EN 10305-6 E235 Cold Drawn Welded Tubes Carbon Steel Tube For Hydraulic power system
EN 10305-6 E155 E195 E235 E275 E355 Cold Drawn Welded Tubes Carbon Steel Tube for Hydraulic Power System
Material
EN 10305-6 specifies the requirements for cold drawn welded tubes made from carbon steel, which are primarily used in hydraulic systems. These tubes are manufactured to provide high precision and excellent mechanical properties, making them suitable for various applications in the hydraulic industry.
Specification
The standard outlines the dimensions, tolerances, and mechanical properties required for precision steel tubes. The tubes are typically produced in a range of sizes and wall thicknesses to meet specific application needs.
Key Features
- High Precision: Manufactured to tight tolerances for optimal performance.
- Excellent Mechanical Properties: Designed to withstand high pressure and stress.
- Corrosion Resistance: Suitable for hydraulic applications where exposure to fluids is common.
- Versatile Applications: Can be used in various hydraulic systems across different industries.
Chemical Composition
| Steel Grade | C (%) | Si (%) | Mn (%) | P (%) | S (%) | Cr (%) | Ni (%) | Mo (%) |
|---|---|---|---|---|---|---|---|---|
| E155 | 0.12 | 0.15 | 0.60 | 0.025 | 0.025 | 0.25 | 0.25 | 0.10 |
| E195 | 0.15 | 0.15 | 0.70 | 0.025 | 0.025 | 0.30 | 0.30 | 0.10 |
| E235 | 0.20 | 0.15 | 0.80 | 0.025 | 0.025 | 0.30 | 0.30 | 0.10 |
| E275 | 0.25 | 0.15 | 0.90 | 0.025 | 0.025 | 0.30 | 0.30 | 0.10 |
| E355 | 0.30 | 0.15 | 1.00 | 0.025 | 0.025 | 0.30 | 0.30 | 0.10 |
Mechanical Properties
| Steel Grade | Yield Strength (MPa) | Tensile Strength (MPa) | Elongation (%) | Hardness (HB) |
|---|---|---|---|---|
| E155 | 155 | 350 | 22 | 130 |
| E195 | 195 | 400 | 20 | 140 |
| E235 | 235 | 450 | 18 | 150 |
| E275 | 275 | 500 | 16 | 160 |
| E355 | 355 | 600 | 14 | 170 |
Steel Grade
The steel grades specified in EN 10305-6 include E155, E195, E235, E275, and E355. Each grade offers different mechanical properties and is suitable for various applications in hydraulic systems.
Application
Cold drawn welded tubes are widely used in hydraulic power systems, including:
- Hydraulic cylinders
- Hydraulic pumps
- Automotive hydraulic systems
- Industrial machinery
- Construction equipment
Possible Alternative Grades
In addition to the specified grades, alternative steel grades may be considered based on specific application requirements. These may include:
- S235
- S275
- S355
- 20MnV6
These alternative grades can provide similar mechanical properties and may be used in applications where EN 10305-6 grades are not available or suitable.
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