H32 (32 mm) Reinforcing Bar - BS (UK)
H32 (32 mm) is a BS (UK) reinforcing bar to BS 4449:2005. Its nominal diameter is 32 mm, giving a cross-section area As of 804.2 mm² and a mass of 6.313 kg/m. It is supplied in grade B500A / B500B / B500C with characteristic yield f_yk = 500 MPa. The tables below give the total steel area for 1-10 bars and the area per metre of width at common bar spacings.
Bar properties
| d | Nominal diameter | 32 mm |
| As | Cross-section area | 804.2 mm² |
| m | Mass per metre | 6.313 kg/m |
| u | Nominal perimeter | 100.5 mm |
| f_yk | Characteristic yield | 500 MPa |
Total area for n bars (As = n × 804.2 mm²)
| Bars | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
|---|---|---|---|---|---|---|---|---|---|---|
| As (mm²) | 804 | 1,608 | 2,413 | 3,217 | 4,021 | 4,825 | 5,629 | 6,434 | 7,238 | 8,042 |
Area per metre at spacing (As/m = 1000/s × 804.2 mm²)
| s (mm) | 75 | 100 | 125 | 150 | 175 | 200 | 250 | 300 |
|---|---|---|---|---|---|---|---|---|
| As/m (mm²/m) | 10,723 | 8,042 | 6,434 | 5,361 | 4,595 | 4,021 | 3,217 | 2,681 |
Source: BS 4449:2005. Area = π/4 × d² for metric bars; ASTM areas are the standard's tabulated nominal values. Grades available: B500A, B500B, B500C.
Other BS (UK) bar sizes
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