IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0176409
(1988-04-01)
|
발명자
/ 주소 |
- Culling John H. (St. Louis MO)
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출원인 / 주소 |
- Carondelet Foundry Company (St. Louis MO 02)
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인용정보 |
피인용 횟수 :
9 인용 특허 :
7 |
초록
▼
The alloys of this invention are of low strategic element content, non-magnetic, resistant to chloride-containing solutions as well as a wide range of other chemical agents, air-meltable, castable, of greatly improved fabricability and weldability, and consist by weight percentages of from about 20.
The alloys of this invention are of low strategic element content, non-magnetic, resistant to chloride-containing solutions as well as a wide range of other chemical agents, air-meltable, castable, of greatly improved fabricability and weldability, and consist by weight percentages of from about 20.5% to about 35.5% by weight Ni, from about 23.5% to about 27.5% by weight Cr, from about 4.0% to about 6.7% by weight Mo, from about 0.7% to about 3.6% by weight Cu, up to about 0.09% by weight C, up to about 1.5% by weight Si, up to about 5% by weight Co, up to about 0.45% by weight N, up to about 1% by weight Ti, up to about 0.8% by weight Cb, and up to about 0.3% by weight Ce, La or Misch metal, up to about 2% by weight Mn, up to about 1.6% by weight Ta, and the balance essentially iron The combined content by weight of Ni plus Co is at least about 25.5% by weight and exceeds the weight content of Cr by at least 2% but by not more than 8%.
대표청구항
▼
An air-meltable, castable, workable, non-magnetic alloy resistant to chlorides and other corrosive chemicals, consisting essentially of between about 20.5% and about 32% nickel, between about 23.5% and about 27.5% by weight chromium, between about 4.0% and about 6.7% by weight molybdenum, between ab
An air-meltable, castable, workable, non-magnetic alloy resistant to chlorides and other corrosive chemicals, consisting essentially of between about 20.5% and about 32% nickel, between about 23.5% and about 27.5% by weight chromium, between about 4.0% and about 6.7% by weight molybdenum, between about 0.7% and about 3.6% by weight copper, up to about 0.09% by weight carbon, up to about 1.5% by weight silicon, up to about 5% by weight cobalt, up to about 0.45% by weight nitrogen, up to about 1% by weight titanium, up to about 0.8% by weight niobium, up to about 0.3% of a rare earth component selected from the group consisting of cerium, lanthanum, and misch metal, up to about 2% by weight manganese, up to about 1.6% by weight tantalum, and the balance essentially iron, the sum of the nickel content and the cobalt content being between about 25.5% and 32% by weight and exceeding the chromium content by between about 2% and about 6.2% by weight, basis the entire alloy.
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