On January 1, 1991, the standard officially replaced traditional measurement units with the International System of Units (SI) Recent Revision (2022): The current active edition is JIS H 4100:2022 , which superseded the 2015 version on December 20, 2022. What the PDF Contains
JIS H 4100 is closely harmonized with global standards, including ISO 209 (chemical composition) and ISO 6362 (parts 1, 2, 4, and 7), ensuring seamless procurement and substitution across international supply chains. 🛠️ Key Technical Specifications of JIS H 4100 jis h4100 standard pdf