HSS16×12×3/8 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.

HSS16×12×3/8 is a rectangular tube 16 in. by 12 in. with a 3/8 in. nominal wall.

At 68.31 lb per foot it is one of the 7 HSS16×12 sizes, which run from 57.36 to 168.18 lb/ft.

For strong-axis bending its section modulus is Sx = 87.7 in³ and its moment of inertia Ix = 702 in⁴, with a plastic modulus Zx = 104 in³.

Detailing dimensions

Depth (Ht)16"
Width (B)12"
Nominal wall (t)3/8"

Section properties

Weight68.31 lb/ft
Area (A)18.7 in²
Ix702 in⁴
Sx87.7 in³
Zx104 in³
rx6.12 in
Iy452 in⁴
Sy75.3 in³
Zy85.5 in³
ry4.91 in
J862 in⁴

Other HSS16×12 sizes

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

HSS16×12×5/16HSS16×12×1/2HSS16×12×5/8HSS16×12×3/4HSS16×12×7/8HSS16×12×1

All HSS16×12 sizes and dimensions →

Similar weight HSS shapes

Comparable 68.31 lb/ft sections in other HSS tube sizes.

HSS20×8×3/868.31 lb/ft · Sx 92.6 in³HSS18×10×3/868.31 lb/ft · Sx 91.1 in³HSS14×14×3/868.31 lb/ft · Sx 82.5 in³HSS14×4×5/867.82 lb/ft · Sx 53.3 in³HSS12×6×5/867.82 lb/ft · Sx 53.4 in³HSS10×8×5/867.82 lb/ft · Sx 50.5 in³HSS9×9×5/867.82 lb/ft · Sx 47.9 in³HSS13.375×0.50068.82 lb/ft · Sx 58.8 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 HSS16×12×3/8 cut, formed, or fabricated? Huntington Steel & Supply Co.

Browse more: HSS tube · Steel Beam Size Chart

Interactive drawing