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Although the fastener is a small mechanical part, its role is very important. Therefore, the fastener must be paid attention to when selecting the material. Here, it is introduced that the fastener should be considered when selecting the material. The following five aspects.
1. The mechanical properties of fastener materials, especially the strength requirements.
2. Requirements for the corrosion resistance of materials. (Guide: Three stages of fastener creep curve)
3. The working temperature of fasteners requires the material's heat resistance (high temperature strength, oxidation resistance).
4. Requirements for material processing performance in terms of production technology.
5. Other aspects, such as weight, price, and purchasing factors must be considered.
Through comprehensive and comprehensive consideration of these five aspects, the grades, varieties, specifications and material standards of the fasteners are finally determined.
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