To confirm! Citing information from other blogs: What materials are required for lighting poles??
The JIS standard (JIL1001) of the Japan Lighting Manufacturers Association specifies the material, structure, surface treatment, and inspection methods for steel tapered poles installed on roads and sidewalks.
In terms of material, steel (thick steel plates) is used, considering fatigue strength, impact resistance, and corrosion resistance. High strength and ductility are required. Regarding structure, a design with cylindrical or conical cross-sections that can withstand load tests (such as wind pressure and earthquakes) is necessary. For surface treatment, hot-dip galvanizing plus painting or cationic electrodeposition coating is standard to prevent rust, and a continuous coating is important. The inspection system covers in-process inspections during manufacturing, measurement of dimensions and coating thickness upon acceptance, and submission of test reports for certification.
By thoroughly implementing materials and quality control in accordance with these JIS standards, safety, durability, and reliability are ensured, securing stability in construction and consistency in aesthetics. Kanda Industries manufactures JIS-compliant steel poles and provides products with established design, construction, and inspection systems.
For more detailed explanations, please visit Kanda Industries' website! You can find more in the related links.

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