Bearings, bushings, valve seats, and gears.
According to technical summaries found on platforms like GlobalSpec and Scribd , the standard details rigorous quality and testing requirements: jis h 5114 pdf
Materials produced to JIS H 5114 standards are prevalent in environments where high durability is critical: Bearings, bushings, valve seats, and gears
Known for good pressure tightness and corrosion resistance. jis h 5114 pdf