DIMENSION AND SHAPE TOLERANCES
Table 1 – Preferred Dimensions and Masses of Hot-Rolled Flat Steel Bars for General Use. Dimensions are in mm. Due to manufacturing processes, the corners may be sharp to the extent allowed by hot rolling production.
| Genişlik Width (mm) | Kalınlık / Thickness t (mm) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 6 | 7 | 8 | 10 | 12 | 15 | 20 | 25 | 30 | 40 | 50 | 60 | 70 | |
| 20 | 0.94 | 1.10 | 1.26 | 1.57 | 2.36 | 2.94 | |||||||
| 25 | 1.18 | 1.37 | 1.57 | 1.96 | 2.83 | 3.53 | 4.71 | ||||||
| 30 | 1.41 | 1.65 | 1.88 | 2.36 | 3.30 | 4.12 | 5.50 | ||||||
| 35 | 1.65 | 1.92 | 2.20 | 2.75 | 3.77 | 4.71 | 6.28 | 7.85 | 9.42 | ||||
| 40 | 1.88 | 2.20 | 2.51 | 3.14 | 4.71 | 5.89 | 7.85 | 9.81 | 11.78 | 13.74 | |||
| 50 | 2.36 | 2.75 | 3.14 | 3.93 | 5.65 | 7.07 | 9.42 | 11.78 | 14.13 | 16.49 | 18.84 | ||
| 60 | 2.83 | 3.30 | 3.77 | 4.71 | 6.59 | 8.24 | 10.99 | 13.74 | 16.49 | 19.23 | 21.98 | 27.48 | |
| 70 | 3.30 | 3.85 | 4.40 | 5.50 | 7.54 | 9.42 | 12.56 | 15.70 | 18.84 | 21.98 | 25.12 | 31.40 | |
| 80 | 3.77 | 4.40 | 5.02 | 6.28 | 8.48 | 10.60 | 14.13 | 17.66 | 21.20 | 24.73 | 28.26 | 35.33 | |
| 90 | 4.24 | 4.95 | 5.65 | 7.07 | 9.42 | 11.78 | 15.70 | 19.63 | 23.55 | 27.48 | 31.40 | 39.25 | 47.10 |
| 100 | 4.71 | 5.50 | 6.28 | 7.85 | 11.30 | 14.13 | 18.84 | 23.55 | 28.26 | 32.97 | 37.68 | 47.10 | 56.52 |
| 120 | 5.65 | 6.59 | 7.54 | 9.42 | 11.30 | 14.13 | 18.84 | 23.55 | 28.26 | 32.97 | 37.68 | 47.10 | 56.52 |
| 130 | 6.12 | 7.14 | 8.16 | 10.21 | 12.25 | 15.31 | 20.41 | 25.51 | 30.62 | 35.72 | 40.82 | 51.03 | 61.23 |
| 140 | 6.59 | 7.69 | 8.79 | 10.99 | 13.19 | 16.19 | 21.98 | 27.48 | 32.97 | 38.47 | 43.96 | 54.95 | 65.94 |
| 150 | 7.07 | 8.24 | 9.42 | 11.78 | 14.13 | 17.66 | 23.55 | 29.44 | 35.33 | 41.21 | 47.10 | 58.88 | 70.65 |
| 160 | 7.54 | 8.79 | 10.05 | 12.56 | 15.07 | 18.84 | 25.12 | 31.40 | 37.68 | 43.96 | 50.24 | 62.80 | 75.36 |
| 170 | 8.01 | 9.34 | 10.68 | 13.35 | 16.01 | 20.02 | 26.69 | 33.36 | 40.04 | 46.71 | 53.38 | 66.73 | 80.07 |
| 180 | 8.48 | 9.89 | 11.30 | 14.13 | 16.69 | 21.20 | 28.26 | 35.33 | 42.39 | 49.46 | 56.52 | 70.65 | 84.78 |
| 200 | 9.42 | 10.99 | 12.56 | 15.70 | 18.84 | 23.55 | 31.40 | 39.25 | 47.10 | 54.95 | 62.80 | ||
Calculated using a density of 7.85 kg/dm³. This table represents the entirety of Uyar Çelik’s production.
Table 2
Dimensional and Shape Tolerances of Hot-Rolled Flat Bars for General Use
| Genişlik / Wideness b | Anma Genişliği / Nominal Wideness | Sapma Sınırları / Deviation Limits |
|---|---|---|
| Şekil 1'e bakınız See Figure 1 | 10 ≤ b ≤ 40 | ± 0,75 |
| 40 < b ≤ 80 | ± 1 | |
| 80 < b ≤ 100 | ± 1,5 | |
| 100 < b ≤ 120 | ± 2 | |
| 120 < b ≤ 150 | ± 2,5 | |
| Kalınlık / Thickness t | Anma Kalınlığı / Nominal Thickness | Sapma Sınırları / Deviation Limits |
| Şekil 1'e bakınız See Figure 1 | t ≤ 20 | ± 0,5 |
| 20 < t ≤ 40 | ± 1 | |
| 40 < t ≤ 80 | ± 1,5 |