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1. (WO2017146114) HIGH-STRENGTH AND HIGH-CORROSION-RESISTANT NI-BASED ALLOY HAVING EXCELLENT HOT FORGEABILITY
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2017/146114 International Application No.: PCT/JP2017/006655
Publication Date: 31.08.2017 International Filing Date: 22.02.2017
IPC:
C22C 19/05 (2006.01)
C CHEMISTRY; METALLURGY
22
METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
C
ALLOYS
19
Alloys based on nickel or cobalt
03
based on nickel
05
with chromium
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:
菅原 克生 SUGAHARA, Katsuo; JP
Agent:
奥山 尚一 OKUYAMA, Shoichi; JP
有原 幸一 ARIHARA, Koichi; JP
松島 鉄男 MATSUSHIMA, Tetsuo; JP
Priority Data:
2016-03266024.02.2016JP
Title (EN) HIGH-STRENGTH AND HIGH-CORROSION-RESISTANT NI-BASED ALLOY HAVING EXCELLENT HOT FORGEABILITY
(FR) ALLIAGE À BASE DE NI À HAUTE RÉSISTANCE ET HAUTES PROPRIÉTÉS ANTICORROSIVES DOTÉ D'UNE EXCELLENTE APTITUDE AU FORGEAGE À CHAUD
(JA) 熱間鍛造性に優れた高強度高耐食性Ni基合金
Abstract:
(EN) Provided is a high-strength and high-corrosion-resistant Ni-based alloy having excellent hot forgeability, which is suitable for a member for oil drilling. The high-strength and high-corrosion-resistant Ni-based alloy having excellent hot forgeability, which is suitable for a member for oil drilling, contains, in mass%, 42.1-45.5% of Cr, 0.5-2.5% of Nb, 1.2-2.0% of Ti, 0.0001-0.0090% of Mg, 0.001-0.040% of N, 0.01-0.50% of Mn, 0.001-0.050% of Si, 0.01-1.00% of Fe, 0.01%-2.50% of Co, not less than 0.001% but less than 0.500% of Cu, 0.001-0.050% of Al, not less than 0.005% but less than 0.100% of V, 0.0001-0.0100% of B, and 0.001-0.050% of Zr, the balance being Ni and incidental impurities, and preferably further contains any of 0.1-1.5% of Mo, 0.1-1.5% of W, not less than 0.001% but less than 0.050% of Ca, and not less than 0.001% but less than 0.050% of Ta.
(FR) L'invention fournit un alliage à base de Ni à haute résistance et hautes propriétés anticorrosives qui est doté d'une excellente aptitude au forgeage à chaud, et qui est adéquate en tant qu'élément pour forage pétrolier. Plus précisément, l'invention concerne un alliage à base de Ni à haute résistance et hautes propriétés anticorrosives doté d'une excellente aptitude au forgeage à chaud et adéquate en tant qu'élément pour forage pétrolier qui comprend, en % en masse, Cr:42,1~45,5%, Nb:0,5~2,5%, Ti:1,2~2,0%, Mg:0,0001~0,0090%, N:0,001~0,040%, Mn:0,01~0,50%, Si:0,001~0,050%, Fe:0,01~1,00%, Co:0,01%~2,50%, Cu:0,001% ou plus et moins de 0,500%, Al:0,001~0,050%, V:0,005% ou plus et moins de 0,100%, B:0,0001~0,0100%, et Zr:0,001~0,050%, le reste étant constitué de Ni et des impuretés inévitables, et qui de préférence comprend, en outre, un des éléments suivants Mo:0,1~1,5%, W:0,1~1,5%, Ca:0,001% ou plus et moins de 0,050%, et Ta:0,001% ou plus et moins de 0,050%.
(JA) 熱間鍛造性に優れた高強度高耐食性Ni基合金であって、石油掘削用部材として好適なNi基合金を提供すること。質量%で、Cr:42.1~45.5%、Nb:0.5~2.5%、Ti:1.2~2.0%、Mg:0.0001~0.0090%、N:0.001~0.040%、Mn:0.01~0.50%、Si:0.001~0.050%、Fe:0.01~1.00%、Co:0.01%~2.50%、Cu:0.001%以上0.500%未満、Al:0.001~0.050%、V:0.005%以上0.100%未満、B:0.0001~0.0100%、Zr:0.001~0.050%を含有し、残りがNiおよび不可避不純物からなり、好ましくは、Mo:0.1~1.5%、W:0.1~1.5%、Ca:0.001%以上0.050%未満、Ta:0.001%以上0.050%未満のうちのいずれかをさらに含有する、石油掘削用部材として好適な熱間鍛造性に優れた高強度高耐食性Ni基合金。
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, 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:
SG11201805964XCN108699635US20190017151