{"tema_id":"1655","string":"Rockwell hardness (value)           #00380","created":"2022-12-19 09:13:38","code":null,"notes":[{"@type":"Cataloger's note","@lang":"en-EN","@value":"reference: R039:2006 2.2 "},{"@type":"Cataloger's note","@lang":"en-EN","@value":"ID: 00380 "},{"@type":"Definition note","@lang":"en-EN","@value":"number determined from a Rockwell hardness test, derived from the difference in the indentation depths before and after application of the additional force F , while maintaining the 1 "}]}