Steel Beam Sizes / AISC / HSS Rectangular / HSS 3-1/2x1-1/2x1/8

HSS 3-1/2x1-1/2x1/8 Steel Beam Dimensions and Properties

AISC Rectangular HSS · v16.0

Analyze in Beam Calculator Back to HSS Rectangular

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

Units

Section diagram

HSS 3-1/2x1-1/2x1/8 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 3.90 lb/ft 5.80 kg/m
Height 3.50 in 88.90 mm
Width 1.50 in 38.10 mm
Nominal tw 0.125 in 3.180 mm
Design tw 0.116 in 2.950 mm
Area 1.07 in² 690.00 mm²
Ix 1.57 in⁴ 653,000.00 mm⁴
Iy 0.41 in⁴ 171,000.00 mm⁴
Sx 0.90 in³ 14,700.00 mm³
Sy 0.55 in³ 8,980.00 mm³
Zx 1.15 in³ 18,800.00 mm³
Zy 0.63 in³ 10,300.00 mm³
rx 1.21 in 30.70 mm
ry 0.62 in 15.70 mm
J 1.09 in⁴ 454,000.00 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 3-1/2x1-1/2x1/8.

Lighter in Rectangular HSS

HSS 2-1/2x1x3/16

Weight
3.7 lb/ft (-5.6%)
Depth
2.50 in (-29%)
Ix
0.6 in⁴ (-59%)

Heavier in Rectangular HSS

HSS 2-1/2x1-1/2x3/16

Weight
4.3 lb/ft (+11%)
Depth
2.50 in (-29%)
Ix
0.9 in⁴ (-44%)

Closest Iₓ in Rectangular HSS

HSS 3x2-1/2x1/8

Weight
4.3 lb/ft (+11%)
Depth
3.00 in (-14%)
Ix
1.5 in⁴ (-1.9%)
Analyze in Beam Calculator Compare in HSS Rectangular finder

Source: AISC Shapes Database v16.0 · Methodology