HP16×121 H-pile

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.

HP16×121 measures 15 3/4 in. deep with a 15 7/8 in. flange, on a 3/4 in. web and 3/4 in. flanges.

At 121 lb per foot it is one of the 6 HP16 sizes, which run from 88 to 183 lb/ft.

For strong-axis bending its section modulus is Sx = 201 in³ and its moment of inertia Ix = 1590 in⁴, with a plastic modulus Zx = 226 in³.

Detailing dimensions

Depth (d)15 3/4"
Flange width (bf)15 7/8"
Web thickness (tw)3/4"
Flange thickness (tf)3/4"
k (detailing)1 15/16"
Workable gage (g)5 1/2"

Section properties

Weight121 lb/ft
Area (A)35.8 in²
Ix1590 in⁴
Sx201 in³
Zx226 in³
rx6.66 in
Iy504 in⁴
Sy63.4 in³
Zy97.6 in³
ry3.75 in
J8.35 in⁴

Other HP16 sizes

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

HP16×88HP16×101HP16×141HP16×162HP16×183

Similar weight H-piles

Comparable 121 lb/ft sections in other H-pile sizes.

HP14×117117 lb/ft · Sx 172 in³HP18×135135 lb/ft · Sx 251 in³HP14×102102 lb/ft · Sx 150 in³HP14×8989 lb/ft · Sx 131 in³HP12×8989 lb/ft · Sx 112 in³HP18×157157 lb/ft · Sx 290 in³HP12×8484 lb/ft · Sx 106 in³HP12×7474 lb/ft · Sx 93.8 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 HP16×121 cut, formed, or fabricated? Huntington Steel & Supply Co.

Browse more: H-piles · Steel Beam Size Chart

Interactive drawing