W14X311 Steel Beam — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 17.10 | in (434.3 mm) |
| Flange Width (bf) | 16.20 | in (411.5 mm) |
| Flange Thickness (tf) | 2.26 | in |
| Web Thickness (tw) | 1.41 | in |
| Area (A) | 91.40 | in² (589.7 cm²) |
| Weight | 311 | lb/ft (463 kg/m) |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 4,330 | 1,610 | in⁴ |
| Elastic Section Modulus (S) | 506 | 199 | in³ |
| Plastic Section Modulus (Z) | 603 | 304 | in³ |
| Radius of Gyration (r) | 6.88 | 4.20 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 136 | in⁴ |
| Warping Constant (Cw) | 89,100 | in⁶ |
| Distance Between Flange Centroids (ho) | 14.80 | in |
| Effective Radius (rts) | 4.87 | in |
Design Resources
- Beam Capacity Calculator — Check W14X311 for your span and loads
- Column Capacity Calculator — Check W14X311 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 W14X311 beam? 311 lb/ft (463 kg/m). A 40-ft length weighs approximately 12,440 lbs.
What is the section modulus of W14X311? Sx = 506 in³ (strong axis) and Sy = 199 in³ (weak axis). The plastic section modulus Zx = 603 in³ and Zy = 304 in³.
What steel grade is standard for W14X311? 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 W14X311? Ix = 4330 in⁴ about the strong axis and Iy = 1610 in⁴ about the weak axis. The radius of gyration is rx = 6.88 in and ry = 4.20 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.