W shapes (wide flange)
W30X261 W760X389
Values published by AISC, in US customary (original) and SI units.
Dimensions
- Depthd
- 31.6in
- Flange widthbf
- 15.2in
- Web thicknesstw
- 0.93in
- Flange thicknesstf
- 1.65in
- Distance k (design)kdes
- 2.44in
- Distance k (detailing)kdet
- 2.938in
- Distance k1k1
- 1.688in
- Web clear depthT
- 25.75in
- Distance between flange centroidsho
- 30in
Mass and area
- Mass per lengthm
- 261lb/ft
- Cross-sectional areaA
- 77in²
Strong axis x–x
- Moment of inertiaIx
- 13,100in⁴
- Elastic section modulusSx
- 829in³
- Plastic section modulusZx
- 943in³
- Radius of gyrationrx
- 13.1in
Weak axis y–y
- Moment of inertiaIy
- 959in⁴
- Elastic section modulusSy
- 127in³
- Plastic section modulusZy
- 196in³
- Radius of gyrationry
- 3.53in
Torsion and stability
- Torsional constantJ
- 54.1in⁴
- Warping constantCw
- 215,000in⁶
- Effective radius of gyrationrts
- 4.16in
Slenderness ratios
- Flange slendernessbf/2tf
- 4.59
- Web slendernessh/tw
- 28.7