Global Patent Index - EP 1297192 B1

EP 1297192 B1 20100901 - STEEL COMPOSITIONS, METHOD FOR OBTAINING SAME AND PARTS MADE FROM SAME

Title (en)

STEEL COMPOSITIONS, METHOD FOR OBTAINING SAME AND PARTS MADE FROM SAME

Title (de)

STAHLZUSAMMENSETZUNGEN, VERFAHREN ZU IHRER HERSTELLUNG UND DARAUS HERGESTELLTE FORMTEILE

Title (fr)

COMPOSITIONS D'ACIER, PROCEDE POUR SON OBTENTION ET PIECES FABRIQUEES A PARTIR DE CES COMPOSITIONS

Publication

EP 1297192 B1 20100901 (FR)

Application

EP 01949617 A 20010703

Priority

  • FR 0102121 W 20010703
  • FR 0008698 A 20000704

Abstract (en)

[origin: WO0202830A1] The invention concerns steel compositions comprising expressed in weight percentages: C 0.30-1.00 %; Si 3.00-4-50 %; Mn 7.00-10.00 %; Ni 3.50-4.50 %; Cr 20.00-27.00 %; W 0.50-4.50 %; Nb 0-2.50 %; Co 0-1.00 % N 0.20-0.50 %, the rest mainly consisting of iron and unavoidable impurities. The invention also concerns a method for obtaining same and parts made from said compositions.

IPC 8 full level

C21D 6/00 (2006.01); C22C 38/00 (2006.01); C22C 38/34 (2006.01); C22C 38/44 (2006.01); C22C 38/52 (2006.01); C22C 38/58 (2006.01)

CPC (source: EP)

C21D 6/004 (2013.01); C22C 38/001 (2013.01); C22C 38/34 (2013.01); C22C 38/44 (2013.01); C22C 38/52 (2013.01); C22C 38/58 (2013.01); C21D 2211/004 (2013.01)

Designated contracting state (EPC)

BE CH DE ES GB LI SE

DOCDB simple family (publication)

WO 0202830 A1 20020110; AU 7074101 A 20020114; DE 60142968 D1 20101014; EP 1297192 A1 20030402; EP 1297192 B1 20100901; ES 2349399 T3 20110103; FR 2811336 A1 20020111; FR 2811336 B1 20020830

DOCDB simple family (application)

FR 0102121 W 20010703; AU 7074101 A 20010703; DE 60142968 T 20010703; EP 01949617 A 20010703; ES 01949617 T 20010703; FR 0008698 A 20000704