Angles (L)
L12X12X1 L305X305X25.4
Values published by AISC, in US customary (original) and SI units.
Dimensions
- Depthd
- 12in
- Widthb
- 12in
- Thicknesst
- 1in
- Distance k (design)kdes
- 1.71in
- Distance k (detailing)kdet
- 1.688in
Mass and area
- Mass per lengthm
- 77.8lb/ft
- Cross-sectional areaA
- 23in²
Strong axis x–x
- Moment of inertiaIx
- 315in⁴
- Elastic section modulusSx
- 36.5in³
- Plastic section modulusZx
- 65.9in³
- Radius of gyrationrx
- 3.7in
Weak axis y–y
- Moment of inertiaIy
- 315in⁴
- Elastic section modulusSy
- 36.5in³
- Plastic section modulusZy
- 65.9in³
- Radius of gyrationry
- 3.7in
Principal axes
- Moment of inertia, minor principal axisIz
- 126in⁴
- Section modulus, minor principal axisSz
- 26.5in³
- Radius of gyration, minor principal axisrz
- 2.34in
- Tangent of principal axis angletan α
- 1
Torsion and stability
- Torsional constantJ
- 7.8in⁴
- Warping constantCw
- 84.5in⁶
- Polar radius (shear center)r̄o
- 6.61in
- Flexural constantH
- 0.626
Centers
- Centroidx̄
- 3.36in
- Centroidȳ
- 3.36in
- Plastic neutral axisxp
- 0.958in
- Plastic neutral axisyp
- 0.958in
Slenderness ratios
- Wall slendernessb/t
- 12