ST tees

ST12X40 ST305X59.5

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 = 7d = 12tf = 0.87tf = 0.87tw = 0.5tw = 0.5
Cross-section, to scaledimensions in inches

Dimensions

Depthd
12in
Flange widthbf
7in
Web thicknesstw
0.5in
Flange thicknesstf
0.87in
Distance k (design)kdes
1.75in
Distance k (detailing)kdet
1.75in

Mass and area

Mass per lengthm
40lb/ft
Cross-sectional areaA
11.7in²

Strong axis x–x

Moment of inertiaIx
162in⁴
Elastic section modulusSx
18.6in³
Plastic section modulusZx
33.6in³
Radius of gyrationrx
3.72in

Weak axis y–y

Moment of inertiaIy
21in⁴
Elastic section modulusSy
6in³
Plastic section modulusZy
10.4in³
Radius of gyrationry
1.34in

Torsion and stability

Torsional constantJ
2.44in⁴
Warping constantCw
6.94in⁶
Polar radius (shear center)r̄o
4.88in
Flexural constantH
0.656

Centers

Centroidȳ
3.3in
Plastic neutral axisyp
0.909in

Slenderness ratios

Flange slendernessbf/2tf
4.02
Wall slendernessD/t
24

Equivalents in other standards