Global Patent Index - EP 1357199 B1

EP 1357199 B1 20051214 - Precipitation-hardened soft magnetic ferritic stainless steel

Title (en)

Precipitation-hardened soft magnetic ferritic stainless steel

Title (de)

Ausscheidungsgehärteter weichmagnetischer rostfreier ferritischer Stahl

Title (fr)

Acier ferritique inoxydable magnétique doux à durcissement par précipitation

Publication

EP 1357199 B1 20051214 (EN)

Application

EP 02256007 A 20020829

Priority

JP 2002111568 A 20020415

Abstract (en)

[origin: EP1357199A1] A precipitation-hardened soft magnetic ferritic stainless steel comprises C: not more than 0.2 mass%, Si: 0.01-3.0 mass%, Mn: not more than 0.5 mass%, S: not more than 0.3 mass%, Cr: 12.0-19.0 mass%, Ni: 1.0-4.0 mass% and Al: 0.2-4.0 mass% and further contains at least one of Ti: less than 0.5 mass% and Zr: less than 0.3 mass% and the remainder being inevitable impurities and Fe, and has substantially a microstructure of a ferrite phase after a solution treatment and an aging treatment.

IPC 1-7

C22C 38/28; C22C 38/40

IPC 8 full level

C22C 38/00 (2006.01); C22C 38/06 (2006.01); C22C 38/34 (2006.01); C22C 38/50 (2006.01); C22C 38/54 (2006.01); C22C 38/60 (2006.01); C21D 6/02 (2006.01); C21D 8/00 (2006.01)

CPC (source: EP US)

C22C 38/06 (2013.01 - EP US); C22C 38/34 (2013.01 - EP US); C22C 38/50 (2013.01 - EP US); C22C 38/60 (2013.01 - EP US); C21D 6/02 (2013.01 - EP US); C21D 8/005 (2013.01 - EP US); C21D 2211/005 (2013.01 - EP US)

Designated contracting state (EPC)

DE ES FR GB IT

DOCDB simple family (publication)

EP 1357199 A1 20031029; EP 1357199 B1 20051214; DE 60207983 D1 20060119; DE 60207983 T2 20060824; JP 2003301245 A 20031024; JP 3550132 B2 20040804; US 2003192626 A1 20031016

DOCDB simple family (application)

EP 02256007 A 20020829; DE 60207983 T 20020829; JP 2002111568 A 20020415; US 22970902 A 20020828