H8 Honed Tubes
Precision seamless tube with very tight tolerances, fully prepared for use in hydraulic and pneumatic cylinders
Most Common uses and Applications
This type of tube is used in hydraulic and pneumatic circuits, the H8 tolerance both in diameter and roughness allow them to be ready-to-use tubes
Stock Dimensions
- Outside: 35,00 - 250,00 mm.
- Inside: 45,00 - 324,00 mm.
- Thickness: 5,00 - 37,00 mm.
Application Standard
- EN-10305-1
Chemical Composition
| STEEL GRADES | NORM | C % max. | P % max. | S % max. | Mn % | Si % max. |
|---|---|---|---|---|---|---|
| E-355 | EN-10305-1 | 0,22 | 0,025 | 0,025 | 1,6 | 0,55 |
Mechanical Properties
| STEEL GRADES | NORM | Rm min. (N/mm2) | Re min. (N/mm2) | A min.% | Supply Conditions |
|---|---|---|---|---|---|
| E-355 | EN-10305-1 | 580 | 450 | 10 | SR |
Supply Tolerances
| OUTSIDE DIAMETER | According to EN-10305-1 or DIN-2391/94 | ||||
|---|---|---|---|---|---|
| Ø INSIDE DIAMETER (mm) | 30<d≤50 | 50<d≤80 | 80<d≤120 | 120<d≤180 | 180<d≤250 |
| TOLERANCE H8 (mm) | +0 a + 0,039 | +0 a + 0,046 | +0 a + 0,054 | +0 a + 0,063 | +0 a + 0,072 |
| RUGOSIRY | < 0,4 microns | ||||
Substitution Template
| REPLACED | CURRENT | |||
|---|---|---|---|---|
| NORM | QUALITY STEEL |  |
NORM | QUALITY STEEL |
| DIN-2391/94 | ST-52.0 | EN-10305-1 | E-235 | |
| SUPPLY CONDITIONS | SUPPLY CONDITIONS | |||
| BK + S | SR | |||
Dimensions
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