Global Patent Index - EP 0773306 B1

EP 0773306 B1 2000-12-20 - Stainless ferritic steel, suitable for producing steel wool

Title (en)

Stainless ferritic steel, suitable for producing steel wool

Title (de)

Rostfreier ferritischer Stahl, verwendbar zur Herstellung von Stahlwolle

Title (fr)

Acier inoxydable ferritique utilisable pour la production de laine d'acier

Publication

EP 0773306 B1 (FR)

Application

EP 96402088 A

Priority

FR 9512976 A

Abstract (en)

[origin: EP0773306A1] Ferritic stainless steel for making wire wool comprises 11-30 wt.% chromium, up to the following levels of other elements - 0.2% carbon, 2% silicon, 2% manganese, 1% nickel and 0.030% sulphur and also at least 0.0015% calcium and at least 0.0040% oxygen, the ratio of Ca to O being in the range 0.2-0.7. Also claimed are wire made by drawing the steel and wire wool made by shaving the wires.

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

C22C 38/18; B23P 17/06; C22C 38/60

IPC 8 full level (invention and additional information)

C22C 38/18 (2006.01); C22C 38/60 (2006.01)

CPC (invention and additional information)

C22C 38/60 (2013.01); C22C 38/18 (2013.01); Y10T 428/12431 (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 0773306 A1 19970514; EP 0773306 B1 20001220; AT 198221 T 20010115; CA 2188505 A1 19970504; CA 2188505 C 20031209; CN 1066206 C 20010523; CN 1161381 A 19971008; DE 69611277 D1 20010125; DE 69611277 T2 20010712; ES 2153943 T3 20010316; FR 2740783 A1 19970509; FR 2740783 B1 19980306; US 5795411 A 19980818

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