WT tees

WT20X251.5 WT500X374

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 = 16.4d = 21tf = 2.76tf = 2.76tw = 1.54tw = 1.54
Cross-section, to scaledimensions in inches

Dimensions

Depthd
21in
Flange widthbf
16.4in
Web thicknesstw
1.54in
Flange thicknesstf
2.76in
Distance k (design)kdes
3.94in
Distance k (detailing)kdet
4in

Mass and area

Mass per lengthm
251.5lb/ft
Cross-sectional areaA
74in²

Strong axis x–x

Moment of inertiaIx
2,730in⁴
Elastic section modulusSx
174in³
Plastic section modulusZx
314in³
Radius of gyrationrx
6.07in

Weak axis y–y

Moment of inertiaIy
1,020in⁴
Elastic section modulusSy
124in³
Plastic section modulusZy
197in³
Radius of gyrationry
3.72in

Torsion and stability

Torsional constantJ
138in⁴
Warping constantCw
1,400in⁶
Polar radius (shear center)r̄o
8.17in
Flexural constantH
0.76

Centers

Centroidȳ
5.38in
Plastic neutral axisyp
2.25in

Slenderness ratios

Flange slendernessbf/2tf
2.98
Wall slendernessD/t
13.6

Equivalents in other standards