W30X357 Steel Beam — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 32.80 | in (833.1 mm) |
| Flange Width (bf) | 15.50 | in (393.7 mm) |
| Flange Thickness (tf) | 2.24 | in |
| Web Thickness (tw) | 1.24 | in |
| Area (A) | 105 | in² (677.5 cm²) |
| Weight | 357 | lb/ft (531 kg/m) |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 18,700 | 1,390 | in⁴ |
| Elastic Section Modulus (S) | 1,140 | 179 | in³ |
| Plastic Section Modulus (Z) | 1,320 | 279 | in³ |
| Radius of Gyration (r) | 13.30 | 3.64 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 134 | in⁴ |
| Warping Constant (Cw) | 324,000 | in⁶ |
| Distance Between Flange Centroids (ho) | 30.60 | in |
| Effective Radius (rts) | 4.31 | in |
Design Resources
- Beam Capacity Calculator — Check W30X357 for your span and loads
- Column Capacity Calculator — Check W30X357 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 W30X357 beam? 357 lb/ft (531 kg/m). A 40-ft length weighs approximately 14,280 lbs.
What is the section modulus of W30X357? Sx = 1140 in³ (strong axis) and Sy = 179 in³ (weak axis). The plastic section modulus Zx = 1320 in³ and Zy = 279 in³.
What steel grade is standard for W30X357? 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 W30X357? Ix = 18700 in⁴ about the strong axis and Iy = 1390 in⁴ about the weak axis. The radius of gyration is rx = 13.30 in and ry = 3.64 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.