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1. (WO2018008674) MARTENSITIC STAINLESS STEEL FOR FUEL INJECTION MEMBER AND FUEL INJECTION MEMBER USING SAME
Latest bibliographic data on file with the International BureauSubmit observation

Pub. No.: WO/2018/008674 International Application No.: PCT/JP2017/024615
Publication Date: 11.01.2018 International Filing Date: 05.07.2017
IPC:
C22C 38/00 (2006.01) ,C22C 38/54 (2006.01)
C CHEMISTRY; METALLURGY
22
METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
C
ALLOYS
38
Ferrous alloys, e.g. steel alloys
C CHEMISTRY; METALLURGY
22
METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
C
ALLOYS
38
Ferrous alloys, e.g. steel alloys
18
containing chromium
40
with nickel
54
with boron
Applicants:
日立金属株式会社 HITACHI METALS,LTD. [JP/JP]; 東京都港区港南一丁目2番70号 2-70, Konan 1-chome, Minato-ku, Tokyo 1088224, JP
Inventors:
上原 利弘 UEHARA, Toshihiro; JP
都地 昭宏 TOJI, Akihiro; JP
Priority Data:
2016-13397006.07.2016JP
2017-04042503.03.2017JP
Title (EN) MARTENSITIC STAINLESS STEEL FOR FUEL INJECTION MEMBER AND FUEL INJECTION MEMBER USING SAME
(FR) ACIER INOXYDABLE MARTENSITIQUE POUR ÉLÉMENT D'INJECTION DE CARBURANT ET ÉLÉMENT D'INJECTION DE CARBURANT L'UTILISANT
(JA) 燃料噴射部材用マルテンサイト系ステンレス鋼及びそれを用いた燃料噴射部材
Abstract:
(EN) Provided are: a martensitic stainless steel for a fuel injection member, the martensitic stainless steel being suitable for use as a fuel injection member or the like of an automobile engine; and a fuel injection member using said martensitic stainless steel. This martensitic stainless steel for a fuel injection member contains, in mass%, at least 0.35% and less than 0.50% of C, more than 0.20% and at most 0.40% of Si, 0.2-0.4% of Mn, 0.25% or less of Ni, 15.0-17.0% of Cr, more than 2.0% and at most 3.0% of Mo, 0.1-0.3% of W, 0.001-0.003% of B, and at least 0.15% and less than 0.20% of N, with the remainder comprising Fe and inevitable impurities, which include 0-0.025% of P, 0-0.005% of S, 0-0.2% of Cu, 0-0.05% of Al, 0-0.02% of Ti, 0-0.02% of Nb, 0-0.15% of V, 0-0.003% of O, and 0-0.001% of H.
(FR) Cette invention concerne un acier inoxydable martensitique pour un élément d'injection de carburant, l'acier inoxydable martensitique étant approprié pour être utilisé en tant qu'élément d'injection de carburant ou similaire d'un moteur d'automobile ; et un élément d'injection de carburant utilisant ledit acier inoxydable martensitique. Ledit acier inoxydable martensitique pour un élément d'injection de carburant contient, en % en masse, au moins 0,35 % et moins de 0,50 % de C, plus de 0,20 % et au plus 0,40 % de Si, 0,2 à 0,4 % de Mn, 0,25 % ou moins de Ni, 15,0 à 17,0 % de Cr, plus de 2,0 % et au plus 3,0 % de Mo, 0,1 à 0,3 % de W, 0,001 à 0,003 % de B, et au moins 0,15 % et moins de 0,20 % de N, le reste étant du Fe et les inévitables impuretés, qui comprennent 0 à 0,025 % de P, 0 à 0,005 % de S, 0 à 0,2 % de Cu, 0 à 0,05 % d'Al, 0 à 0,02 % de Ti, 0 à 0,02 % de Nb, 0 à 0,15 % de V, 0 à 0,003 % d'O, et 0 à 0,001 % de H.
(JA) 自動車エンジンの燃料噴射部材等に用いるのに適した燃料噴射部材用マルテンサイト系ステンレス鋼及びそれを用いた燃料噴射部材を提供する。 質量%でC:0.35%以上0.50%未満、Si:0.20%を超え0.40%以下、Mn:0.2~0.4%、Ni:0.25%以下、Cr:15.0~17.0%、Mo:2.0%を超え3.0%以下、W:0.1~0.3%、B:0.001~0.003%、N:0.15%以上0.20%未満を含有し、残部Fe及び不可避不純物からなり、不可避的不純物元素として、P:0~0.025%、S:0~0.005%、Cu:0~0.2%、Al:0~0.05%、Ti:0~0.02%、Nb:0~0.02%、V:0~0.15%、O:0~0.003%、H:0~0.001%とした燃料噴射部材用マルテンサ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, JO, 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 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: Japanese (JA)
Filing Language: Japanese (JA)
Also published as:
DE112017003393US20190211429