ST tees

ST3X6.25 ST75X9.3

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.
xybf = 3.33d = 3tf = 0.359tf = 0.359tw = 0.232tw = 0.232
Cross-section, to scaledimensions in inches

Dimensions

Depthd
3in
Flange widthbf
3.33in
Web thicknesstw
0.232in
Flange thicknesstf
0.359in
Distance k (design)kdes
0.813in
Distance k (detailing)kdet
0.8125in

Mass and area

Mass per lengthm
6.25lb/ft
Cross-sectional areaA
1.83in²

Strong axis x–x

Moment of inertiaIx
1.26in⁴
Elastic section modulusSx
0.547in³
Plastic section modulusZx
1.01in³
Radius of gyrationrx
0.831in

Weak axis y–y

Moment of inertiaIy
0.901in⁴
Elastic section modulusSy
0.541in³
Plastic section modulusZy
0.93in³
Radius of gyrationry
0.702in

Torsion and stability

Torsional constantJ
0.083in⁴
Warping constantCw
0.0197in⁶
Polar radius (shear center)r̄o
1.2in
Flexural constantH
0.819

Centers

Centroidȳ
0.692in
Plastic neutral axisyp
0.271in

Slenderness ratios

Flange slendernessbf/2tf
4.64
Wall slendernessD/t
12.9

Equivalents in other standards