W14X808 Steel Beam — Section Properties

Dimensions

Property Value Unit
Depth (d) 22.80 in (579.1 mm)
Flange Width (bf) 18.60 in (472.4 mm)
Flange Thickness (tf) 5.12 in
Web Thickness (tw) 3.74 in
Area (A) 238 in² (1535.6 cm²)
Weight 808 lb/ft (1202 kg/m)

Elastic Section Properties

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 15,900 5,550 in⁴
Elastic Section Modulus (S) 1,390 597 in³
Plastic Section Modulus (Z) 1,830 930 in³
Radius of Gyration (r) 8.17 4.83 in

Torsional Properties

Property Value Unit
Torsional Constant (J) 1,840 in⁴
Warping Constant (Cw) 434,000 in⁶
Distance Between Flange Centroids (ho) 17.70 in
Effective Radius (rts) 5.94 in

Design Resources

Frequently Asked Questions

What is the weight of a W14X808 beam? 808 lb/ft (1202 kg/m). A 40-ft length weighs approximately 32,320 lbs.

What is the section modulus of W14X808? Sx = 1390 in³ (strong axis) and Sy = 597 in³ (weak axis). The plastic section modulus Zx = 1830 in³ and Zy = 930 in³.

What steel grade is standard for W14X808? Typically ASTM A992 (Fy = 50 ksi, Fu = 65 ksi) for W-shapes. Also available in A572 Grade 50 or A36. Verify with mill certificate.

What is the moment of inertia of W14X808? Ix = 15900 in⁴ about the strong axis and Iy = 5550 in⁴ about the weak axis. The radius of gyration is rx = 8.17 in and ry = 4.83 in.

Related Pages


Educational reference only. Verify all section properties against the current AISC Manual and mill certificates before design. Results are PRELIMINARY — NOT FOR CONSTRUCTION.