EN 10297-1
Object and scope
Standard that specifies the technical delivery conditions for alloy and non-alloy seamless tubes for mechanical and general engineering purposes.
Dimensional tolerances table
| Profile |  | |||
| Standard | EN 10297-1 | |||
| Outside diameter D mm. | Tolerances in D | Wall tolerances T for relation T/D | ||
| T/D≤0.025 | 0.025<T/D≤0.050 | 0.050<T/D | ||
| D≤219.1 | ±1% (±0.5 mm. for D≤50) | ±12.5% | ||
| D>219.1 | ±1% | ±20% | ±15% | ±12.5% |