W14X426 Steel Beam — Section Properties

Dimensions

Property Value Unit
Depth (d) 18.70 in (475.0 mm)
Flange Width (bf) 16.70 in (424.2 mm)
Flange Thickness (tf) 3.04 in
Web Thickness (tw) 1.88 in
Area (A) 125 in² (806.5 cm²)
Weight 426 lb/ft (634 kg/m)

Elastic Section Properties

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 6,600 2,360 in⁴
Elastic Section Modulus (S) 706 283 in³
Plastic Section Modulus (Z) 869 434 in³
Radius of Gyration (r) 7.26 4.34 in

Torsional Properties

Property Value Unit
Torsional Constant (J) 331 in⁴
Warping Constant (Cw) 144,000 in⁶
Distance Between Flange Centroids (ho) 15.70 in
Effective Radius (rts) 5.11 in

Design Resources

Frequently Asked Questions

What is the weight of a W14X426 beam? 426 lb/ft (634 kg/m). A 40-ft length weighs approximately 17,040 lbs.

What is the section modulus of W14X426? Sx = 706 in³ (strong axis) and Sy = 283 in³ (weak axis). The plastic section modulus Zx = 869 in³ and Zy = 434 in³.

What steel grade is standard for W14X426? 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 W14X426? Ix = 6600 in⁴ about the strong axis and Iy = 2360 in⁴ about the weak axis. The radius of gyration is rx = 7.26 in and ry = 4.34 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.