ST tees

ST6X20.4 ST155X30.35

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 = 5.25d = 6tf = 0.659tf = 0.659tw = 0.462tw = 0.462
Cross-section, to scaledimensions in inches

Dimensions

Depthd
6in
Flange widthbf
5.25in
Web thicknesstw
0.462in
Flange thicknesstf
0.659in
Distance k (design)kdes
1.44in
Distance k (detailing)kdet
1.438in

Mass and area

Mass per lengthm
20.4lb/ft
Cross-sectional areaA
5.96in²

Strong axis x–x

Moment of inertiaIx
18.9in⁴
Elastic section modulusSx
4.27in³
Plastic section modulusZx
7.71in³
Radius of gyrationrx
1.78in

Weak axis y–y

Moment of inertiaIy
6.74in⁴
Elastic section modulusSy
2.57in³
Plastic section modulusZy
4.43in³
Radius of gyrationry
1.06in

Torsion and stability

Torsional constantJ
0.842in⁴
Warping constantCw
0.787in⁶
Polar radius (shear center)r̄o
2.42in
Flexural constantH
0.732

Centers

Centroidȳ
1.58in
Plastic neutral axisyp
0.577in

Slenderness ratios

Flange slendernessbf/2tf
3.98
Wall slendernessD/t
13

Equivalents in other standards