W36X350 Steel Beam — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 38.60 | in (980.4 mm) |
| Flange Width (bf) | 12.60 | in (320.0 mm) |
| Flange Thickness (tf) | 2.32 | in |
| Web Thickness (tw) | 1.30 | in |
| Area (A) | 103 | in² (664.6 cm²) |
| Weight | 350 | lb/ft (521 kg/m) |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 23,600 | 780 | in⁴ |
| Elastic Section Modulus (S) | 1,220 | 124 | in³ |
| Plastic Section Modulus (Z) | 1,440 | 199 | in³ |
| Radius of Gyration (r) | 15.10 | 2.75 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 129 | in⁴ |
| Warping Constant (Cw) | 257,000 | in⁶ |
| Distance Between Flange Centroids (ho) | 36.30 | in |
| Effective Radius (rts) | 3.41 | in |
Design Resources
- Beam Capacity Calculator — Check W36X350 for your span and loads
- Column Capacity Calculator — Check W36X350 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 W36X350 beam? 350 lb/ft (521 kg/m). A 40-ft length weighs approximately 14,000 lbs.
What is the section modulus of W36X350? Sx = 1220 in³ (strong axis) and Sy = 124 in³ (weak axis). The plastic section modulus Zx = 1440 in³ and Zy = 199 in³.
What steel grade is standard for W36X350? 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 W36X350? Ix = 23600 in⁴ about the strong axis and Iy = 780 in⁴ about the weak axis. The radius of gyration is rx = 15.10 in and ry = 2.75 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.