{"abstract":"The U.S. Nuclear Regulatory Commission (NRC) is issuing a revision to Regulatory Guide (RG) 1.31, \"Control of Ferrite Content in Stainless Steel Weld Metal.\" This guide (Revision 4) describes a method that the NRC staff considers acceptable for controlling ferrite content in stainless steel weld metal. It updates the guide to remove references to outdated standards and to remove an appendix that has been incorporated into relevant specifications.","action":"Regulatory guide; issuance.","agencies":[{"raw_name":"NUCLEAR REGULATORY COMMISSION","name":"Nuclear Regulatory Commission","id":383,"url":"https://www.federalregister.gov/agencies/nuclear-regulatory-commission","json_url":"https://www.federalregister.gov/api/v1/agencies/383","parent_id":null,"slug":"nuclear-regulatory-commission"}],"body_html_url":"https://www.federalregister.gov/documents/full_text/html/2013/10/24/2013-24893.html","cfr_references":[],"citation":"78 FR 63517","comment_url":null,"comments_close_on":null,"correction_of":null,"corrections":[],"dates":null,"disposition_notes":null,"docket_ids":["NRC-2012-0231"],"dockets":[],"document_number":"2013-24893","effective_on":null,"end_page":63518,"executive_order_notes":null,"executive_order_number":null,"explanation":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2013/10/24/2013-24893.xml","html_url":"https://www.federalregister.gov/documents/2013/10/24/2013-24893/control-of-ferrite-content-in-stainless-steel-weld-metal","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/2013-24893?publication_date=2013-10-24","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2013-10-24/2013-24893/mods.xml","not_received_for_publication":null,"page_length":2,"page_views":{"count":467,"last_updated":"2026-04-04 18:15:03 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2013-10-24/pdf/2013-24893.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2013-24893.pdf?1382534945","publication_date":"2013-10-24","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2013/10/24/2013-24893.txt","regulation_id_number_info":{},"regulation_id_numbers":[],"regulations_dot_gov_info":{"checked_regulationsdotgov_at":"2013-11-13T08:07:18Z"},"regulations_dot_gov_url":null,"significant":null,"signing_date":null,"start_page":63517,"subtype":null,"title":"Control of Ferrite Content in Stainless Steel Weld Metal","toc_doc":"Control of Ferrite Content in Stainless Steel Weld Metal","toc_subject":"Regulatory Guides:","topics":[],"type":"Notice","volume":78}