Angles (L)
L7X4X3/4 L178X102X19
Values published by AISC, in US customary (original) and SI units.
Dimensions
- Depthd
- 4in
- Widthb
- 7in
- Thicknesst
- 0.75in
- Distance k (design)kdes
- 1.25in
- Distance k (detailing)kdet
- 1.25in
Mass and area
- Mass per lengthm
- 26.2lb/ft
- Cross-sectional areaA
- 7.74in²
Strong axis x–x
- Moment of inertiaIx
- 37.8in⁴
- Elastic section modulusSx
- 8.39in³
- Plastic section modulusZx
- 14.8in³
- Radius of gyrationrx
- 2.21in
Weak axis y–y
- Moment of inertiaIy
- 9in⁴
- Elastic section modulusSy
- 3.01in³
- Plastic section modulusZy
- 5.6in³
- Radius of gyrationry
- 1.08in
Principal axes
- Moment of inertia, minor principal axisIz
- 5.63in⁴
- Section modulus, minor principal axisSz
- 2.56in³
- Radius of gyration, minor principal axisrz
- 0.855in
- Tangent of principal axis angletan α
- 0.324
Torsion and stability
- Torsional constantJ
- 1.47in⁴
- Warping constantCw
- 3.97in⁶
- Polar radius (shear center)r̄o
- 3.31in
Centers
- Centroidx̄
- 1in
- Centroidȳ
- 2.5in
- Plastic neutral axisxp
- 0.553in
- Plastic neutral axisyp
- 1.84in
Slenderness ratios
- Wall slendernessb/t
- 9.33