steel profile
HP12x74
Dimensions and technical properties from the source catalogue are shown below.
- Catalogue
- Nippon HP
- Standard
- ASTM A6/A6M
- Source publication
- Nippon Steel Structural Shapes
Dimensions, weight and technical properties
| Property | Value | Unit |
|---|---|---|
| h | 308.1 | mm |
| b | 310.3 | mm |
| t_w | 15.37 | mm |
| t_f | 15.49 | mm |
| r_1 | 15.2 | mm |
| g | 110.1 | kg/m |
| A | 14060.0 | mm² |
| I_x | 237.00 | 10⁶ mm⁴ |
| I_y | 77.20 | 10⁶ mm⁴ |
| i_x | 130.0 | mm |
| i_y | 74.10 | mm |
| W_el,x | 1540 | 10³ mm³ |
| W_el,y | 498 | 10³ mm³ |
| W_pl,x | 1730 | 10³ mm³ |
| W_pl,y | 764 | 10³ mm³ |
| I_t | 1248.6942768 | 10³ mm⁴ |
| h | 12.13 | in |
| b | 12.215 | in |
| t_w | 0.605 | in |
| t_f | 0.610 | in |
| r_1 | 0.598 | in |
| g | 74 | lb/ft |
| A | 21.8 | in² |
| I_x | 569 | in⁴ |
| I_y | 186 | in⁴ |
| i_x | 5.11 | in |
| i_y | 2.92 | in |
| W_el,x | 93.8 | in³ |
| W_el,y | 30.4 | in³ |
| W_pl,x | 105 | in³ |
| W_pl,y | 46.6 | in³ |
| I_t | 3 | in⁴ |
| d | 9.7 mm [PDF] | |
| 10.01 | ||
| 16.1 | ||
| u | 0.830 | |
| H | 6,160 in⁶ [PDF] | |
| nS | ||
| nS | ||
| nC | ||
| C | ||
| c3 | ||
| c1 | ||
| c3 | ||
| c1 |
Source notes and corrections
Source H unit scale is unresolved; not a normalized warping constant.
Source d, ratios, u, x and classifications are retained for reference only, never used for substitution.
Page 32 repeats inconsistent d and slenderness values in 39 rows; no guessed corrections.
Imperial d is labelled mm in the PDF; no inferred unit correction.
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