Ni-base alloy weld metal, strip electrode, and welding method
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B23K-025/00
B23K-009/18
C22C-019/05
B23K-035/30
출원번호
US-0838703
(2013-03-15)
등록번호
US-9415460
(2016-08-16)
우선권정보
JP-2012-111186 (2012-05-15)
발명자
/ 주소
Kawamoto, Hiraoki
Watanabe, Hirohisa
Sawada, Yushi
출원인 / 주소
Kobe Steel, Ltd.
대리인 / 주소
Oblon, McClelland, Maier & Neustadt, L.L.P
인용정보
피인용 횟수 :
0인용 특허 :
2
초록▼
A weld metal contains Cr: 28.0% to 31.5% by mass, Fe: 7.0% to 11.0% by mass, Nb and Ta: 1.5% to 2.5% by mass in total, C: 0.015% to 0.040% by mass, Mn: 0.5% to 4.0% by mass, N: 0.005% to 0.080% by mass, Si: 0.70% by mass or less (and more than 0%), Al: 0.50% by mass or less, Ti: 0.50% by mass or les
A weld metal contains Cr: 28.0% to 31.5% by mass, Fe: 7.0% to 11.0% by mass, Nb and Ta: 1.5% to 2.5% by mass in total, C: 0.015% to 0.040% by mass, Mn: 0.5% to 4.0% by mass, N: 0.005% to 0.080% by mass, Si: 0.70% by mass or less (and more than 0%), Al: 0.50% by mass or less, Ti: 0.50% by mass or less, Mo: 0.50% by mass or less, Cu: 0.50% by mass or less, B: 0.0010% by mass or less, Zr: 0.0010% by mass or less, Co: 0.10% by mass or less, P: 0.015% by mass or less, and S: 0.015% by mass or less, the remainder being Ni and incidental impurities.
대표청구항▼
1. A Ni-base alloy weld metal, comprising: Cr: 28.0% to 31.5% by mass,Fe: 7.0% to 11.0% by mass,Nb: 0.8% to 2.5% by mass,Nb and Ta: 1.5% to 2.5% by mass in total,C: 0.015% to 0.040% by mass,Mn: 0.5% to 4.0% by mass,N: 0.005% to 0.080% by mass,Si: 0.70% by mass or less excluding 0%,Al: 0.50% by mass
1. A Ni-base alloy weld metal, comprising: Cr: 28.0% to 31.5% by mass,Fe: 7.0% to 11.0% by mass,Nb: 0.8% to 2.5% by mass,Nb and Ta: 1.5% to 2.5% by mass in total,C: 0.015% to 0.040% by mass,Mn: 0.5% to 4.0% by mass,N: 0.005% to 0.080% by mass,Si: 0.70% by mass or less excluding 0%,Al: 0.50% by mass or less,Ti: 0.50% by mass or less,Mo: 0.50% by mass or less,Cu: 0.50% by mass or less,B: less than 0.0005% by mass,Zr: 0.0010% by mass or less,Co: 0.10% by mass or less,P: 0.015% by mass or less,S: 0.015% by mass or less, andthe remainder being Ni and incidental impurities. 2. The Ni-base alloy weld metal according to claim 1, obtained by a process comprising electroslag welding or submerged arc welding using a strip electrode. 3. A strip electrode, comprising: Cr: 28.5% to 32.0% by mass,Fe: 7.0% to 11.0% by mass,Nb: 0.9% to 2.5% by mass,Nb and Ta: 1.5% to 2.5% by mass in total,C: 0.015% to 0.040% by mass,Mn: 0.5% to 4.0% by mass,N: 0.005% to 0.080% by mass,Si: 0.40% by mass or less excluding 0%,Al: 0.50% by mass or less,Ti: 0.50% by mass or less,Mo: 0.50% by mass or less,Cu: 0.50% by mass or less,B: less than 0.0005% by mass,Zr: 0.0010% by mass or less,Co: 0.10% by mass or less,P: 0.015% by mass or less,S: 0.015% by mass or less, andthe remainder being Ni and incidental impurities. 4. The strip electrode according to claim 3, suitable for electroslag welding or submerged arc welding. 5. A welding method, comprising: performing electroslag welding or submerged arc welding using a strip electrode to produce a Ni-base alloy weld metal,whereinthe strip electrode comprises: Cr: 28.5% to 32.0% by mass,Fe: 7.0% to 11.0% by mass,Nb: 0.9% to 2.5% by mass,Nb and Ta: 1.5% to 2.5% by mass in total,C: 0.015% to 0.040% by mass,Mn: 0.5% to 4.0% by mass,N: 0.005% to 0.080% by mass,Si: 0.40% by mass or less excluding 0%,Al: 0.50% by mass or less,Ti: 0.50% by mass or less,Mo: 0.50% by mass or less,Cu: 0.50% by mass or less,B: less than 0.0005% by mass,Zr: 0.0010% by mass or less,Co: 0.10% by mass or less,P: 0.015% by mass or less,S: 0.015% by mass or less, andthe remainder being Ni and incidental impurities, and the Ni-base alloy weld metal comprises:Cr: 28.0% to 31.5% by mass,Fe: 7.0% to 11.0% by mass,Nb: 0.8% to 2.5% by mass,Nb and Ta: 1.5% to 2.5% by mass in total,C: 0.015% to 0.040% by mass,Mn: 0.5% to 4.0% by mass,N: 0.005% to 0.080% by mass,Si: 0.70% by mass or less excluding 0%,Al: 0.50% by mass or less,Ti: 0.50% by mass or less,Mo: 0.50% by mass or less,Cu: 0.50% by mass or less,B: less than 0.0005% by mass,Zr: 0.0010% by mass or less,Co: 0.10% by mass or less,P: 0.015% by mass or less,S: 0.015% by mass or less, andthe remainder being Ni and incidental impurities.
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이 특허에 인용된 특허 (2)
Culling John H. (Kirkwood MO), Alloy resistant to sulfuric acid corrosion.
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