HP12X74 Steel HP-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 12.1 | 307.3 mm |
| Flange Width (bf) | 12.2 | 30.99 cm |
| Flange Thickness (tf) | 0.61 | 15.5 mm |
| Web Thickness (tw) | 0.605 | 15.4 mm |
| Area (A) | 21.8 in² | 140.6 cm² |
| Weight | 74 lb/ft | 110.1 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 569 | 186 | in⁴ |
| Elastic Section Modulus (S) | 93.8 | 30.4 | in³ |
| Plastic Section Modulus (Z) | 105 | 46.6 | in³ |
| Radius of Gyration (r) | 5.11 | 2.92 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 2.98 | in⁴ |
| Warping Constant (Cw) | 6160 | in⁶ |
| Distance Between Flange Centroids (ho) | 11.5 | in |
| Effective Radius (rts) | 3.38 | in |
Design Resources
- Column Capacity Calculator — Check HP12X74 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 HP12X74 pile? 74 lb/ft (110.1 kg/m).
What is the section modulus of HP12X74? Sx = 93.8 in³, Zx = 105 in³ (strong axis). Sy = 30.4 in³, Zy = 46.6 in³ (weak axis).
What steel grade is standard for HP12X74? ASTM A572 Grade 50 (Fy = 50 ksi) or A36 for HP-shapes. Verify with mill certificate.
What is the moment of inertia of HP12X74? Ix = 569 in⁴ about the strong axis and Iy = 186 in⁴ about the weak axis. The radius of gyration is rx = 5.11 in and ry = 2.92 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.