L7X4X3/8 Steel Angle — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Leg Length (leg) | 7 | 17.78 cm |
| Leg Thickness (t) | 0.375 | 0.95 cm |
| Area (A) | 4 in² | 25.8 cm² |
| Weight | 13.6 lb/ft | 20.2 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 20.5 | 5.06 | in⁴ |
| Elastic Section Modulus (S) | 4.42 | 1.61 | in³ |
| Plastic Section Modulus (Z) | 7.81 | 2.84 | in³ |
| Radius of Gyration (r) | 2.27 | 1.12 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 0.198 | in⁴ |
| Warping Constant (Cw) | 0.544 | 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 L7X4X3/8 angle? 13.6 lb/ft (20.2 kg/m).
What is the section modulus of L7X4X3/8? Sx = 4.42 in³, Zx = 7.81 in³ (strong axis). Sy = 1.61 in³, Zy = 2.84 in³ (weak axis).
What steel grade is standard for L7X4X3/8? ASTM A36 (Fy = 36 ksi) for angles. Verify with mill certificate.
What is the moment of inertia of L7X4X3/8? Ix = 20.5 in⁴ about the strong axis and Iy = 5.06 in⁴ about the weak axis. The radius of gyration is rx = 2.27 in and ry = 1.12 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.