Round HSS

HSS28.000X1.000 HSS711.2X25.4

Standard: AISC Shapes Database v16.0Source: AISC (aisc.org) — Shapes Database v16.0 (Excel file)
Values published by AISC, in US customary (original) and SI units.
xyD = 28tdes = 0.93tdes = 0.93
Cross-section, to scaledimensions in inches

Dimensions

Outside diameterD
28in
Nominal thicknesstnom
1in
Design thicknesstdes
0.93in

Mass and area

Mass per lengthm
288.6lb/ft
Cross-sectional areaA
79.1in²

Strong axis x–x

Moment of inertiaIx
7,250in⁴
Elastic section modulusSx
518in³
Plastic section modulusZx
682in³
Radius of gyrationrx
9.58in

Weak axis y–y

Moment of inertiaIy
7,250in⁴
Elastic section modulusSy
518in³
Plastic section modulusZy
682in³
Radius of gyrationry
9.58in

Torsion and stability

Torsional constantJ
14,500in⁴
Torsional modulusC
1,030in³

Slenderness ratios

Wall slendernessD/t
30.1

Equivalents in other standards