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1. (WO2011152381) HOT DIPPED ALUMINUM ALLOY COATED STEEL MATERIAL WITH EXCELLENT CUT EDGE SURFACE CORROSION RESISTANCE AND PROCESSED PART CORROSION RESISTANCE, AND METHOD FOR PRODUCING SAME
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2011/152381    International Application No.:    PCT/JP2011/062448
Publication Date: 08.12.2011 International Filing Date: 31.05.2011
IPC:
C23C 2/12 (2006.01), C22C 21/00 (2006.01), C22C 38/00 (2006.01), C23C 2/28 (2006.01)
Applicants: NIPPON STEEL & SUMITOMO METAL CORPORATION [JP/JP]; 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071 (JP) (For All Designated States Except US).
NOSE Koichi [JP/JP]; (JP) (For US Only).
MORIMOTO Yasuhide [JP/JP]; (JP) (For US Only).
TOKUDA Kohei [JP/JP]; (JP) (For US Only)
Inventors: NOSE Koichi; (JP).
MORIMOTO Yasuhide; (JP).
TOKUDA Kohei; (JP)
Agent: SHIGA Masatake; 1-9-2, Marunouchi, Chiyoda-ku, Tokyo 1006620 (JP)
Priority Data:
2010-124933 31.05.2010 JP
2010-133087 10.06.2010 JP
Title (EN) HOT DIPPED ALUMINUM ALLOY COATED STEEL MATERIAL WITH EXCELLENT CUT EDGE SURFACE CORROSION RESISTANCE AND PROCESSED PART CORROSION RESISTANCE, AND METHOD FOR PRODUCING SAME
(FR) ACIER REVÊTU D'UN ALLIAGE D'ALUMINIUM PAR IMMERSION À CHAUD AVEC UNE EXCELLENTE RÉSISTANCE À LA CORROSION DES BORDS DE COUPE ET DES PARTIES TRAITÉES, ET SON PROCÉDÉ DE PRODUCTION
(JA) 切断端面耐食性及び加工部耐食性に優れた溶融アルミニウム合金めっき鋼材とその製造方法
Abstract: front page image
(EN)Disclosed is a hot dipped aluminum alloy coated steel material which comprises a base and a coating film. The coating film has a composition that contains, in mass%, 25-75% of Fe, 2-20% of Mg and 0.02-2% of Ca with the balance made up of Al and unavoidable impurities. The coating film contains either or both of an α-Mg phase and an Al3Mg2 phase, and the total of the volume fraction of the α-Mg phase and the volume fraction of the Al3Mg2 phase in the portion from the coating film surface to the depth of 5 μm is 1-40% (inclusive).
(FR)L'invention concerne un acier revêtu d'un alliage d'aluminium par immersion à chaud qui comprend une base et un film de revêtement. Le film de revêtement a une composition qui contient, en pourcentage massique, 25-75 % de Fe, 2-20 % de Mg et 0,02-2 % de Ca, le solde étant de l'aluminium et les inévitables impuretés. Le film de revêtement contient une phase Mg α et/ou une phase Al3Mg2, et le total de la fraction volumique de la phase Mg α et de la fraction volumique de la phase Al3Mg2 sur une épaisseur de 5 µm depuis la surface du film de revêtement représente 1-40 % inclus.
(JA) この溶融アルミニウム合金めっき鋼材は、基材とめっき被膜とを備え、前記めっき被膜の組成が、質量%で、Fe:25~75%、Mg:2~20%、Ca:0.02~2%を含有し、残部がAl及び不可避的不純物であり、前記めっき被膜がα-Mg相、Al3Mg2相のいずれか一方又は両方を含有し、前記めっき被膜の表層から深さ5μmまでの範囲におけるα-Mg相の体積分率と、Al3Mg2相の体積分率との合計が、1%以上40%以下である。
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, 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, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PE, PG, PH, PL, PT, RO, RS, RU, 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, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, 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, ML, MR, NE, SN, TD, TG).
Publication Language: Japanese (JA)
Filing Language: Japanese (JA)