EP 1563105 B1 20080102 - METHOD FOR MAKING AN ABRASION RESISTANT STEEL PLATE AND PLATE OBTAINED
Title (en)
METHOD FOR MAKING AN ABRASION RESISTANT STEEL PLATE AND PLATE OBTAINED
Title (de)
VERFAHREN ZUM HERSTELLEN EINES ABRIEBFESTEN STAHLBLECHS UND SO HERGESTELLTES STAHLBLECH
Title (fr)
PROCEDE POUR FABRIQUER UNE TOLE EN ACIER RESISTANT A L'ABRASION ET TOLE OBTENUE
Publication
Application
Priority
- FR 0303358 W 20031113
- FR 0214426 A 20021119
Abstract (en)
[origin: FR2847272A1] The fabrication of a steel component or sheet resistant to abrasion consists of subjecting the sheet to a heat treatment in the hot forming operation or after austenitization by reheating in a furnace, for realizing the hardening, one: (a) cools at a medium cooling rate of greater than 0.5 degrees C/s between a temperature greater than Ac3 and a temperature between T and T-50; (b) then cools at a core medium cooling rate Vr less than 1150 x ep power minus 1.7 and greater than 0.1 degrees C/s between the temperature T and 100 degrees C, ep being the thickness of the sheet in mm; (c) cools to ambient temperature and possibly effects a planishing operation. The temperature T is defined as being T = 800 - 270 x C asterisk - 90 x Mn - 37 x Ni - 70 x Cr - 83 x (Mo + W/2).
IPC 8 full level
C21D 1/19 (2006.01); C22C 38/02 (2006.01); C22C 38/14 (2006.01); C22C 38/44 (2006.01); C22C 38/50 (2006.01); C22C 38/58 (2006.01); C21D 9/46 (2006.01)
CPC (source: EP KR US)
C21D 1/19 (2013.01 - EP KR US); C22C 38/02 (2013.01 - EP US); C22C 38/14 (2013.01 - KR); C22C 38/44 (2013.01 - EP US); C22C 38/50 (2013.01 - EP US); C22C 38/58 (2013.01 - EP US); C21D 9/46 (2013.01 - EP US); C21D 2211/001 (2013.01 - EP US); C21D 2211/002 (2013.01 - EP US); C21D 2211/008 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
DOCDB simple family (publication)
US 2006162826 A1 20060727; US 7713362 B2 20100511; AR 042073 A1 20050608; AT E382716 T1 20080115; AU 2003295014 A1 20040618; AU 2003295014 B2 20090312; BR 0315693 A 20050920; BR 0315693 B1 20110628; CA 2506349 A1 20040610; CA 2506349 C 20120424; CN 100348738 C 20071114; CN 1714159 A 20051228; DE 60318478 D1 20080214; DE 60318478 T2 20081211; EP 1563105 A1 20050817; EP 1563105 B1 20080102; ES 2298605 T3 20080516; FR 2847272 A1 20040521; FR 2847272 B1 20041224; JP 2006506527 A 20060223; JP 4535876 B2 20100901; KR 101010571 B1 20110125; KR 20050083903 A 20050826; PE 20040484 A1 20040818; PL 202086 B1 20090529; PL 375543 A1 20051128; RU 2005119205 A 20060510; RU 2326179 C2 20080610; UA 78624 C2 20070410; WO 2004048619 A1 20040610; WO 2004048619 A8 20050526; ZA 200504150 B 20060927
DOCDB simple family (application)
US 53530503 A 20031113; AR P030104259 A 20031118; AT 03786006 T 20031113; AU 2003295014 A 20031113; BR 0315693 A 20031113; CA 2506349 A 20031113; CN 200380103628 A 20031113; DE 60318478 T 20031113; EP 03786006 A 20031113; ES 03786006 T 20031113; FR 0214426 A 20021119; FR 0303358 W 20031113; JP 2004554594 A 20031113; KR 20057009055 A 20031113; PE 2003001167 A 20031118; PL 37554303 A 20031113; RU 2005119205 A 20031113; UA 2005005980 A 20031113; ZA 200504150 A 20050523