NB/T 20007.25-2021 English PDFNB/T 20007.25: Historical versions
Basic dataStandard ID: NB/T 20007.25-2021 (NB/T20007.25-2021)Description (Translated English): (Stainless steel for pressurized water reactor nuclear power plant - Part 25: Austenitic-ferritic stainless steel for pumps A, B, C non-pressure casting internal parts) Sector / Industry: Energy Industry Standard (Recommended) Classification of Chinese Standard: J31 Classification of International Standard: 77.140.80 Date of Issue: 2021-01-07 Date of Implementation: 2021-07-01 Older Standard (superseded by this standard): NB/T 20007.25-2013 Regulation (derived from): National Energy Administration Announcement No. 1 of 2021 Issuing agency(ies): National Energy Administration |