L8X4X1 Steel Angle — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Leg Length (leg) | 8 | 20.32 cm |
| Leg Thickness (t) | 1 | 2.54 cm |
| Area (A) | 11.1 in² | 71.6 cm² |
| Weight | 37.4 lb/ft | 55.7 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 69.7 | 11.6 | in⁴ |
| Elastic Section Modulus (S) | 14 | 3.94 | in³ |
| Plastic Section Modulus (Z) | 24.3 | 7.73 | in³ |
| Radius of Gyration (r) | 2.51 | 1.03 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 3.68 | in⁴ |
| Warping Constant (Cw) | 12.9 | 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 L8X4X1 angle? 37.4 lb/ft (55.7 kg/m).
What is the section modulus of L8X4X1? Sx = 14 in³, Zx = 24.3 in³ (strong axis). Sy = 3.94 in³, Zy = 7.73 in³ (weak axis).
What steel grade is standard for L8X4X1? ASTM A36 (Fy = 36 ksi) for angles. Verify with mill certificate.
What is the moment of inertia of L8X4X1? Ix = 69.7 in⁴ about the strong axis and Iy = 11.6 in⁴ about the weak axis. The radius of gyration is rx = 2.51 in and ry = 1.03 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.