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 |
| OD range | Ø60 – Ø210 mm |
| ID range | Ø50 – Ø180 mm |
| WT range | 5 – 20 mm |
| 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
Supply and transport from Plovdiv
Seamless cold-drawn precision H8 tubes is supplied through the Max Metal distribution center in Plovdiv for customers in Bulgaria and across Europe.
Seamless E355+SR tubes to EN 10305-1 with H8 ID tolerance for hydraulic cylinders; oiled ID/OD.
- Transport from Plovdiv to customers in Bulgaria and Europe
- Recurring supply can be coordinated according to the production schedule
- Cut-to-length preparation according to customer specification where applicable
Technical details for H8 seamless precision tubes RFQs
For a faster quotation for H8 seamless precision tubes, specify dimensions, steel grade or standard, length, quantity, and any processing or certificate requirements.
- Steel grade: E355 + SR
- Standard: EN 10305-1
- OD range: Ø60 – Ø210 mm
- ID range: Ø50 – Ø180 mm
- Applications: Cylinder tubes for hydraulics, Applications with critical ID machining, Precision hydraulic equipment
Catalogues and files
Solutions and guides featuring this product
Application pages with tolerances, standards, and a comparison between executions.
Materials for hydraulic cylinders: which tube and which rod for which part
Each part of a hydraulic cylinder has its own requirement. Here is what decides the choice for the barrel, rod, piston and bushings, which product group to open, and when not. Sizes are on the product pages.
Open the pageEN 10305 precision tubes: parts 1, 2 and 4 compared
Part 1 covers seamless tubes, part 2 welded tubes, part 4 hydraulic and pneumatic systems. See the +C, +SR and +N conditions, and how the standard differs from H8 and H9 tolerances.
Open the pageQuestions 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.
Does Max Metal offer 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.
Send specifications for a quotation.
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