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Calibrated tube BK 8 x 4 x 2 mm
| Designation | BK 8x4x2 | |
|---|---|---|
| Outer diameter | 8 | mm |
| Inner diameter | 4 | mm |
| Thickness | 2 | mm |
| Cross-sectional area | 0,38 | cm² |
| Second moment of area | 0,02 | cm⁴ |
| Elastic section modulus | 0,05 | cm³ |
| Linear weight | 0,3 | kg/m |
The BK 8 x 4 x 2 mm calibrated tube is a seamless precision tube with an outside diameter of 8 mm, an inside diameter of 4 mm and a wall thickness of 2 mm. With an approximate weight of 0.3 kg/m, it is supplied in 6,000 mm lengths for hydraulic and pneumatic circuits.
BK calibrated tubes are seamless precision tubes, annealed and normalized, with tight tolerances and good machinability. They are used in hydraulic and pneumatic circuits, cylinders, automation and mechanical applications requiring dimensional stability.
- Theoretical weight: 0.3 kg/m
- Length: 6,000 mm
- Outside diameter: 8 mm
- Inside diameter: 4 mm
- Wall thickness: 2 mm
- Outside diameter tolerance: ±0.08 mm
- Inside diameter tolerance: ±0.15 mm
- Standard grade: St-35 or E235
Price and availability on request. Contact us for other sizes, grades or lengths.
