ST tees
ST12X50 ST305X74.5
Values published by AISC, in US customary (original) and SI units.
Dimensions
- Depthd
- 12in
- Flange widthbf
- 7.25in
- Web thicknesstw
- 0.745in
- Flange thicknesstf
- 0.87in
- Distance k (design)kdes
- 1.75in
- Distance k (detailing)kdet
- 1.75in
Mass and area
- Mass per lengthm
- 50lb/ft
- Cross-sectional areaA
- 14.7in²
Strong axis x–x
- Moment of inertiaIx
- 215in⁴
- Elastic section modulusSx
- 26.3in³
- Plastic section modulusZx
- 47.5in³
- Radius of gyrationrx
- 3.83in
Weak axis y–y
- Moment of inertiaIy
- 23.7in⁴
- Elastic section modulusSy
- 6.55in³
- Plastic section modulusZy
- 12in³
- Radius of gyrationry
- 1.27in
Torsion and stability
- Torsional constantJ
- 3.76in⁴
- Warping constantCw
- 19.5in⁶
- Polar radius (shear center)r̄o
- 5.28in
- Flexural constantH
- 0.584
Centers
- Centroidȳ
- 3.84in
- Plastic neutral axisyp
- 2.16in
Slenderness ratios
- Flange slendernessbf/2tf
- 4.17
- Wall slendernessD/t
- 16.1