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1. (WO2017171049) WELDED STRUCTURAL MEMBER
Latest bibliographic data on file with the International Bureau    Submit observation

Pub. No.: WO/2017/171049 International Application No.: PCT/JP2017/013734
Publication Date: 05.10.2017 International Filing Date: 31.03.2017
IPC:
B23K 35/30 (2006.01) ,B23K 9/23 (2006.01) ,C22C 19/05 (2006.01) ,C22C 38/00 (2006.01) ,C22C 38/58 (2006.01)
B PERFORMING OPERATIONS; TRANSPORTING
23
MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
K
SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
35
Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
22
characterised by the composition or nature of the material
24
Selection of soldering or welding materials proper
30
with the principal constituent melting at less than 1550°C
B PERFORMING OPERATIONS; TRANSPORTING
23
MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
K
SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
9
Arc welding or cutting
23
taking account of the properties of the materials to be welded
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
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
58
with more than 1.5% by weight of manganese
Applicants:
新日鐵住金株式会社 NIPPON STEEL & SUMITOMO METAL CORPORATION [JP/JP]; 東京都千代田区丸の内二丁目6番1号 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071, JP
Inventors:
相良 雅之 SAGARA, Masayuki; JP
小薄 孝裕 OSUKI, Takahiro; JP
栗原 伸之佑 KURIHARA, Shinnosuke; JP
Agent:
特許業務法人ブライタス BRIGHTAS IP ATTORNEYS; 大阪府大阪市北区曽根崎2丁目5番10号 2-5-10, Sonezaki, Kita-ku, Osaka-shi, Osaka 5300057, JP
Priority Data:
2016-07216131.03.2016JP
Title (EN) WELDED STRUCTURAL MEMBER
(FR) ÉLÉMENT STRUCTUREL SOUDÉ
(JA) 溶接構造部材
Abstract:
(EN) A welded structural member that has superior corrosion resistance in an environment in which highly concentrated sulfuric acid condenses. By mass%, the chemical composition of a parent material of said welded structural member is C≤0.05%, Si≤1.0%, Mn≤2.0%, P≤0.04%, S≤0.01%, 12.0%≤Ni≤27.0%, 15.0%≤Cr<20.0%, 3.0%
(FR) L'invention concerne un élément structurel soudé qui a une meilleure résistance à la corrosion dans un environnement dans lequel l'acide sulfurique hautement concentré se condense. En % en masse, la composition chimique d'un matériau parent dudit élément structurel soudé est C ≤ 0,05 %, Si ≤ 1,0 %, Mn ≤ 2,0 %, P ≤ 0,04 %, S ≤ 0,01 %, 12,0 % ≤ Ni ≤ 27,0 %, 15,0 % ≤ Cr < 20,0 %, 3,0 % < Cu ≤ 8,0 %, 2,0 % < Mo ≤ 5,0 %, Nb ≤ 1,0 %, Ti ≤ 0,5 %, Co ≤ 0,5 %, Sn ≤ 0,1 %, W ≤ 5,0 %, Zr ≤ 1,0 %, Al ≤ 0,5 %, N < 0,05 %, Ca ≤ 0,01 %, B ≤ 0,01 % et REM ≤ 0,01 %, le reste étant Fe et des impuretés inévitables. En % en masse, la composition chimique d'un métal de soudage dudit élément structurel soudé est C ≤ 0,10 %, Si ≤ 0,50 %, Mn ≤ 3,5 %, P ≤ 0,03 %, S ≤ 0,03 %, Cu ≤ 0,50 %, 51,0 % ≤ Ni ≤ 80,0 %, 14,5 % ≤ Cr ≤ 23,0 %, Mo ≤ 0,10 %, Al ≤ 0,40 %, Ti + Nb + Ta ≤ 4,90 %, Co ≤ 2,5 %, V ≤ 0,35 % et W ≤ 4,5 %, le reste étant Fe et des impuretés inévitables.
(JA) 母材の化学組成が、質量%で、C≦0.05%、Si≦1.0%、Mn≦2.0%、P≦0.04%、S≦0.01%、Ni:12.0~27.0%、Cr:15.0%以上20.0%未満、Cu:3.0%を超えて8.0%以下、Mo:2.0%を超えて5.0%以下、Nb≦1.0%、Ti≦0.5%、Co≦0.5%、Sn≦0.1%、 W≦5.0%、Zr≦1.0%、Al≦0.5%、N<0.05%、Ca≦0.01%、B≦0.01%、REM≦0.01%、残部:Feおよび不可避不純物であり、溶接金属の化学組成が、質量%で、C≦0.10%、Si≦0.50%、Mn≦3.5%、P≦0.03%、S≦0.03%、Cu≦0.50%、Ni:51.0~80.0%、Cr:14.5~23.0%、Mo≦0.10%、Al≦0.40%、Ti+Nb+Ta≦4.90%、Co≦2.5%、V≦0.35%、W≦4.5%、残部:Feおよび不可避不純物である、高濃度の硫酸が凝結する環境での耐食性に優れる溶接構造部材。
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)