NICKEL-CHROMIUM STEEL HAVING INCREASED RESISTANCE TO CORROSION
First Claim
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2. A nickel-chromium steel as set forth in claim 8, which contains up to 20% delta-ferrite and constitutes a filler metal for welding.
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Abstract
A nitric acid resistant nickel-chromium steel which, when welded, effectively prevents the formation of intermetallic deposits at the grain boundaries in the weld area. The composition of this steel consists essentially of up to 0.15% carbon, 2-6% silicon, 0-6% manganese, 16-25% chromium, 10-25% nickel, 0.08-2% nitrogen, and the remainder being iron and unavoidable impurities.
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Citations
3 Claims
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2. A nickel-chromium steel as set forth in claim 8, which contains up to 20% delta-ferrite and constitutes a filler metal for welding.
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3. A nickel-chromium steel as set forth in claim 1 wherein said filler metal is in the welded state.
Specification
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Current AssigneeAnton Baumel
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Original AssigneeAnton Baumel
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InventorsBaumel, Anton
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Primary Examiner(s)Bizot, Hyland
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Application NumberUS04/736,988Time in Patent Office1,229 DaysField of Search75/128C,128A,128.5US Class Current420/44CPC Class CodesB23K 35/3086 containing Ni or MnC22C 38/001 containing NC22C 38/40 with nickel
