ST tees

ST12X53 ST305X79

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 = 7.87d = 12.3tf = 1.09tf = 1.09tw = 0.62tw = 0.62
Cross-section, to scaledimensions in inches

Dimensions

Depthd
12.3in
Flange widthbf
7.87in
Web thicknesstw
0.62in
Flange thicknesstf
1.09in
Distance k (design)kdes
2in
Distance k (detailing)kdet
2in

Mass and area

Mass per lengthm
53lb/ft
Cross-sectional areaA
15.6in²

Strong axis x–x

Moment of inertiaIx
216in⁴
Elastic section modulusSx
24.1in³
Plastic section modulusZx
43.3in³
Radius of gyrationrx
3.72in

Weak axis y–y

Moment of inertiaIy
38.4in⁴
Elastic section modulusSy
9.76in³
Plastic section modulusZy
16.7in³
Radius of gyrationry
1.57in

Torsion and stability

Torsional constantJ
5.05in⁴
Warping constantCw
15in⁶
Polar radius (shear center)r̄o
4.88in
Flexural constantH
0.686

Centers

Centroidȳ
3.28in
Plastic neutral axisyp
1.02in

Slenderness ratios

Flange slendernessbf/2tf
3.61
Wall slendernessD/t
19.8

Equivalents in other standards