Metric Honed Tubing is a premium-grade, precision-engineered cylinder tube designed for hydraulic and pneumatic applications. Our honed tubes ensure smooth operation, reduced friction, and extended service life in demanding industrial environments.
Superior Surface Finish – Precision honing achieves an optimal surface roughness (Ra ≤ 0.4 µm) for minimal seal wear.
Exceptional Straightness & Roundness – Tight tolerances (≤ 0.05 mm/m straightness, ≤ 0.02 mm roundness) enhance performance.
High-Strength Materials – Manufactured from cold-drawn seamless steel (ST52. E355. AISI 4130/4140) for durability.
| Parameter | Specification |
|---|---|
| Material Grade | ST52, E355, AISI 4130, AISI 4140 |
| Diameter Range | 20–500 mm (standard), custom sizes available |
| Length | Up to 12 meters (customizable) |
| Surface Roughness | Ra ≤ 0.4 µm (mirror finish available) |
| Straightness | ≤ 0.05 mm/m |
| Diameter Tolerance | H9 (±0.04–0.10 mm) |
| Roundness | ≤ 0.02 mm |
| Hardness | 180–300 HB (heat-treated options) |
| Chemical Composition | Low-carbon steel (C ≤ 0.25%, Mn ≤ 1.5%, Cr/Ni/Mo alloy variants) |
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