W27X235 Steel Beam — Section Properties

Dimensions

Property Value Unit
Depth (d) 28.70 in (729.0 mm)
Flange Width (bf) 14.20 in (360.7 mm)
Flange Thickness (tf) 1.61 in
Web Thickness (tw) 0.91 in
Area (A) 69.40 in² (447.8 cm²)
Weight 235 lb/ft (350 kg/m)

Elastic Section Properties

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 9,700 769 in⁴
Elastic Section Modulus (S) 677 108 in³
Plastic Section Modulus (Z) 772 168 in³
Radius of Gyration (r) 11.80 3.33 in

Torsional Properties

Property Value Unit
Torsional Constant (J) 47 in⁴
Warping Constant (Cw) 141,000 in⁶
Distance Between Flange Centroids (ho) 27.10 in
Effective Radius (rts) 3.92 in

Design Resources

Frequently Asked Questions

What is the weight of a W27X235 beam? 235 lb/ft (350 kg/m). A 40-ft length weighs approximately 9,400 lbs.

What is the section modulus of W27X235? Sx = 677 in³ (strong axis) and Sy = 108 in³ (weak axis). The plastic section modulus Zx = 772 in³ and Zy = 168 in³.

What steel grade is standard for W27X235? 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 W27X235? Ix = 9700 in⁴ about the strong axis and Iy = 769 in⁴ about the weak axis. The radius of gyration is rx = 11.80 in and ry = 3.33 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.