W24X370 Steel Beam — Section Properties

Dimensions

Property Value Unit
Depth (d) 28 in (711.2 mm)
Flange Width (bf) 13.70 in (348.0 mm)
Flange Thickness (tf) 2.72 in
Web Thickness (tw) 1.52 in
Area (A) 109 in² (703.3 cm²)
Weight 370 lb/ft (551 kg/m)

Elastic Section Properties

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 13,400 1,160 in⁴
Elastic Section Modulus (S) 957 170 in³
Plastic Section Modulus (Z) 1,130 267 in³
Radius of Gyration (r) 11.10 3.27 in

Torsional Properties

Property Value Unit
Torsional Constant (J) 201 in⁴
Warping Constant (Cw) 186,000 in⁶
Distance Between Flange Centroids (ho) 25.30 in
Effective Radius (rts) 3.92 in

Design Resources

Frequently Asked Questions

What is the weight of a W24X370 beam? 370 lb/ft (551 kg/m). A 40-ft length weighs approximately 14,800 lbs.

What is the section modulus of W24X370? Sx = 957 in³ (strong axis) and Sy = 170 in³ (weak axis). The plastic section modulus Zx = 1130 in³ and Zy = 267 in³.

What steel grade is standard for W24X370? 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 W24X370? Ix = 13400 in⁴ about the strong axis and Iy = 1160 in⁴ about the weak axis. The radius of gyration is rx = 11.10 in and ry = 3.27 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.