W shapes (wide flange)
W4X13 W100X19.3
Values published by AISC, in US customary (original) and SI units.
Dimensions
- Depthd
- 4.16in
- Flange widthbf
- 4.06in
- Web thicknesstw
- 0.28in
- Flange thicknesstf
- 0.345in
- Distance k (design)kdes
- 0.595in
- Distance k (detailing)kdet
- 0.75in
- Distance k1k1
- 0.5in
- Web clear depthT
- 2.625in
- Distance between flange centroidsho
- 3.82in
Mass and area
- Mass per lengthm
- 13lb/ft
- Cross-sectional areaA
- 3.83in²
Strong axis x–x
- Moment of inertiaIx
- 11.3in⁴
- Elastic section modulusSx
- 5.46in³
- Plastic section modulusZx
- 6.28in³
- Radius of gyrationrx
- 1.72in
Weak axis y–y
- Moment of inertiaIy
- 3.86in⁴
- Elastic section modulusSy
- 1.9in³
- Plastic section modulusZy
- 2.92in³
- Radius of gyrationry
- 1in
Torsion and stability
- Torsional constantJ
- 0.151in⁴
- Warping constantCw
- 14in⁶
- Effective radius of gyrationrts
- 1.16in
Slenderness ratios
- Flange slendernessbf/2tf
- 5.88
- Web slendernessh/tw
- 10.6