.50 lb/ft 40.90 kg/m
Height 7.00 in 177.80 mm
Width 5.00 in 127.00 mm
Nominal tw 0.375 in 9.530 mm
Design tw 0.338 in 8.580 mm
Area 7.36 in² 4,750.00 mm²
Ix 48.29 in⁴ 20,100,000 mm⁴
Iy 28.59 in⁴ 11,900,000 mm⁴
Sx 13.79 in³ 226,000.00 mm³
Sy 11.41 in³ 187,000.00 mm³
Zx 17.03 in³ 279,000.00 mm³
Zy 13.49 in³ 221,000.00 mm³
rx 2.56 in 65.10 mm
ry 1.97 in 50.00 mm
J 59.10 in⁴ 24,600,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HA178×127×9.5.

Lighter in Rectangular HSS

HA254×152×6.4

Weight
38.4 kg/m (-6.2%)
Depth
254.0 mm (+43%)
Ix
39,100,000 mm⁴ (+95%)

Heavier in Rectangular HSS

HA203×152×7.9

Weight
41.1 kg/m (+0.4%)
Depth
203.2 mm (+14%)
Ix
27,700,000 mm⁴ (+38%)

Closest Iₓ in Rectangular HSS

HA203×102×7.9

Weight
34.7 kg/m (-15%)
Depth
203.2 mm (+14%)
Ix
20,700,000 mm⁴ (+3.0%)
Analyze in Beam Calculator Compare in HSS Rectangular finder

Source: CISC Structural Section Tables SST12.1 · v12.1 · ASTM A500 · Methodology