Global Patent Index - EP 0969113 B1

EP 0969113 B1 2002-11-06 - 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 B1 (FR)

Application

EP 99401490 A

Priority

FR 9808427 A

Abstract (en)

[origin: EP0969113A1] 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.

IPC 1-7 (main, further and additional classification)

C22C 38/58; C22C 38/42

IPC 8 full level (invention and additional information)

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

CPC (invention and additional information)

C22C 38/58 (2013.01); C22C 38/42 (2013.01)

Designated contracting state (EPC)

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

EPO simple patent family

EP 0969113 A1 20000105; EP 0969113 B1 20021106; AT 227355 T 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 9904321 B 20000110

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