Hot-rolled round bars for general-purpose use covered by this standard are supplied in the specified dimensions given in Table 1 and shown in Figure 1. Preferred dimensions are provided in Table 1.
Table 1 – Preferred Dimensions, Masses, and Dimensional Tolerances of Hot-Rolled Round Bars for General and Precision Use
| Cap / Diameter d mm | Sapma Sınırı Normal / Deviation Limits Normal mm | Sapma Sınırı Hassas / P Deviation Limits Precise mm | Birim Ağırlık Weight per meter Kg/m | Kesit Alanı Sectional Area Cm² |
|---|---|---|---|---|
| 16 | ±0,5 | 0,20 | 1,58 | 2,01 |
| 18 | ±0,5 | ±0,20 | 2,00 | 2,54 |
| 19 | ±0,5 | ±0,20 | 2,23 | 2,84 |
| 20 | ±0,5 | ±0,20 | 2,47 | 3,14 |
| 22 | ±0,5 | ±0,20 | 2,98 | 3,80 |
| 24 | ±0,5 | ±0,25 | 3,55 | 4,91 |
| 25 | ±0,5 | ±0,25 | 3,85 | 5,31 |
| 26 | ±0,6 | ±0,25 | 4,17 | 5,73 |
| 27 | ±0,6 | ±0,25 | 4,49 | 6,16 |
| 28 | ±0,6 | ±0,25 | 4,83 | 7,07 |
| 30 | ±0,6 | ±0,25 | 5,55 | 8,04 |
| 32 | ±0,6 | ±0,30 | 6,31 | 9,62 |
| 35 | ±0,6 | ±0,30 | 7,55 | 10,2 |
| 36 | ±0,6 | ±0,30 | 7,99 | 1,3 |
| 38 | ±0,6 | ±0,30 | 8,90 | 12,6 |
| 40 | ±0,8 | ±0,30 | 9,86 | 13,9 |
| 42 | ±0,8 | ±0,40 | 10,9 | 15,9 |
| 45 | ±0,8 | ±0,40 | 12,5 | 18,1 |
| 48 | ±0,8 | ±0,40 | 14,2 | 19,6 |
| 50 | ±0,8 | ±0,40 | 15,4 | 21,2 |
| 52 | ±1 | ±0,40 | 16,7 | 23,8 |
| 55 | ±1 | ±0,50 | 18,7 | 28,3 |
| 60 | ±1 | ±0,50 | 22,2 | 31,2 |
| 63 | ±1 | ±0,50 | 24,5 | 33,2 |
| 65 | ±1 | ±0,50 | 26,0 | 38,5 |
| 70 | ±1 | ±0,50 | 30,2 | 41,9 |
| 73 | ±1 | ±0,50 | 32,9 | 44,2 |
| 75 | ±1 | ±0,50 | 34,7 | 44,2 |
| 80 | ±1 | ±0,50 | 39,5 | 50,3 |
| 85 | ±1,3 | ±0,50 | 44,5 | 56,7 |
| 90 | ±1,3 | ±0,50 | 49,9 | 63,6 |
| 95 | ±1,3 | ±0,50 | 55,6 | 70,9 |
| 100 | ±1,3 | ±0,50 | 61,7 | 78,5 |
| 105 | ±1,5 | ±0,50 | 68,0 | 86,6 |
| 110 | ±1,5 | ±0,50 | 74,6 | 95,0 |
| 115 | ±1,5 | ±0,50 | 81,5 | 104 |
| 120 | ±1,5 | ±0,50 | 88,8 | 113 |
| 125 | ±1,5 | ±0,50 | 96,3 | 123 |
| 130 | ±2 | ±0,50 | 104 | 133 |
Bars with a diameter greater than 250 mm can be delivered with a ±6.0 mm tolerance. The permissible deviation range in the order can be accepted on the plus side by agreement. Density: 7.85 kg/dm³
Figure 1 – Hot-Rolled Round Steel Bar
