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Reason for
selection:
Japan National Stadium was designed as a high quality, long-life facility to last 100 years. In order to realize this designing concept, coated ferritic stainless steel has been adopted by the companies involved for finishing material of the stadium roof. The substrate grade is SUS445J2 with small thermal expansion and strong corrosion resistance, which is finish- coated with fluorine resin
For suppressing the temperature increase caused by solar radiation, fluorine
resin has been selected as it offers the highest level of whiteness and
durability in the pre-coating materials. At the time of construction, the
welding process of “stainless steel water-proofing method” was optimized
to reduce the material loss and shorten the work period.
The
adoption of stainless steel at the National Stadium, a model structure to last
long and harmonize with nature, is expected to be a significant contributor for
boosting stainless steel demand in the future.
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