EN10305-2 E235 Welded Cold Drawn Tubes Precision Steel Tube For Precision Applications
EN10305-2 E235 E195 E275 E355 Welded Cold Drawn Tubes: Precision Steel Tube for Precision Applications
Material
EN10305-2 specifies the requirements for welded cold drawn tubes made from carbon steel. These tubes are designed for precision applications, ensuring high dimensional accuracy and excellent surface quality.
Specification
The standard covers various grades of steel tubes, including E235, E195, E275, and E355. Each grade has specific mechanical properties and chemical compositions tailored for different applications.
Key Features
- High Precision: Manufactured to tight tolerances for precise applications.
- Excellent Surface Finish: Smooth surface ideal for further processing.
- Versatile Applications: Suitable for various industries, including automotive, machinery, and construction.
- Welded Construction: Provides strength and durability while maintaining lightweight characteristics.
Chemical Composition
| Steel Grade | C (%) | Si (%) | Mn (%) | P (%) | S (%) | Cr (%) | Ni (%) | Mo (%) |
|---|---|---|---|---|---|---|---|---|
| E195 | 0.10 | 0.15 | 0.60 | 0.025 | 0.025 | 0.00 | 0.00 | 0.00 |
| E235 | 0.12 | 0.15 | 0.60 | 0.025 | 0.025 | 0.00 | 0.00 | 0.00 |
| E275 | 0.15 | 0.15 | 0.70 | 0.025 | 0.025 | 0.00 | 0.00 | 0.00 |
| E355 | 0.20 | 0.15 | 0.80 | 0.025 | 0.025 | 0.00 | 0.00 | 0.00 |
Mechanical Properties
| Steel Grade | Yield Strength (MPa) | Tensile Strength (MPa) | Elongation (%) | Hardness (HB) |
|---|---|---|---|---|
| E195 | 195 | 310-430 | 28 | 90-120 |
| E235 | 235 | 360-480 | 26 | 90-120 |
| E275 | 275 | 410-530 | 24 | 90-120 |
| E355 | 355 | 470-630 | 22 | 90-120 |
Steel Grade
The EN10305-2 standard includes several steel grades, each designed for specific mechanical properties and applications. The most common grades are E195, E235, E275, and E355, with increasing strength and hardness.
Application
These precision steel tubes are widely used in various applications, including:
- Automotive Industry: For manufacturing components such as chassis and suspension systems.
- Machinery: In the production of hydraulic cylinders and other machinery parts.
- Construction: For structural applications and scaffolding.
Possible Alternative Grades
Depending on the specific requirements of an application, alternative grades may include:
- S235: A general structural steel grade with similar properties.
- S275: Offers higher strength and is suitable for more demanding applications.
- S355: Provides even greater strength and is used in heavy-duty applications.
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