W36X302 Steel Beam — Section Properties

Dimensions

Property Value Unit
Depth (d) 37.30 in (947.4 mm)
Flange Width (bf) 16.70 in (424.2 mm)
Flange Thickness (tf) 1.68 in
Web Thickness (tw) 0.94 in
Area (A) 89 in² (574.2 cm²)
Weight 302 lb/ft (449 kg/m)

Elastic Section Properties

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 21,100 1,300 in⁴
Elastic Section Modulus (S) 1,130 156 in³
Plastic Section Modulus (Z) 1,280 241 in³
Radius of Gyration (r) 15.40 3.82 in

Torsional Properties

Property Value Unit
Torsional Constant (J) 64.30 in⁴
Warping Constant (Cw) 412,000 in⁶
Distance Between Flange Centroids (ho) 35.60 in
Effective Radius (rts) 4.53 in

Design Resources

Frequently Asked Questions

What is the weight of a W36X302 beam? 302 lb/ft (449 kg/m). A 40-ft length weighs approximately 12,080 lbs.

What is the section modulus of W36X302? Sx = 1130 in³ (strong axis) and Sy = 156 in³ (weak axis). The plastic section modulus Zx = 1280 in³ and Zy = 241 in³.

What steel grade is standard for W36X302? 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 W36X302? Ix = 21100 in⁴ about the strong axis and Iy = 1300 in⁴ about the weak axis. The radius of gyration is rx = 15.40 in and ry = 3.82 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.