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1. (WO2015039763) STEEL FOR HOT FORMING
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2015/039763    International Application No.:    PCT/EP2014/002552
Publication Date: 26.03.2015 International Filing Date: 19.09.2014
Chapter 2 Demand Filed:    17.07.2015    
IPC:
B21D 37/16 (2006.01), C21D 8/02 (2006.01), C21D 9/46 (2006.01), C22C 30/00 (2006.01), C22C 38/00 (2006.01), C22C 38/02 (2006.01), C22C 38/04 (2006.01), C22C 38/06 (2006.01), C22C 38/38 (2006.01)
Applicants: TATA STEEL IJMUIDEN B.V. [NL/NL]; P.O. Box 10000 NL-1970 CA IJmuiden (NL)
Inventors: HANLON, David, Neal; (NL).
BOHEMEN, Stefanus, Matheus, Cornelis van; (NL)
Agent: KRUIT, Jan; Tata Steel Nederland Technology B.V. Group Intellectual Property Services - 3G.37 P.O. Box 10000 NL-1970 CA Ijmuiden (NL)
Priority Data:
13004573.5 19.09.2013 EP
14162308.2 28.03.2014 EP
Title (EN) STEEL FOR HOT FORMING
(FR) ACIER POUR LE FORMAGE À CHAUD
Abstract: front page image
(EN)The invention relates to a steel for hot forming. According to the invention the steel for hot forming has the following composition weight%: C: 0.10 - 0.25, Mn: 1.4 - 2.6, Si:≤0.4, Cr: < 1.0, Al: < 1.5, P < 0.02, s < 0.005, N ≤ 0.03, B < 0.0004, 0 : < 0.008 and optionally: Ti : < 0.3, Mo: < 0.5, Nb: < 0.3, V:≤ 0.5, Ca: < 0.05, the remainder being iron and unavoidable impurities. The invention also relates to a strip, sheet or blank produced with such a steel, method for producing a hot formed product, such a product and the use thereof.
(FR)Cette invention concerne un acier pour le formage à chaud, ledit acier ayant la composition suivante en % en poids : C : 0,10 - 0,25, Mn : 1,4 - 2,6, Si : ≤ 0,4, Cr : < 1,0, Al : < 1,5, P < 0,02, s < 0,005, N ≤ 0,03, B < 0,0004, O : < 0,008 et éventuellement : Ti : < 0,3, Mo : < 0,5, Nb : < 0,3, V :≤ 0,5, Ca : < 0,05, le reste étant du fer et d'inévitables impuretés. Une bande, une feuille ou une ébauche produite à partir de cet acier, un procédé de production d'un produit formé à chaud, ledit produit et son utilisation sont en outre décrits.
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, 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, 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: English (EN)
Filing Language: English (EN)