EN10305 E155 Carbon Steel Pipe Seamless Hydraulic Tube with High Strength and Corrosion Resistance
DOM E155 E195 E235 E275 E355 Carbon Steel Pipe Seamless Hydraulic Tube is a high-quality, seamless solution for hydraulic applications, engineered for robust performance. Crafted from durable carbon steel, these tubes offer exceptional strength and reliability in hydraulic systems. With seamless construction, they ensure efficient fluid flow and longevity, making them ideal for demanding hydraulic environments.
- O.D.: 6-420mm
- W.T.: 1-50mm
- Length: maximum 12000mm
- Auto industry
- Machinery use
- Oil cylinder tube
- Motorcycle shock absorber
- Auto shock absorber
- Inner cylinder
- Telescopic cylinders
- Jack lifting system
- Hydraulic cylinders
The internal and external surface finish of the tubes is smooth, while the weld seam is not visible or tangible. The ID surface has roughness Ra≤4μm, with the best ID smoothness reaching Ra≤0.8μm. The inner surface can be measured and reported if requested by the purchaser before purchase order.
Available steel grades: E155, E195, E235, E275, E355
Available delivery conditions: +C, +LC, +SR, +A, +N
| Designation | Symbol | Description |
|---|---|---|
| Cold drawn / hard | +C | Without thermal processing, after the process of cold drawing is finished |
| Cold drawn / soft | +LC | After final thermal processing, appropriate drawing |
| Cold drawn and annealed | +SR | After the final cold drawing process and annealing thermal processing in a controlled atmosphere |
| Annealed | +A | After the final cold drawing process, the pipes are annealed in a controlled atmosphere |
| Normalized | +N | After the final cold drawing process, the pipes are normalized in a controlled atmosphere |
DOM, ERW + cold drawn
| Steel Grade | +C | +LC | +SR | +A | +N | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rm MPa | A % | Rm MPa | A % | Rm MPa | ReH MPa | A % | Rm MPa | A % | Rm MPa | ReH MPa | A % | |
| E155 | 400 | 6 | 350 | 10 | 350 | 245 | 18 | 260 | 28 | 270-410 | 155 | 28 |
| E195 | 420 | 6 | 370 | 10 | 370 | 260 | 18 | 290 | 28 | 300-440 | 195 | 28 |
| E235 | 490 | 6 | 440 | 10 | 440 | 325 | 14 | 315 | 25 | 340-480 | 235 | 25 |
| E275 | 560 | 5 | 510 | 8 | 510 | 375 | 12 | 390 | 21 | 510-550 | 275 | 21 |
| E355 | 640 | 4 | 590 | 6 | 590 | 435 | 10 | 450 | 22 | 490-630 | 355 | 22 |
| Steel Grade | C max % | Si max % | Mn max % | P max % | S max % |
|---|---|---|---|---|---|
| E155 | 0.11 | 0.35 | 0.70 | 0.025 | 0.025 |
| E195 | 0.15 | 0.35 | 0.70 | 0.025 | 0.025 |
| E235 | 0.17 | 0.35 | 1.20 | 0.025 | 0.025 |
| E275 | 0.21 | 0.35 | 1.40 | 0.025 | 0.025 |
| E355 | 0.22 | 0.35 | 1.60 | 0.025 | 0.025 |
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