Externally chrome-plated tubes
Externally chrome-plated precision tubes in E355+SR to EN 10305-1 for hydraulic cylinder production and piston bodies.

Technical specifications
| Parameter | Specification |
|---|---|
| Steel grade | E355+SR |
| Standard | EN 10305-1 |
| Diameter tolerance | ISO f7 |
| Roughness | Ra ≤ 0.20 μm |
| Chrome layer | min 20 μm |
| Chrome hardness | ≥ 900 HV0.1 |
| Corrosion resistance | Rating 9-10 / 200h NSS (ISO 10289) |
| Protection | Oiled on ID and OD |
Applications
- Pistons for hydraulic cylinders
- Telescopic cylinders
- Precision mechanical assemblies
Catalogues and files
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