Global Patent Index - EP 1069202 B1

EP 1069202 B1 20021211 - A paramagnetic, corrosion resistant austenitic steel with high elasticity, strength and toughness and a process for its manufacture

Title (en)

A paramagnetic, corrosion resistant austenitic steel with high elasticity, strength and toughness and a process for its manufacture

Title (de)

Ein paramagnetischer, korrosionsbeständiger, austenitischer Stahl mit hoher Dehngrenze, Festigkeit und Zähigkeit, und Verfahren zu seiner Herstellung

Title (fr)

Acier austenitique, paramagnetique, résistant à la corrosion et possédant une élasticité, une résistance mécanique et une tènacité èlevées, ainsi que son procédé de fabrication

Publication

EP 1069202 B1 20021211 (DE)

Application

EP 00890207 A 20000629

Priority

AT 123299 A 19990715

Abstract (en)

[origin: EP1069202A1] Production of components made of an alloy containing (in wt.%) maximum 0.1 degrees C, 0.21-0.6 silicon, 17.0-24.0 chromium, more than 20 but less than 30 manganese, more than 0.6 but less than 1.4 nitrogen, up to 2.5 nickel, up to 1.9 molybdenum, maximum 0.3 copper, up to 0.002 boron, up to 0.8 group IV and V element, and a balance of iron comprises melting the alloy, casting under atmospheric pressure, deforming at more than 850 degrees C and rapidly cooling, followed by further deforming at less than 600 degrees C and allowing to cool.

IPC 1-7

C22C 38/38; C22C 38/04; C22C 38/58; C21D 8/12

IPC 8 full level

C21D 6/00 (2006.01); C21D 8/12 (2006.01); C22C 38/00 (2006.01); C22C 38/44 (2006.01); C22C 38/58 (2006.01)

CPC (source: EP US)

C21D 6/002 (2013.01 - EP US); C21D 8/1222 (2013.01 - EP US); C21D 8/1227 (2013.01 - EP US); C22C 38/001 (2013.01 - EP US); C22C 38/44 (2013.01 - EP US); C22C 38/58 (2013.01 - EP US)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

DOCDB simple family (publication)

EP 1069202 A1 20010117; EP 1069202 B1 20021211; AT 407882 B 20010725; AT A123299 A 20001115; AT E229575 T1 20021215; CA 2313975 A1 20010115; CA 2313975 C 20050628; DE 50000903 D1 20030123; ES 2187434 T3 20030616; US 6454879 B1 20020924

DOCDB simple family (application)

EP 00890207 A 20000629; AT 00890207 T 20000629; AT 123299 A 19990715; CA 2313975 A 20000714; DE 50000903 T 20000629; ES 00890207 T 20000629; US 61754100 A 20000714