PROPRIETA' OTTONE e TOLLERANZE
Brass Properties & Tolerances
| STANDARD TOLERANCES ON ROUND TUBES | |||||
| Tolerances in mm on Diameters (OD or ID) | |||||
| Nominal Diameter in mm | Tolerances on nominal diameter | ||||
| applicable to | applicable to | ||||
| over | up to and including | mean diameter | any diameter | ||
| 3 | 10 | +/- 0.06 | +/- 0.12 | ||
| 10 | 20 | +/- 0.08 | +/- 0.16 | ||
| 20 | 30 | +/- 0.12 | +/- 0.24 | ||
| 30 | 50 | +/- 0.15 | +/- 0.30 | ||
| 50 | 100 | +/- 0.20 | +/- 0.50 | ||
| Notes: | |||||
| not applicable to annealed tubes | |||||
| not applicable for tubes with Outside Diameter/thickness > 50 | |||||
| Tolerances in % of wall thickness t | |||||
| Nominal Outside Diameter in mm | tollerances on nominal | ||||
| wall thickness t, in % | |||||
| over | up to and including | t from 0.3 to 1mm | t over 1 to 3mm | ||
| 3 | 40 | +/- 15 | +/- 13 | ||
| 40 | 120 | +/- 15 | +/- 13 | ||