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1. (WO2010116936) METHOD FOR TREATING STEEL FOR DIRECTIONAL ELECTROMAGNETIC STEEL PLATE AND METHOD FOR PRODUCING DIRECTIONAL ELECTROMAGNETIC STEEL PLATE
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2010/116936    International Application No.:    PCT/JP2010/055853
Publication Date: 14.10.2010 International Filing Date: 31.03.2010
IPC:
C21D 8/12 (2006.01), B22D 11/124 (2006.01), C21D 9/00 (2006.01), H01F 1/16 (2006.01), B21B 3/02 (2006.01), C22C 38/00 (2006.01), C22C 38/60 (2006.01)
Applicants: NIPPON STEEL CORPORATION [JP/JP]; 6-1, MARUNOUCHI 2-CHOME, CHIYODA-KU, Tokyo 1008071 (JP) (For All Designated States Except US).
KUMANO, Tomoji [JP/JP]; (JP) (For US Only).
YAMAMOTO, Norihiro [JP/JP]; (JP) (For US Only).
USHIGAMI, Yoshiyuki [JP/JP]; (JP) (For US Only).
NAKAMURA, Shuichi [JP/JP]; (JP) (For US Only)
Inventors: KUMANO, Tomoji; (JP).
YAMAMOTO, Norihiro; (JP).
USHIGAMI, Yoshiyuki; (JP).
NAKAMURA, Shuichi; (JP)
Agent: KOKUBUN, Takayoshi; 5th Floor, NBF Ikebukuro City Building, 17-8, Higashi-Ikebukuro 1-chome, Toshima-ku, Tokyo 1700013 (JP)
Priority Data:
2009-092439 06.04.2009 JP
Title (EN) METHOD FOR TREATING STEEL FOR DIRECTIONAL ELECTROMAGNETIC STEEL PLATE AND METHOD FOR PRODUCING DIRECTIONAL ELECTROMAGNETIC STEEL PLATE
(FR) PROCÉDÉ DE TRAITEMENT DE L'ACIER PERMETTANT D'OBTENIR UNE PLAQUE D'ACIER ÉLECTROMAGNÉTIQUE DIRECTIONNELLE ET PROCÉDÉ DE PRODUCTION D'UNE TÔLE D'ACIER ÉLECTROMAGNÉTIQUE DIRECTIONNELLE
(JA) 方向性電磁鋼板用鋼の処理方法及び方向性電磁鋼板の製造方法
Abstract: front page image
(EN)The surface temperature of a slab is reduced so as not to exceed 600°C from the start of the continuous casting (step S2) to the start of the slab reheating (step S3). The surface temperature of the slab is maintained at a temperature of at least 150°C from the start of continuous casting (step S2) to the start of slab reheating (S3). The surface temperature of the slab during slab reheating (step S3) is maintained between 1080°C and 1200°C.
(FR)La température de surface d'une brame est réduite de façon à ne pas dépasser 600 °C entre le début de la coulée continue (étape S2) et le début du réchauffage de la brame (étape S3). La température de surface de la brame est maintenue à une température d'au moins 150 °C entre le début de la coulée continue (étape S2) et le début du réchauffage de la brame (S3). La température de surface de la brame pendant le réchauffage de la brame (étape S3) est maintenue entre 1080 °C et 1200 °C.
(JA) 連続鋳造(ステップS2)の開始からスラブ再加熱(ステップS3)の開始までの間に、スラブの表面温度を600℃以下まで低下させる。連続鋳造(ステップS2)の開始からスラブ再加熱(ステップS3)の開始までの間、スラブの表面温度を150℃以上に保持する。スラブ再加熱(ステップS3)におけるスラブの表面温度を1080℃以上1200℃以下とする。
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 (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, 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)