Introduction
The Honed Tube For Hydraulic Cylinder produced by our company is made of high-quality cold-drawn high-strength carbon steel pipe, and the inner diameter is made by precision mechanical grinding/rolling, which can effectively reduce the friction coefficient, and we can also customize according to customer requirements.
Product details
Name: Honed Tube For Hydraulic Cylinder
Material: STKM13A, STKM13C, SAE1020, A106B, ST52
Inner diameter surface roughness: Ra 0.8 max.
Inner diameter tolerance: ISO H9/H8
Thickness tolerance: tube wall thickness ±7%
Straightness: 1/1000
Mechanical properties
| Steel grade | Physics Project | Cold drawn tube |
| 20# | Tensile strength | ≥510 |
| Elongation | ≥12 | |
| 45# | Tensile strength | ≥647 |
| Elongation | ≥9 | |
| 16Mn | Tensile strength | ≥640 |
| Elongation | ≥12 | |
| 27siMn | Tensile strength | ≥840 |
| Elongation | ≥7.5 |
Production equipment
Testing equipment
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