W14X34 Steel Beam — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 14 | in (355.6 mm) |
| Flange Width (bf) | 6.75 | in (171.4 mm) |
| Flange Thickness (tf) | 0.46 | in |
| Web Thickness (tw) | 0.28 | in |
| Area (A) | 10 | in² (64.5 cm²) |
| Weight | 34 | lb/ft (51 kg/m) |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 340 | 23.30 | in⁴ |
| Elastic Section Modulus (S) | 48.60 | 6.91 | in³ |
| Plastic Section Modulus (Z) | 54.60 | 10.60 | in³ |
| Radius of Gyration (r) | 5.83 | 1.53 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 0.57 | in⁴ |
| Warping Constant (Cw) | 1,070 | in⁶ |
| Distance Between Flange Centroids (ho) | 13.50 | in |
| Effective Radius (rts) | 1.80 | in |
Design Resources
- Beam Capacity Calculator — Check W14X34 for your span and loads
- Column Capacity Calculator — Check W14X34 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 W14X34 beam? 34 lb/ft (51 kg/m). A 40-ft length weighs approximately 1,360 lbs.
What is the section modulus of W14X34? Sx = 48.6 in³ (strong axis) and Sy = 6.9 in³ (weak axis). The plastic section modulus Zx = 54.6 in³ and Zy = 10.6 in³.
What steel grade is standard for W14X34? 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 W14X34? Ix = 340 in⁴ about the strong axis and Iy = 23.3 in⁴ about the weak axis. The radius of gyration is rx = 5.83 in and ry = 1.53 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.