Low silver, low nickel brazing material

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United States of America Patent

PATENT NO 9157134
APP PUB NO 20120207643A1
SERIAL NO

13503551

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A homogenous brazing material essentially consisting of relatively low amounts of silver and nickel together with copper, zinc, and other constituents is provided. The brazing material has a working temperature exceeding 630° F. and is preferably between about 1250° F. and 1500° F. The brazing material preferably has about 30 percent by weight of silver, about 36 percent by weight of copper, about 32 percent by weight of zinc, and about 2 percent by weight of nickel. The addition of nickel in the above-specified amount improves resistance against interface corrosion in aqueous solutions, aids in the strength of the alloy, and provides improved wettability on ferrous and non-ferrous substrates. The brazing material may also include a flux, such as a core or a coating.

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Patent Owner(s)

Patent OwnerAddress
LUCAS-MILHAUPT INCCUDAHY WI 53110

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Belohlav, Alan Belgium, US 12 51
Kuta, Marcin Greendale, US 2 5

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