W40X327 Steel Beam — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 40.80 | in (1036.3 mm) |
| Flange Width (bf) | 12.10 | in (307.3 mm) |
| Flange Thickness (tf) | 2.13 | in |
| Web Thickness (tw) | 1.18 | in |
| Area (A) | 95.90 | in² (618.7 cm²) |
| Weight | 327 | lb/ft (487 kg/m) |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 24,500 | 640 | in⁴ |
| Elastic Section Modulus (S) | 1,200 | 105 | in³ |
| Plastic Section Modulus (Z) | 1,410 | 170 | in³ |
| Radius of Gyration (r) | 16 | 2.58 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 103 | in⁴ |
| Warping Constant (Cw) | 239,000 | in⁶ |
| Distance Between Flange Centroids (ho) | 38.70 | in |
| Effective Radius (rts) | 3.21 | in |
Design Resources
- Beam Capacity Calculator — Check W40X327 for your span and loads
- Column Capacity Calculator — Check W40X327 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 W40X327 beam? 327 lb/ft (487 kg/m). A 40-ft length weighs approximately 13,080 lbs.
What is the section modulus of W40X327? Sx = 1200 in³ (strong axis) and Sy = 105 in³ (weak axis). The plastic section modulus Zx = 1410 in³ and Zy = 170 in³.
What steel grade is standard for W40X327? 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 W40X327? Ix = 24500 in⁴ about the strong axis and Iy = 640 in⁴ about the weak axis. The radius of gyration is rx = 16 in and ry = 2.58 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.