{"id":"S85047869","label":"Ferritic steel","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85047869","normalized_label":"ferritic steel","broader":["http://id.loc.gov/authorities/subjects/sh85127793"],"aliases":["Ferritic stainless steel","Steel, Ferritic"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85047869","provider":"lcsh","revision":"95d49369a33224e7","taxonomy_revision":"f050b5d4780b1289","title":"Ferritic steel","url":"/topics/S85047869","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10126357232305193472","address_version":"morton4x16-v1","coordinates":[0,20,18152,62464],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}