TORICH INTERNATIONAL LIMITED
TORICH INTERNATIONAL LIMITED The Steel Tube Maker
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EN 10305-4 Seamless Cold Drawn Pipe for Precision Applications
The tubes shall be manufactured from hot finished seamless tubes by cold drawing. Other suitable methods of cold working are permitted.
The tubes shall be delivered in the delivery condition +N which means that after the final cold drawing operation the tubes are normalized in a controlled atmosphere.
Size and tolerances
| Specified outside diameter with tolerance | Specified inside diameter with tolerance | Wall thickness | ||
| 4 | ±0.08 | 3 | ±0.15 | 0.5 |
| 2 | 1 | |||
| 5 | ±0.08 | 3.3 | ±0.15 | 0.75 |
| 5 | 1 | |||
| 6 | ±0.08 | 4 | ±0.12 | 1 |
| 3 | ±0.15 | 1.5 | ||
| 2 | 2 | |||
| 8 | ±0.08 | 6 | ±0.10 | 1 |
| 5 | 1.5 | |||
| 4 | ±0.15 | 2 | ||
| 3 | 2.5 | |||
| 10 | ±0.08 | 8 | ±0.08 | 1 |
| 7 | ±0.12 | 1.5 | ||
| 6 | ±0.15 | 2 | ||
| 5 | 2.5 | |||
| 12 | ±0.08 | 10 | ±0.08 | 1 |
| 9 | ±0.10 | 1.5 | ||
| 8 | ±0.12 | 2 | ||
| 7 | ±0.15 | 2.5 | ||
| 6 | 3 | |||
| 14 | ±0.08 | 12 | ±0.08 | 1 |
| 11 | 1.5 | |||
| 10 | ±0.10 | 2 | ||
| 9 | ±0.12 | 2.5 | ||
| 8 | ±0.15 | 3 | ||
| 15 | ±0.08 | 13 | ±0.08 | 1 |
| 12 | 1.5 | |||
| 11 | ±0.10 | 2 | ||
| 10 | ±0.12 | 2.5 | ||
| 9 | ±0.15 | 3 | ||
Chemical composition
Mechanical properties at room temperature
Procuction Process
Packing