W36X231 Steel Beam — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 36.50 | in (927.1 mm) |
| Flange Width (bf) | 16.50 | in (419.1 mm) |
| Flange Thickness (tf) | 1.26 | in |
| Web Thickness (tw) | 0.76 | in |
| Area (A) | 68.20 | in² (440.0 cm²) |
| Weight | 231 | lb/ft (344 kg/m) |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 15,600 | 940 | in⁴ |
| Elastic Section Modulus (S) | 854 | 114 | in³ |
| Plastic Section Modulus (Z) | 963 | 176 | in³ |
| Radius of Gyration (r) | 15.10 | 3.71 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 28.70 | in⁴ |
| Warping Constant (Cw) | 292,000 | in⁶ |
| Distance Between Flange Centroids (ho) | 35.20 | in |
| Effective Radius (rts) | 4.40 | in |
Design Resources
- Beam Capacity Calculator — Check W36X231 for your span and loads
- Column Capacity Calculator — Check W36X231 as a column
- Section Properties Database — Compare with other sections
- Steel Beam Sizes Reference — Full W-shape dimension table
- Steel Grades Reference — A992/A572 material properties
Frequently Asked Questions
What is the weight of a W36X231 beam? 231 lb/ft (344 kg/m). A 40-ft length weighs approximately 9,240 lbs.
What is the section modulus of W36X231? Sx = 854 in³ (strong axis) and Sy = 114 in³ (weak axis). The plastic section modulus Zx = 963 in³ and Zy = 176 in³.
What steel grade is standard for W36X231? 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 W36X231? Ix = 15600 in⁴ about the strong axis and Iy = 940 in⁴ about the weak axis. The radius of gyration is rx = 15.10 in and ry = 3.71 in.
Related Pages
- Steel Beam Sizes Reference
- Beam Capacity Calculator
- Column Capacity Calculator
- Section Properties Database
Educational reference only. Verify all section properties against the current AISC Manual and mill certificates before design. Results are PRELIMINARY — NOT FOR CONSTRUCTION.