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Pub. No.:    WO/2009/063690    International Application No.:    PCT/JP2008/066870
Publication Date: 22.05.2009 International Filing Date: 18.09.2008
C22C 38/00 (2006.01), C22C 38/60 (2006.01)
Applicants: KABUSHIKI KAISHA KOBE SEIKO SHO [JP/JP]; 10-26, Wakinohama-cho 2-chome, Chuo-ku, Kobe-shi, Hyogo 6518585 (JP) (For All Designated States Except US).
Nippon Koshuha Steel Co., Ltd. [JP/JP]; 10-5, Iwamoto-cho 1-chome, Chiyoda-ku, Tokyo 1010032 (JP) (For All Designated States Except US).
MURAKAMI, Shogo; (For US Only).
NANBA, Shigenobu; (For US Only).
YAMAMOTO, Kenji; (For US Only).
TONOMURA, Tsuyoshi; (For US Only)
Inventors: MURAKAMI, Shogo; .
NANBA, Shigenobu; .
YAMAMOTO, Kenji; .
TONOMURA, Tsuyoshi;
Agent: OGURI, Shohei; Eikoh Patent Firm, 7-13, Nishi-Shimbashi 1-chome, Minato-ku, Tokyo 1050003 (JP)
Priority Data:
2007-294326 13.11.2007 JP
(JA) 冷間金型用鋼および金型
Abstract: front page image
(EN)Disclosed is a cold-work die steel which comprises the following components (by mass): C: 0.5-0.7%, Si: 0.5-2.0%, Mn: 0.1-2.0%, Cr: 5-7%, Al: 0.01-1.0%, N: 0.003-0.025%, Cu: 0.25-1%, Ni: 0.25-1%, Mo: 0.5-3%, W: 2% or less (including 0%), and S: 0.1% or less (excluding 0%), with the remainder being iron and unavoidable impurities, and which fulfills the requirements represented by the following formulae (1) to (3): (1) [Cr] x [C]≤4; (2) [Al]/[N]: 1-30; and (3) [Mo]+0.5 x [W]: 0.5-3.00% [wherein [ ] means the content (%) of each element].
(FR)L'invention se rapporte à un acier coulé écroui qui comprend les composants suivants (exprimés en masse) : 0,5 à 0,7 % de C, 0,5 à 2,0 % de Si, 0,1 à 2,0 % de Mn, 5 à 7 % de Cr, 0,01 à 1,0 % d'Al, 0,003 à 0,025 % de N, 0,25 à 1 % de Cu, 0,25 à 1 % de Ni, 0,5 à 3 % de Mo, 2 % ou moins de W (y compris 0 %) et 0,1 % ou moins de S (à l'exclusion de 0 %), le reste étant du fer et des impuretés inévitables et qui répond aux exigences représentées par les formules suivantes (1) à (3) : (1) [Cr] x [C]≤4, (2) [Al]/[N]: 1 à 30 et (3) [Mo]+0,5 x [W] : 0,5-3,00 % [dans lesquelles [ ] désigne la teneur en % de chaque élément].
(JA) 本発明は、質量%で、C:0.5~0.7%、Si:0.5~2.0%、Mn:0.1~2.0%、Cr:5~7%、Al:0.01~1.0%、N:0.003~0.025%、Cu:0.25~1%、Ni:0.25~1%、Mo:0.5~3%およびW:2%以下(0%を含む)、並びにS:0.1%以下(0%を含まない)を含有し、残部が鉄および不可避不純物である冷間金型用鋼であって、下記(1)~(3){[ ]は、各元素の含有量(%)を意味する。}(1)[Cr]×[C]≦4、(2)[Al]/[N]:1~30、および(3)[Mo]+0.5×[W]:0.5~3.00% の要件を満足する冷間金型用鋼に関する。
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BR, BW, BY, BZ, CA, CH, 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, 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, PG, PH, PL, PT, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, 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, MT, NL, NO, PL, PT, RO, SE, SI, SK, 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)