Searching for the "English PDF" is a common activity for engineers working with Japanese manufacturing specifications, as the official Japanese versions are often the only ones freely available, while the English translations usually require purchase from standards organizations like the Japanese Standards Association (JSA).
General procedures for preparing and conditioning test pieces. JIS K 6253: Determination of hardness. jis k 6258 english pdf
The earlier 1993 version is no longer considered valid. Users are strongly advised to use the most current version, JIS K 6258:2016, to ensure their testing procedures are up-to-date and compliant. Searching for the "English PDF" is a common