ST tees
ST12X60.5 ST305X90
Values published by AISC, in US customary (original) and SI units.
Dimensions
- Depthd
- 12.3in
- Flange widthbf
- 8.05in
- Web thicknesstw
- 0.8in
- Flange thicknesstf
- 1.09in
- Distance k (design)kdes
- 2in
- Distance k (detailing)kdet
- 2in
Mass and area
- Mass per lengthm
- 60.5lb/ft
- Cross-sectional areaA
- 17.8in²
Strong axis x–x
- Moment of inertiaIx
- 259in⁴
- Elastic section modulusSx
- 30.1in³
- Plastic section modulusZx
- 54.5in³
- Radius of gyrationrx
- 3.82in
Weak axis y–y
- Moment of inertiaIy
- 41.5in⁴
- Elastic section modulusSy
- 10.3in³
- Plastic section modulusZy
- 18.1in³
- Radius of gyrationry
- 1.53in
Torsion and stability
- Torsional constantJ
- 6.38in⁴
- Warping constantCw
- 27.5in⁶
- Polar radius (shear center)r̄o
- 5.14in
- Flexural constantH
- 0.64
Centers
- Centroidȳ
- 3.63in
- Plastic neutral axisyp
- 1.26in
Slenderness ratios
- Flange slendernessbf/2tf
- 3.69
- Wall slendernessD/t
- 15.4