L3X3X5/16 Steel Angle — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Leg Length (leg) | 3 | 7.62 cm |
| Leg Thickness (t) | 0.313 | 0.80 cm |
| Area (A) | 1.78 in² | 11.5 cm² |
| Weight | 6.1 lb/ft | 9.1 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 1.5 | 1.5 | in⁴ |
| Elastic Section Modulus (S) | 0.699 | 0.699 | in³ |
| Plastic Section Modulus (Z) | 1.26 | 1.26 | in³ |
| Radius of Gyration (r) | 0.918 | 0.918 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 0.06 | in⁴ |
| Warping Constant (Cw) | 0.039 | in⁶ |
Design Resources
- Section Properties Database — Compare with other sections
- Steel Angles Reference — Full angle dimension table
- Steel Grades Reference — Material properties
Frequently Asked Questions
What is the weight of a L3X3X5/16 angle? 6.1 lb/ft (9.1 kg/m).
What is the section modulus of L3X3X5/16? Sx = 0.699 in³, Zx = 1.26 in³ (strong axis). Sy = 0.699 in³, Zy = 1.26 in³ (weak axis).
What steel grade is standard for L3X3X5/16? ASTM A36 (Fy = 36 ksi) for angles. Verify with mill certificate.
What is the moment of inertia of L3X3X5/16? Ix = 1.5 in⁴ about the strong axis and Iy = 1.5 in⁴ about the weak axis. The radius of gyration is rx = 0.918 in and ry = 0.918 in.
Related Pages
Educational reference only. Verify all section properties against the current AISC Manual and mill certificates before design. Results are PRELIMINARY — NOT FOR CONSTRUCTION.