HSS12×12×7/8 square/rectangular HSS tube

Detailing dimensions and section properties from the AISC Shapes Database, 16th Edition. Values are shown to the nearest 1/16 in. as they appear on a shop drawing.

HSS12×12×7/8 is a square tube 12 in. by 12 in. with a 7/8 in. nominal wall.

At 125.79 lb per foot it is one of the 9 HSS12×12 sizes, which run from 29.84 to 140.96 lb/ft.

For strong-axis bending its section modulus is Sx = 118 in³ and its moment of inertia Ix = 706 in⁴, with a plastic modulus Zx = 143 in³.

Detailing dimensions

Depth (Ht)12"
Width (B)12"
Nominal wall (t)7/8"

Section properties

Weight125.79 lb/ft
Area (A)34.7 in²
Ix706 in⁴
Sx118 in³
Zx143 in³
rx4.51 in
Iy706 in⁴
Sy118 in³
Zy143 in³
ry4.51 in
J1170 in⁴

Other HSS12×12 sizes

Same nominal size, different weight — useful when you are checking a substitution or a lighter section.

HSS12×12×3/16HSS12×12×1/4HSS12×12×5/16HSS12×12×3/8HSS12×12×1/2HSS12×12×5/8HSS12×12×3/4HSS12×12×1

All HSS12×12 sizes and dimensions →

Similar weight HSS shapes

Comparable 125.79 lb/ft sections in other HSS tube sizes.

HSS16×8×7/8125.79 lb/ft · Sx 131 in³HSS14×10×7/8125.79 lb/ft · Sx 127 in³HSS24.000×0.500125.61 lb/ft · Sx 198 in³HSS22×10×5/8127.37 lb/ft · Sx 191 in³HSS20×12×5/8127.37 lb/ft · Sx 188 in³HSS16×16×5/8127.37 lb/ft · Sx 171 in³HSS24×14×1/2123.71000000000001 lb/ft · Sx 223 in³HSS22×16×1/2123.71000000000001 lb/ft · Sx 217 in³

Detailing values are rounded to the nearest 1/16 in. per the AISC Steel Construction Manual. Verify critical dimensions against the current Manual before fabrication. Need HSS12×12×7/8 cut, formed, or fabricated? Huntington Steel & Supply Co.

Browse more: HSS tube · Steel Beam Size Chart

Interactive drawing