Seamless cold-drawn precision H8 tubes
Seamless E355+SR tubes to EN 10305-1 with H8 ID tolerance for hydraulic cylinders; oiled ID/OD.

Technical specifications
| Parameter | Specification |
|---|---|
| Steel grade | E355 + SR |
| Standard | EN 10305-1 |
| ID tolerance | H8 |
| Eccentricity | max 5% |
| Straightness | max 0.5 / 1000 mm |
| Roughness | Ra ≤ 0.4 μm |
| Length | 5,000–7,000 mm |
| Protection | Oiled on ID and OD |
Applications
- Cylinder tubes for hydraulics
- Applications with critical ID machining
- Precision hydraulic equipment
Catalogues and files
Questions about Seamless cold-drawn precision H8 tubes
Short answers on applications, RFQ inputs, cut-to-length service, and recurring supply.
Where are Seamless cold-drawn precision H8 tubes used?
Seamless tubes with H8 internal diameter tolerance are used in the production of various types of hydraulic cylinders.
What should an RFQ for Seamless cold-drawn precision H8 tubes include?
Include the required dimensions, length, quantity, grade or standard, surface requirements, tolerance requirements, and whether the material should be supplied cut to length or in stock lengths.
Can Seamless cold-drawn precision H8 tubes be supplied cut to length?
Yes. Max Metal can support customer-specific cutting of tubes and bars through the AMADA machine setup in the Plovdiv distribution center, subject to the requested dimensions and execution.
Can Max Metal support recurring supply of Seamless cold-drawn precision H8 tubes?
Yes. When the application requires repeated deliveries, Max Metal can combine stock availability, covered storage, and coordinated deliveries to support recurring production programs.
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