EP 2082073 A4 20110629 - DUPLEX STAINLESS STEEL ALLOY AND USE OF THIS ALLOY

Title (en)

DUPLEX STAINLESS STEEL ALLOY AND USE OF THIS ALLOY

Title (de)

DUPLEXEDELSTAHLLEGIERUNG UND VERWENDUNG DAVON

Title (fr)

ALLIAGE BINAIRE D'ACIER INOXYDABLE ET SON UTILISATION

Publication

EP 2082073 A4 20110629 (EN)

Application

EP 07835279 A 20071002

Priority

SE 2007050694 W 20071002
SE 0602287 A 20061030

Abstract (en)

[origin: WO2008054300A1] The present invention relates to a duplex stainless steel alloy containing in weight-%: C max 0.03%, Si < 0.30%, Mn 0-3.0%, P max 0,030%, S max 0,050%, Cr 25-29%, Ni 5-9%, Mo 4.5-8%, W 0-3%, Cu 0-2%, Co 0-3%, Ti 0-2%, Al 0-0.05%, B 0-0.01 %, Ca 0-0.01 %, and N 0.35-0.60%, balance Fe and normal occurring impurities, wherein the ferrite content is 30-70 volume- %, and wherein each weight-% of Mo above may optionally be replaced by two (2) weight-% W.

IPC 8 full level

C22C 38/44 (2006.01)

CPC (source: EP KR SE US)

C22C 38/44 (2013.01 - EP KR SE US)

Citation (search report)

[X] WO 2004079028 A1 20040916 - SANDVIK AB [SE], et al
[X] WO 03020995 A1 20030313 - SANDVIK AB [SE]
[A] WO 03020994 A1 20030313 - SANDVIK AB [SE]
[A] WO 03080886 A1 20031002 - PARK YONG-SOO [KR], et al
[A] WO 02088411 A1 20021107 - RES INST IND SCIENCE & TECH [KR], et al
See references of WO 2008054300A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

WO 2008054300 A1 20080508; WO 2008054300 A9 20090611; BR PI0717944 A2 20131203; CA 2667436 A1 20080508; CN 101558180 A 20091014; EA 014812 B1 20110228; EA 200970433 A1 20091030; EP 2082073 A1 20090729; EP 2082073 A4 20110629; JP 2010508439 A 20100318; KR 20090078813 A 20090720; MX 2009004535 A 20090520; SE 0602287 L 20080501; SE 530711 C2 20080819; UA 93587 C2 20110225; US 2010316522 A1 20101216

DOCDB simple family (application)

SE 2007050694 W 20071002; BR PI0717944 A 20071002; CA 2667436 A 20071002; CN 200780040771 A 20071002; EA 200970433 A 20071002; EP 07835279 A 20071002; JP 2009534543 A 20071002; KR 20097008892 A 20071002; MX 2009004535 A 20071002; SE 0602287 A 20061030; UA A200905389 A 20071002; US 44768907 A 20071002