The impact of surface roughness of steel materials on spring performance and the importance of improving surface quality.
[Reproduction Private Spring Preparatory School Lecture 20] Not only does fatigue strength decrease, but the thickness of the material and wire diameter also decrease: Gama skin, shark skin, and Zenitamus!
The surface of the steel oxidizes due to heating. In fact, this heating oxidation occurs from around 200 degrees. When well-polished steel is heated above 200 degrees, it changes from yellow to purple, and at around 300 degrees, it changes from violet to blue. This is what is referred to as temper colors, which are very thin iron oxide films. At this level, the oxide film actually provides corrosion resistance and has beautiful colors, so it is often used as a surface treatment for springs without causing any harm. However, as the temperature gradually increases, this thin oxide film gradually grows thicker. *For more detailed information, please refer to the PDF. For further inquiries, feel free to contact us.*
- Company：アキュレイト 東京カスタマーセンター
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