Steel Beam Sizes / AISC / HSS Rectangular / HSS 8x4x5/8

HSS 8x4x5/8 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 8x4x5/8 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 42.30 lb/ft 62.60 kg/m
Height 8.00 in 203.00 mm
Width 4.00 in 102.00 mm
Nominal tw 0.625 in 15.900 mm
Design tw 0.581 in 14.800 mm
Area 11.70 in² 7,550.00 mm²
Ix 82.00 in⁴ 34,100,000 mm⁴
Iy 26.60 in⁴ 11,100,000 mm⁴
Sx 20.50 in³ 336,000.00 mm³
Sy 13.30 in³ 218,000.00 mm³
Zx 27.40 in³ 449,000.00 mm³
Zy 16.60 in³ 272,000.00 mm³
rx 2.64 in 67.10 mm
ry 1.51 in 38.40 mm
J 70.30 in⁴ 29,300,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 8x4x5/8.

Lighter in Rectangular HSS

HSS 10x4x1/2

Weight
42.1 lb/ft (-0.6%)
Depth
10.00 in (+25%)
Ix
129.0 in⁴ (+57%)

Heavier in Rectangular HSS

HSS 10x8x3/8

Weight
42.8 lb/ft (+1.2%)
Depth
10.00 in (+25%)
Ix
169.0 in⁴ (+106%)

Closest Iₓ in Rectangular HSS

HSS 10x3-1/2x5/16

Weight
26.5 lb/ft (-37%)
Depth
10.00 in (+25%)
Ix
83.2 in⁴ (+1.5%)
Analyze in Beam Calculator Compare in HSS Rectangular finder

Source: AISC Shapes Database v16.0 · Methodology