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1. (WO2017064684) STEEL, PRODUCT CREATED FROM SAID STEEL, AND MANUFACTURING METHOD THEREOF
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2017/064684    International Application No.:    PCT/IB2016/056221
Publication Date: 20.04.2017 International Filing Date: 17.10.2016
IPC:
C22C 38/00 (2006.01), C22C 38/02 (2006.01), C22C 38/06 (2006.01), C22C 38/08 (2006.01), C22C 38/10 (2006.01), C22C 38/12 (2006.01), C22C 38/14 (2006.01), C22C 38/16 (2006.01), C22C 38/18 (2006.01), C21D 9/00 (2006.01), C21D 9/30 (2006.01), C21D 9/46 (2006.01), C22B 9/18 (2006.01), C22B 9/20 (2006.01), C22C 1/02 (2006.01), C22C 30/00 (2006.01)
Applicants: APERAM [LU/LU]; 12C, rue Guillaume Kroll 1882 Luxembourg (LU)
Inventors: PERRIN GUERIN, Valérie; (FR)
Agent: BLOT, Philippe; (FR).
NEYRET, Daniel; (FR).
DOMENEGO, Bertrand; (FR).
HABASQUE, Etienne; (FR).
COLOMBIE, Damien; (FR).
HOLTZ, Béatrice; (FR)
Priority Data:
PCT/IB2015/057939 15.10.2015 IB
Title (EN) STEEL, PRODUCT CREATED FROM SAID STEEL, AND MANUFACTURING METHOD THEREOF
(FR) ACIER, PRODUIT RÉALISÉ EN CET ACIER, ET SON PROCÉDÉ DE FABRICATION
Abstract: front page image
(EN)The invention relates to steel, the composition of which is, in wt%: 10.0% ≤ Ni ≤ 24.5%, 1.0% ≤ Mo ≤ 12.0%, 1.0% ≤ Co ≤ 18.0%, 14.0% ≤ Mo + Co + Si + Mn + Cu + W + V + Nb + Zr + Y + Ta + Cr + C + Al + B + Ti + N ≤ 29.0%, 21.5% ≤ Ni + Co + Mo ≤ 40.0%, traces ≤ Al ≤ 4.0%, traces ≤ Ti ≤ 0.1%, traces ≤ N ≤ 0.010%, traces ≤ Si ≤ 4.0%, traces ≤ Mn ≤ 13.0%, traces ≤ C ≤ 0.03%, traces ≤ S ≤ 0.0020%, traces ≤ P ≤ 0.005%, traces ≤ B ≤ 0.01%, traces ≤ H ≤ 0.0005%, traces ≤ O ≤ 0.03%, traces ≤ Cr ≤ 5.0%, traces ≤ Cu ≤ 4.0%, traces ≤ W ≤ 6.0%, traces ≤ Zr ≤ 4.0%, traces ≤ Ca ≤ 0.1%, traces ≤ Mg ≤ 0.8%, traces ≤ Nb ≤ 4.0%, traces ≤ V ≤ 4.0%, traces ≤ Ta ≤ 4.0%, traces ≤ Y ≤ 4.0%, the remainder being iron and impurities resulting from the production. The inclusion population, observed by image analysis on a polished surface of 650 mm² if the steel is in the form of a hot-formed part or a hot-rolled sheet and 800 mm² if the steel is in the form of a cold-rolled sheet, does not comprise non-metal inclusions of an equivalent diameter greater than 10 μm. The invention also relates to a product created from said steel, such as a metal sheet or strip, and to the manufacturing method thereof.
(FR)Acier, dont la composition est, en pourcentages pondéraux : 10,0% ≤ Ni ≤ 24,5%; 1,0% ≤ Mo ≤ 12,0%; 1,0% ≤ Co ≤ 18,0%; 14,0% ≤ Mo + Co + Si + Mn + Cu + W + V + Nb + Zr + Y + Ta + Cr + C + Al + B + Ti + N ≤ 29,0%; 21,5% ≤ Ni + Co + Mo ≤ 40,0%; traces ≤ Al ≤ 4,0%; traces ≤ Ti ≤ 0,1%; traces ≤ N ≤ 0,010%; traces ≤ Si ≤ 4,0%; traces ≤ Mn ≤ 13,0%; traces ≤ C ≤ 0,03%; traces ≤ S ≤ 0,0020%; traces ≤ P ≤ 0,005%; traces ≤ B ≤ 0,01%; traces ≤ H ≤ 0,0005%; traces ≤ O ≤ 0,03%; traces ≤ Cr ≤ 5,0%; traces ≤ Cu ≤ 4,0%; traces ≤ W ≤ 6,0%; traces ≤ Zr ≤ 4,0%; traces ≤ Ca ≤ 0,1%; traces ≤ Mg ≤ 0,8%; traces ≤ Nb ≤ 4,0%; traces ≤ V ≤ 4,0%; traces ≤ Ta ≤ 4,0%; traces ≤ Y ≤ 4,0%; le reste étant du fer et des impuretés résultant de l'élaboration, et la population inclusionnaire, observée par analyse d'image sur une surface polie de 650 mm² si l'acier est sous forme d'une pièce transformée à chaud ou d'une tôle laminée à chaud, et de 800 mm² si l'acier est sous forme d'une tôle laminée à froid, ne comporte pas d'inclusions non- métalliques de diamètre équivalent supérieur à 10 μm. Produit réalisé en cet acier tel qu'une tôle ou une bande, et son procédé de fabrication.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG).
Publication Language: French (FR)
Filing Language: French (FR)