Global Patent Index - EP 0969113 A1

EP 0969113 A1 20000105 - Stainless austenitic steel with low nickel content

Title (en)

Stainless austenitic steel with low nickel content

Title (de)

Rostfreier austenitischer Stahl mit niedrigem Nickelgehalt

Title (fr)

Acier inoxydable austenitique à basse teneur en nickel

Publication

EP 0969113 A1 20000105 (FR)

Application

EP 99401490 A 19990617

Priority

FR 9808427 A 19980702

Abstract (en)

The steel contains (in wt.%): 0.01-0.08 carbon, 0.1-1 silicon, 5-11 manganese, 15-17.5 chromium, 1-4 nickel, 1-4 copper, 1 x 10<-4>-20 x 10<-4> sulfur, 1 x 10<-4>-50 x 10<-4> calcium, 0-0.003 aluminum, 0.005-0.1 phosphorus, 5 x 10<-4> boron, 0.01 oxygen, and iron and unavoidable impurities the remainder. Preferably, the steel contains (in wt.%): 0.01-0.05 carbon, 0.1-1 silicon, 5-11 manganese, 15-17.5 chromium, 1-2 nickel, 2-4 copper, 1 x 10<-4>-10 x 10<-4> sulfur, 1 x 10<-4>-10 x 10<-4> calcium, 0-0.001 aluminum, 0.005-0.1 phosphorus, less than 0.01 oxygen, and iron and unavoidable impurities the remainder. The steel may also include 0.01-2% Mo.

Abstract (fr)

Acier inoxydable austénitique comportant une basse teneur en nickel et résistant à la corrosionprésentant la composition suivante en pourcentages pondéraux: 0,01% < carbone < 0,08%, 0,1 % < silicium < 1%, 5% < manganèse < 11%, 15% < chrome < 17,5%, 1% < nickel < 4%, 1% < cuivre < 4%, 1.10<-4>% < soufre < 20.10<-4>%, 1.10<-4>% < calcium < 50.10<-4>%, 0% < aluminium < 0,03%, 0,005% < phosphore < 0,1%, bore < 5.10<-4>%, oxygène < 0,01%, le reste étant du fer et des impuretés résultant de l'élaboration.

IPC 1-7

C22C 38/58; C22C 38/42

IPC 8 full level

C22C 38/00 (2006.01); C22C 38/42 (2006.01); C22C 38/58 (2006.01)

CPC (source: EP KR US)

C22C 38/42 (2013.01 - EP KR US); C22C 38/58 (2013.01 - EP US)

Citation (search report)

Designated contracting state (EPC)

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

DOCDB simple family (publication)

EP 0969113 A1 20000105; EP 0969113 B1 20021106; AT E227355 T1 20021115; AU 3575799 A 20000120; AU 742519 B2 20020103; BR 9902524 A 20000314; CA 2274634 A1 20000102; CN 1091168 C 20020918; CN 1240839 A 20000112; DE 69903769 D1 20021212; FR 2780735 A1 20000107; FR 2780735 B1 20010622; ID 23569 A 20000504; JP 2000034546 A 20000202; KR 20000011411 A 20000225; TW 452600 B 20010901; US 6274084 B1 20010814; ZA 994321 B 20000110

DOCDB simple family (application)

EP 99401490 A 19990617; AT 99401490 T 19990617; AU 3575799 A 19990618; BR 9902524 A 19990701; CA 2274634 A 19990608; CN 99110134 A 19990702; DE 69903769 T 19990617; FR 9808427 A 19980702; ID 990638 A 19990701; JP 18912499 A 19990702; KR 19990026323 A 19990701; TW 88110284 A 19990621; US 34672399 A 19990702; ZA 994321 A 19990701