EP 3034642 B1 20181219 - MARTENSITIC STAINLESS STEEL HAVING EXCELLENT WEAR RESISTANCE AND CORROSION RESISTANCE, AND METHOD FOR PRODUCING SAME
Title (en)
MARTENSITIC STAINLESS STEEL HAVING EXCELLENT WEAR RESISTANCE AND CORROSION RESISTANCE, AND METHOD FOR PRODUCING SAME
Title (de)
ROSTFREIER MARTENSITISCHER STAHL MIT AUSGEZEICHNETER VERSCHLEISSFESTIGKEIT UND KORROSIONSBESTÄNDIGKEIT UND VERFAHREN ZUR HERSTELLUNG DAVON
Title (fr)
ACIER INOXYDABLE MARTENSITIQUE AYANT UNE EXCELLENTE RÉSISTANCE À L'USURE ET UNE EXCELLENTE RÉSISTANCE À LA CORROSION, ET PROCÉDÉ POUR SA PRODUCTION
Publication
Application
Priority
- JP 2013167780 A 20130812
- JP 2014071175 W 20140811
Abstract (en)
[origin: EP3034642A1] Martensitic stainless steel of the present invention having excellent corrosion resistance includes, by mass%, C: 0.40% to 0.50%, Si: 0.25% to 0.60%, Mn: 2.0% or less, P: 0.035% or less, S: 0.010% or less, Cr: 11.0% to 15.5%, Ni: 0.01% to 0.60%, Cu: 0.50% or less, Mo: 0.10% or less, Sn: 0.005% to 0.10%, V: 0.10% or less, Al: 0.03% or less, N: 0.01% to 0.05%, and a remainder including Fe and inevitable impurities, in which amounts of C, N, and Sn satisfy Expression (1): S value = 16 × Sn / C + 2 × N / C ‰¥ 0.40 %
IPC 8 full level
C21D 1/25 (2006.01); C21D 6/00 (2006.01); C21D 8/02 (2006.01); C22C 38/00 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/06 (2006.01); C22C 38/42 (2006.01); C22C 38/44 (2006.01); C22C 38/46 (2006.01); C22C 38/48 (2006.01); C22C 38/50 (2006.01); C22C 38/58 (2006.01)
CPC (source: EP)
C21D 1/25 (2013.01); C21D 6/002 (2013.01); C21D 8/0263 (2013.01); C22C 38/00 (2013.01); C22C 38/001 (2013.01); C22C 38/008 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); C22C 38/42 (2013.01); C22C 38/44 (2013.01); C22C 38/46 (2013.01); C22C 38/48 (2013.01); C22C 38/50 (2013.01); C22C 38/58 (2013.01); C21D 2211/008 (2013.01)
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
DOCDB simple family (publication)
EP 3034642 A1 20160622; EP 3034642 A4 20170426; EP 3034642 B1 20181219; JP 6353839 B2 20180704; JP WO2015022932 A1 20170302; WO 2015022932 A1 20150219
DOCDB simple family (application)
EP 14835747 A 20140811; JP 2014071175 W 20140811; JP 2015531808 A 20140811