Table 1 – Preferred dimensions, masses and dimensional tolerances of hot rolled square bars for general use
| Boyut / Dimension | Sapma Sınırı / Deviation Limits (mm) | Birim Ağırlık / Weight per meter (Kg/m) | Kesit Alanı / Sectional Area (cm²) |
|---|---|---|---|
| 8 | ±0,4 | 0,502 | 0,64 |
| 10 | ±0,4 | 0,785 | 1,00 |
| 12 | ±0,4 | 1,13 | 1,44 |
| 13 | ±0,4 | 1,33 | 1,69 |
| 14 | ±0,4 | 1,54 | 1,96 |
| 15 | ±0,5 | 1,77 | 2,25 |
| 16 | ±0,5 | 2,01 | 2,56 |
| 18 | ±0,5 | 2,54 | 3,24 |
| 20 | ±0,5 | 3,14 | 4,00 |
| 22 | ±0,5 | 3,80 | 4,84 |
| 24 | ±0,5 | 4,52 | 5,76 |
| 25 | ±0,5 | 4,91 | 6,25 |
| 26 | ±0,6 | 5,31 | 6,76 |
| 28 | ±0,6 | 6,15 | 7,84 |
| 30 | ±0,6 | 7,07 | 9,00 |
| 32 | ±0,6 | 8,04 | 10,2 |
| 35 | ±0,6 | 9,62 | 12,3 |
| 40 | ±0,8 | 12,6 | 16,0 |
| 45 | ±0,8 | 15,9 | 20,3 |
| 50 | ±0,8 | 19,6 | 25,0 |
| 55 | ±1,0 | 23,7 | 30,3 |
| 60 | ±1,0 | 28,3 | 36,0 |
| 65 | ±1,0 | 33,2 | 42,3 |
| 70 | ±1,0 | 38,5 | 49,0 |
| 75 | ±1,0 | 44,2 | 56,3 |
| 80 | ±1,0 | 50,2 | 64,0 |
| 90 | ±1,0 | 63,6 | 81,0 |
| 100 | ±1,3 | 78,5 | 100 |
| 110 | ±1,5 | 95,0 | 121 |
| 120 | ±1,5 | 144 | |
| 130 | ±1,8 | 113 | 169 |
| 140 | ±1,8 | 154 | 196 |
| 150 | ±1,8 | 177 | 225 |
The permissible deviation range in the order may be accepted on the plus side by agreement. Density: 7.85 kg/dm³ Uyar Çelik square production range: 16 mm – 100 mm.
Figure 1 – Hot-rolled square steel bar
