Steel Beam Sizes / AISC / HSS Square / HSS 12x12x7/8

HSS 12x12x7/8 Steel Beam Dimensions and Properties

AISC Square HSS · v16.0

Analyze in Beam Calculator Back to HSS Square

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

Units

Section diagram

HSS 12x12x7/8 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 125.79 lb/ft 187.00 kg/m
Height 12.00 in 305.00 mm
Width 12.00 in 305.00 mm
Nominal tw 0.875 in 22.200 mm
Design tw 0.814 in 20.700 mm
Area 34.70 in² 22,400.00 mm²
Ix 706.00 in⁴ 294,000,000 mm⁴
Iy 706.00 in⁴ 294,000,000 mm⁴
Sx 118.00 in³ 1,930,000 mm³
Sy 118.00 in³ 1,930,000 mm³
Zx 143.00 in³ 2,340,000 mm³
Zy 143.00 in³ 2,340,000 mm³
rx 4.51 in 115.00 mm
ry 4.51 in 115.00 mm
J 1,170.00 in⁴ 487,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 12x12x7/8.

Lighter in Square HSS

HSS 18x18x1/2

Weight
116.9 lb/ft (-7.1%)
Depth
18.00 in (+50%)
Ix
1,630.0 in⁴ (+131%)

Heavier in Square HSS

HSS 16x16x5/8

Weight
127.4 lb/ft (+1.3%)
Depth
16.00 in (+33%)
Ix
1,370.0 in⁴ (+94%)

Closest Iₓ in Square HSS

HSS 16x16x5/16

Weight
65.9 lb/ft (-48%)
Depth
16.00 in (+33%)
Ix
739.0 in⁴ (+4.7%)
Analyze in Beam Calculator Compare in HSS Square finder

Source: AISC Shapes Database v16.0 · Methodology