EN10305-2 Standard Automotive Grade Welded Steel Tube with Honed Finish for Precision Applications
EN10305-2 Precision Automotive Carbon Welded Steel Tube Honed Steel Pipe is a top-tier solution for automotive applications, meticulously engineered for precision and performance. These tubes, crafted with high-quality carbon steel, boast exceptional strength and durability. The honed finish ensures smooth operation and optimal hydraulic performance, ideal for demanding automotive environments. With stringent adherence to EN10305-2 standards, these tubes offer reliability and efficiency, making them a preferred choice for critical automotive systems where precision and quality are paramount.
| Designation | Symbol | Description |
|---|---|---|
| Cold finished (hard) | BK | Tubes do not undergo heat treatment following the final cold forming and, thus, have a rather high resistance to deformation. |
| Cold finished (soft) | BKW | The final heat treatment is followed by cold drawing involving limited deformation. Appropriate further processing allows a certain degree of cold forming (e.g. bending, expanding). |
| Cold finished and stress-relieved | BKS | Heat treatment is applied following the last cold forming process. Subject to appropriate processing conditions, the increase in the residual stresses involved enables both forming and machining to a certain degree. |
| Annealed | GBK | The last cold forming process is followed by annealing in a controlled atmosphere. |
| Normalized | NBK | The last cold forming process is followed by annealing above the upper transformation point in a controlled atmosphere. |
Available materials: E235, E355, 26MnB5, 34MnB5
The internal and external surface finish of the tubes shall be typical of the manufacturing process and, where applicable, the heat treatment, and it shall be such that any surface imperfections such as ridges, dents or shallow grooves requiring dressing can be identified.
Surface imperfections which encroach on the specified minimum wall thickness shall be considered defects and tubes containing these shall be deemed not to conform to this part of EN 10305.
- Roughness of inside surface is not more than 4μm in the delivery conditions +C, +LC
- Roughness of outside surface is not more than 4μm in the delivery conditions +SR, +A, +N, +C, +LC
- Tube OD: 4-30mm, WT: 0.5-10mm
- Surface treatment in delivery: Oiled, black phosphated, zinc coated
- Application: automotive, vehicle, general engineering industries
- Each piece of tube is high pressure flushed for high cleanness
- Each piece of tube ends is plugged with plastic caps
- Each piece of tube is ink-marked with standard, size, condition
- Wooden case packing
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