Angles (L)
L12X12X1-1/4 L305X305X31.8
Values published by AISC, in US customary (original) and SI units.
Dimensions
- Depthd
- 12in
- Widthb
- 12in
- Thicknesst
- 1.25in
- Distance k (design)kdes
- 1.96in
- Distance k (detailing)kdet
- 1.938in
Mass and area
- Mass per lengthm
- 96.4lb/ft
- Cross-sectional areaA
- 28.4in²
Strong axis x–x
- Moment of inertiaIx
- 381in⁴
- Elastic section modulusSx
- 44.6in³
- Plastic section modulusZx
- 80.7in³
- Radius of gyrationrx
- 3.66in
Weak axis y–y
- Moment of inertiaIy
- 381in⁴
- Elastic section modulusSy
- 44.6in³
- Plastic section modulusZy
- 80.7in³
- Radius of gyrationry
- 3.66in
Principal axes
- Moment of inertia, minor principal axisIz
- 152in⁴
- Section modulus, minor principal axisSz
- 31.1in³
- Radius of gyration, minor principal axisrz
- 2.31in
- Tangent of principal axis angletan α
- 1
Torsion and stability
- Torsional constantJ
- 14.9in⁴
- Warping constantCw
- 160in⁶
- Polar radius (shear center)r̄o
- 6.54in
- Flexural constantH
- 0.627
Centers
- Centroidx̄
- 3.45in
- Centroidȳ
- 3.45in
- Plastic neutral axisxp
- 1.18in
- Plastic neutral axisyp
- 1.18in
Slenderness ratios
- Wall slendernessb/t
- 9.6