steel profile
HY550x300x12x28
Dimensions and technical properties from the source catalogue are shown below.
- Catalogue
- Nippon NSHYPER BEAM
- Source publication
- Nippon Steel Structural Shapes
Dimensions, weight and technical properties
| Property | Value | Unit |
|---|---|---|
| h | 550 | mm |
| b | 300 | mm |
| t_w | 12 | mm |
| t_f | 28 | mm |
| r_1 | 13 | mm |
| g | 180 | kg/m |
| A | 22870.0 | mm² |
| I_x | 1270.00 | 10⁶ mm⁴ |
| I_y | 126.00 | 10⁶ mm⁴ |
| i_x | 236.0 | mm |
| i_y | 74.20 | mm |
| W_el,x | 4640 | 10³ mm³ |
| W_el,y | 841 | 10³ mm³ |
| W_pl,x | 5150 | 10³ mm³ |
| W_pl,y | 1280 | 10³ mm³ |
| I_t | 4660 | 10³ mm⁴ |
| d | 468.0 mm [PDF] | |
| 5.36 | ||
| 39.0 | ||
| u | 0.905 | |
| x | 20.7 | |
| H | 8.59 cm⁶ [PDF] | |
| nS | ||
| S | ||
| C | ||
| C | ||
| c1 | ||
| c4 | ||
| c1 | ||
| 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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