EP 0796685 B1 19990915 - Process and apparatus for continuously casting a strand of stainless austenitic steel on a moving wall or in between two moving walls whose surfaces are provided with indentations
Title (en)
Process and apparatus for continuously casting a strand of stainless austenitic steel on a moving wall or in between two moving walls whose surfaces are provided with indentations
Title (de)
Verfahren und Vorrichtung zum Stranggiessen von rostfreiem austenitischem Stahl zwischen zwei beweglichen Wänden oder auf einer beweglichen Wand mit Dellen
Title (fr)
Procédé de coulée continue d'une bande d'acier inoxydable austenitique sur une ou entre deux parois mobiles dont les surfaces sont pourvues de fossettes, et installation de coulée pour sa mise en oeuvre
Publication
Application
Priority
FR 9603545 A 19960322
Abstract (en)
[origin: EP0796685A1] Austenitic stainless steel is continuously cast to form a thin band on one or between two moving walls with dimpled surfaces and under a blanket of inert gas of controlled composition which is at least partly soluble in the steel, the dimples being interconnected and having diameters 100-1500, preferably 700-1500 mu m and depth 20-150, preferably 80-120 mu m. The steel comprises (wt.%): 17.0-20.0 chromium, 8.0-10.5 nickel and up to 0.08 carbon, 1 silicon, 2 manganese, 0.045 phosphorous and 0.030 sulphur.The ratio A/B is over 1.55, preferably 1.55-1.70, where A=%Cr+1.37 %molybdenum+1.5 %Si+2 %niobium+3 %titanium and B=%Ni+0.31 %Mn+22 %C+14.2 %nitrogen+%copper. Also claimed is a casting device comprising one or two cooled moving walls having said dimples and with a system for controlling the atmosphere therein.
IPC 1-7
IPC 8 full level
B22D 11/00 (2006.01); B22D 11/04 (2006.01); B22D 11/06 (2006.01); B22D 11/10 (2006.01); B22D 11/106 (2006.01); B22D 11/12 (2006.01); B22D 11/14 (2006.01); C22C 38/00 (2006.01); C22C 38/40 (2006.01); C22C 38/58 (2006.01)
CPC (source: EP US)
B22D 11/0648 (2013.01 - EP US); B22D 11/0697 (2013.01 - EP US); C22C 38/40 (2013.01 - EP US)
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 0796685 A1 19970924; EP 0796685 B1 19990915; AT E184523 T1 19991015; AU 1633697 A 19970925; AU 706394 B2 19990617; BR 9701420 A 19981103; CA 2200543 A1 19970922; CA 2200543 C 20040210; CN 1067306 C 20010620; CN 1162510 A 19971022; CZ 287017 B6 20000816; CZ 85997 A3 19971015; DE 69700505 D1 19991021; DE 69700505 T2 20000531; DK 0796685 T3 20000403; ES 2137040 T3 19991201; FR 2746333 A1 19970926; FR 2746333 B1 19980424; GR 3032051 T3 20000331; JP 3922401 B2 20070530; JP H09253803 A 19970930; MX 9702143 A 19980430; PL 183032 B1 20020531; PL 319109 A1 19970929; RO 119286 B1 20040730; RU 2182858 C2 20020527; SK 282206 B6 20011203; SK 37397 A3 20000410; TR 199700223 A2 19971021; UA 41415 C2 20010917; US 5807444 A 19980915; ZA 972474 B 19971002
DOCDB simple family (application)
EP 97400539 A 19970312; AT 97400539 T 19970312; AU 1633697 A 19970318; BR 9701420 A 19970321; CA 2200543 A 19970320; CN 97104835 A 19970321; CZ 85997 A 19970320; DE 69700505 T 19970312; DK 97400539 T 19970312; ES 97400539 T 19970312; FR 9603545 A 19960322; GR 990403140 T 19991207; JP 8757197 A 19970321; MX 9702143 A 19970320; PL 31910997 A 19970321; RO 9700568 A 19970321; RU 97104488 A 19970321; SK 37397 A 19970320; TR 9700223 A 19970321; UA 97031248 A 19970319; US 81828397 A 19970317; ZA 972474 A 19970320