L3-1/2X3-1/2X5/16 Steel Angle — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Leg Length (leg) | 3.5 | 8.89 cm |
| Leg Thickness (t) | 0.313 | 0.80 cm |
| Area (A) | 2.1 in² | 13.5 cm² |
| Weight | 7.2 lb/ft | 10.7 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 2.44 | 2.44 | in⁴ |
| Elastic Section Modulus (S) | 0.969 | 0.969 | in³ |
| Plastic Section Modulus (Z) | 1.74 | 1.74 | in³ |
| Radius of Gyration (r) | 1.08 | 1.08 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 0.073 | in⁴ |
| Warping Constant (Cw) | 0.063 | 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 L3-1/2X3-1/2X5/16 angle? 7.2 lb/ft (10.7 kg/m).
What is the section modulus of L3-1/2X3-1/2X5/16? Sx = 0.969 in³, Zx = 1.74 in³ (strong axis). Sy = 0.969 in³, Zy = 1.74 in³ (weak axis).
What steel grade is standard for L3-1/2X3-1/2X5/16? ASTM A36 (Fy = 36 ksi) for angles. Verify with mill certificate.
What is the moment of inertia of L3-1/2X3-1/2X5/16? Ix = 2.44 in⁴ about the strong axis and Iy = 2.44 in⁴ about the weak axis. The radius of gyration is rx = 1.08 in and ry = 1.08 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.