Go to the official Japanese Standards Association webstore. Search for "H5114." You can purchase a single-user PDF for immediate download. As of the latest update, the current version is JIS H 5114:2022 (confirm the year upon purchase).
While it is tempting to hunt for a free download, the risks (audit failure, legal fines, bad data) far outweigh the $60–$80 cost of the official document from the JSA webstore. jis h 5114 pdf
If you have searched for the term , you are likely one of three people: a procurement officer needing to verify compliance, a quality engineer setting up a production line, or a student of materials science. Go to the official Japanese Standards Association webstore