Fastener knowledge: screw selection skills

1. The mechanical properties of the screw material, especially the strength requirements. Some screws need higher strength, so choose the higher strength of the screw material itself.

2. The requirements of working conditions on the corrosion resistance of materials. Some screws of the standard parts network are used in products with strong corrosion performance, which requires us to choose screw wires with strong corrosion resistance. (Guide: Six common problems of high-strength fasteners)

3. The working temperature requires the material's heat resistance (high temperature strength, oxidation resistance). Some screws are used in high temperature operation, which requires us to choose screw materials with high temperature resistance.

4. Requirements for material processing performance in terms of production technology. In terms of production technology, some screw wires are better to process, some are more difficult, and the hardness is harder in all aspects. This requires us to choose the appropriate hardness of the screw material, which is conducive to processing and production.

5. Other aspects, such as weight, price, and purchasing factors must be considered. The weight, price, purchase and other factors of the standard mesh screw itself affect the choice of screw material. Only when these aspects are properly considered can a better choice of screw material.

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