HP12X84 Steel HP-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 12.3 | 312.4 mm |
| Flange Width (bf) | 12.3 | 31.24 cm |
| Flange Thickness (tf) | 0.685 | 17.4 mm |
| Web Thickness (tw) | 0.685 | 17.4 mm |
| Area (A) | 24.6 in² | 158.7 cm² |
| Weight | 84 lb/ft | 125.0 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 650 | 213 | in⁴ |
| Elastic Section Modulus (S) | 106 | 34.6 | in³ |
| Plastic Section Modulus (Z) | 120 | 53.2 | in³ |
| Radius of Gyration (r) | 5.14 | 2.94 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 4.24 | in⁴ |
| Warping Constant (Cw) | 7140 | in⁶ |
| Distance Between Flange Centroids (ho) | 11.6 | in |
| Effective Radius (rts) | 3.41 | in |
Design Resources
- Column Capacity Calculator — Check HP12X84 as a pile
- Section Properties Database — Compare with other sections
- Steel Beam Sizes Reference — Full dimension table
- Steel Grades Reference — Material properties
Frequently Asked Questions
What is the weight of a HP12X84 pile? 84 lb/ft (125.0 kg/m).
What is the section modulus of HP12X84? Sx = 106 in³, Zx = 120 in³ (strong axis). Sy = 34.6 in³, Zy = 53.2 in³ (weak axis).
What steel grade is standard for HP12X84? ASTM A572 Grade 50 (Fy = 50 ksi) or A36 for HP-shapes. Verify with mill certificate.
What is the moment of inertia of HP12X84? Ix = 650 in⁴ about the strong axis and Iy = 213 in⁴ about the weak axis. The radius of gyration is rx = 5.14 in and ry = 2.94 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.