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1. (WO2017175839) AUSTENITE STAINLESS STEEL AND PRODUCTION METHOD THEREFOR
Latest bibliographic data on file with the International Bureau    Submit observation

Pub. No.: WO/2017/175839 International Application No.: PCT/JP2017/014414
Publication Date: 12.10.2017 International Filing Date: 06.04.2017
IPC:
C22C 38/00 (2006.01) ,B23K 35/30 (2006.01) ,C21D 6/00 (2006.01) ,C21D 8/00 (2006.01) ,C21D 8/02 (2006.01) ,C21D 8/06 (2006.01) ,C21D 8/10 (2006.01) ,C21D 9/08 (2006.01) ,C22C 38/60 (2006.01)
Applicants: NIPPON STEEL & SUMITOMO METAL CORPORATION[JP/JP]; 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071, JP
Inventors: SETO, Masahiro; JP
SAGARA, Masayuki; JP
YAMADA, Kenta; JP
OSUKI, Takahiro; JP
Agent: BRIGHTAS IP ATTORNEYS; 2-5-10, Sonezaki, Kita-ku, Osaka-shi, Osaka 5300057, JP
Priority Data:
2016-07640106.04.2016JP
Title (EN) AUSTENITE STAINLESS STEEL AND PRODUCTION METHOD THEREFOR
(FR) ACIER INOXYDABLE AUSTÉNITIQUE ET PROCÉDÉ POUR LE FABRIQUER
(JA) オーステナイト系ステンレス鋼およびその製造方法
Abstract:
(EN) An austenite stainless steel that has a chemical composition containing, in mass%, 0.015% or less of C, 1.00% or less of Si, 2.00% or less of Mn, 0.05% or less of P, 0.030% or less of S, not less than 16.0% but less than 22.0% of Cr, 11.0-16.0% of Ni, 2.5-5.0% of Mo, not less than 0.07% but less than 0.15% of N, 0.20-0.50% of Nb, 0.005-0.040% of Al, 0-0.080% of Sn, 0-0.0060% of Zn, and 0-0.030% of Pb, the remaining portion being Fe and impurities, and that satisfies [MoSS/Mo ≥ 0.98] (MoSS: amount of Mo solids dissolved in Mo steel).
(FR) L'invention concerne un acier inoxydable austénitique qui a une composition chimique contenant, en pourcentage en masse, 0,015 % ou moins de C, 1,00 % ou moins de Si, 2,00 % ou moins de Mn, 0,05 % ou moins de P, 0,030 % ou moins de S, pas moins de 16,0 % mais moins de 22,0 % de Cr, de 11,0 à 16,0 % de Ni, de 2,5 à 5,0 % de Mo, pas moins de 0,07 % mais moins de 0,15 % de N, de 0,20 à 0,50 % de Nb, de 0,005 à 0 040 % d'Al, de 0 à 0,080 % de Sn, de 0 à 0,0060 % de Zn et de 0 à 0,030 % de Pb, le reste étant du Fe et des impuretés, ledit acier satisfaisant à la relation [MoSS/Mo ≥ 0,98], où MoSS est la quantité de solides de Mo solides dissous dans l'acier au Mo.
(JA) 化学組成が、質量%で、C:0.015%以下、Si:1.00%以下、Mn:2.00%以下、P:0.05%以下、S:0.030%以下、Cr:16.0%以上22.0%未満、Ni:11.0~16.0%、Mo:2.5~5.0%、N:0.07%以上0.15%未満、Nb:0.20~0.50%、Al:0.005~0.040%、Sn:0~0.080%、Zn:0~0.0060%、Pb:0~0.030%、残部:Feおよび不純物であり、[MoSS/Mo≧0.98](MoSS:鋼中に固溶しているMo量)を満足する、オーステナイト系ステンレス鋼。
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, KH, 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 (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (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: Japanese (JA)
Filing Language: Japanese (JA)