EP 4265799 A1 20231025 - AUSTENITIC STAINLESS STEEL WITH IMPROVED CORROSION RESISTANCE AND MACHINABILITY AND METHOD FOR MANUFACTURING SAME
Title (en)
AUSTENITIC STAINLESS STEEL WITH IMPROVED CORROSION RESISTANCE AND MACHINABILITY AND METHOD FOR MANUFACTURING SAME
Title (de)
AUSTENITISCHER EDELSTAHL MIT VERBESSERTER KORROSIONSBESTÄNDIGKEIT UND BEARBEITBARKEIT UND VERFAHREN ZUR HERSTELLUNG DAVON
Title (fr)
ACIER INOXYDABLE AUSTÉNITIQUE À RÉSISTANCE À LA CORROSION ET À USINABILITÉ AMÉLIORÉES ET SON PROCÉDÉ DE FABRICATION
Publication
Application
Priority
- KR 20200179748 A 20201221
- KR 2021018701 W 20211210
Abstract (en)
Disclosed is an austenitic stainless steel with improved corrosion resistance and machinability. The austenitic stainless steel with improved corrosion resistance and machinability may comprise, in percent by weight (wt%), 0.05% or less of C (excluding 0), 2% or less of Si (excluding 0), 2% or less of Mn (excluding 0), 0.01% or less of S, 16 to 22% of Cr, 9 to 15% of Ni, 3% or less of Mo (excluding 0), 0.15 to 0.25% of N, 0.004 to 0.06% of B, and the remainder being Fe and inevitable impurities.
IPC 8 full level
C22C 38/58 (2006.01); C21D 8/00 (2006.01); C22C 38/42 (2006.01); C22C 38/44 (2006.01); C22C 38/54 (2006.01)
CPC (source: EP KR)
C21D 6/004 (2013.01 - EP); C21D 8/005 (2013.01 - KR); C21D 8/0263 (2013.01 - EP); C21D 9/46 (2013.01 - EP); C22C 38/001 (2013.01 - EP); C22C 38/02 (2013.01 - EP); C22C 38/04 (2013.01 - EP); C22C 38/42 (2013.01 - KR); C22C 38/44 (2013.01 - EP KR); C22C 38/54 (2013.01 - EP KR); C22C 38/58 (2013.01 - KR); C21D 2211/001 (2013.01 - EP KR); C21D 2211/004 (2013.01 - EP)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
EP 4265799 A1 20231025; CN 116848283 A 20231003; JP 2024500905 A 20240110; KR 102570524 B1 20230824; KR 20220089276 A 20220628; WO 2022139275 A1 20220630
DOCDB simple family (application)
EP 21911342 A 20211210; CN 202180090889 A 20211210; JP 2023538136 A 20211210; KR 20200179748 A 20201221; KR 2021018701 W 20211210