Class 420/531 - Zinc containing

Subclass of Class 420 - Alloys or metallic compositions
Definition: Alloy, or metallic composition which additionally contains zinc.
No. of patents: 35
Last issue date: 07/24/2007

Number	Title	Issue Date
7247392	Aluminum alloy heat exchanger and method of producing the same An aluminum alloy heat exchanger having a tube composed of a thin aluminum alloy clad material, wherein, in the clad material, one face of an aluminum alloy core material containing Si 0.05–1.0 mass % is clad with an Al—Si-series filler material containing Si 5�...	07/24/2007
7214281	Aluminum-zinc-magnesium-copper alloy extrusion An aluminum alloy extrusion product having improved strength and fracture toughness, the aluminum base alloy comprised of 1.95 to 2.5 wt. % Cu, 1.9 to 2.5 wt. % Mg, 8.2 to 10 wt. % Zn, 0.05 to 0.25 wt. % Zr, max. 0.15 wt. % Si, max. 0.15 wt. % Fe, max. 0.1 wt. % Mn,...	05/08/2007
7032808	Thermal spray application of brazing material for manufacture of heat transfer devices The invention relates to a method of manufacturing and coating heat transfer parts for a heat exchanger such as tubes in an automobile radiator. The tubes are coated with brazing material by thermal spraying, such as plasma deposition or wire-arc deposition. The coa...	04/25/2006
6957762	Vacuum brazing method for aluminum-based material A vacuum brazing method is disclosed for joining aluminum stock materials to each other. The typical cladding material utilized includes aluminum and a melting point lowering agent such as silicon. In addition, the cladding material typically includes magnesium to p...	10/25/2005
6800244	Aluminum brazing alloy The invention relates to an aluminium brazing alloy, ideally suitable as fin stock material, having a composition, in weight %: Si 0.7-1.2, Mn 0.7-1.2, Mg up to 0.35, Fe up to 0.8, Zn up to 3.0, Ni up to 0.005, Cu up to 0.5, optionally one or more members selected f...	10/05/2004
6783869	Aluminium alloy for an anti-friction element The invention relates to an aluminium alloy for an anti-friction element containing respectively, as a % by weight, 4.2% to 4.8% Zn, 3.0% to 7.0% Si, 0.8% to 1.2% Cu, 0.7% to 1.3% Pb, 0.12% to 0.18% Mg, 0% to 0.3% Mn and 0% to 0.2% Ni. Also incorporated, based on % ...	08/31/2004
6780375	Aluminum alloy with good cuttability, method for producing a forged article, and forged article An aluminum alloy with good cuttability, containing 3 to 6 mass % of Cu, 0.2 to 1.2 mass % of Sn, 0.3 to 1.5 mass % of Bi, and 0.5 to 1.0 mass % of Zn, with the balance being aluminum and inevitable impurities. A method for producing a forged article, in which the a...	08/24/2004
6464805	Aluminum alloy plate excelling in filiform corrosion resistance and method of fabricating same An Al--Mg--Si--Cu aluminum alloy plate excelling in strength and formability and exhibiting improved filiform corrosion resistance which is suitably used for automotive body panels. The aluminum alloy plate contains 0.25-0.6% of Mg (mass %, hereinafter th...	10/15/2002
6153025	High corrosion resistant aluminum alloy containing titanium A corrosion-resistant and high tensile strength aluminum-based alloy consisting of, by weight, about 0.06-0.25% iron, 0.05-0.15% silicon, 0.03-0.08% manganese, 0.10-0.18% titanium, 0.10-0.18% chromium, up to 0.50% copper, up to 0.70% zinc, up to 0.02% inc...	11/28/2000
6126898	Cast aluminium-copper alloy An aluminum-copper alloy comprising substantially insoluble particles which occupy the interdendritic regions of the alloy....	10/03/2000
6113850	2XXX series aluminum alloy An A-rated, aluminum alloy suitable for machining, said alloy consisting essentially of: about 4-5.75 wt. % copper, about 0.2-0.9 wt. % bismuth, about 0.12-1.0 wt. % tin, the ratio of bismuth to tin ranging from about 0.8:1 to 5:1, up to about 0.7 wt. % i...	09/05/2000
6056836	AlMg alloy for welded constructions having improved mechanical characteristics Sheet for welded constructions having an ultimate tensile strength Rm >275 MPa, elongation A>22% and a product A×Rm >7000, having the composition, in % by weight: ______________________________________ Mg: 4.2-4.7; Mn: 0....	05/02/2000
5879478	Process for semi-solid forming of thixotropic aluminum-silicon-copper alloy The invention relates to an aluminum alloy for thixoforming with the composition (by weight): Si: 5%-7.2% Cu: 1%-5% Mg	03/09/1999
5837388	Aluminum alloy solder material, its manufacturing method, brazing sheet using this material, and method of manufacturing aluminum alloy heat exchanger using this sheet The present invention relates to an Al alloy solder material comprising a composition containing Si in an amount of more than 7.0 to 12.0% or less by weight, Cu in an amount of more than 0.4 to 8.0% or less by weight, Zn in an amount of more than 0.5 to 6...	11/17/1998
5803994	Aluminum-copper alloy An essentially lead-free aluminum alloy is provided for extruded screw machine stock. The alloy consists essentially of from about 4.5% to about 6% copper, a maximum of about 0.4% silicon, a maximum of about 0.7% iron, not more than about 0.3% zinc, from ...	09/08/1998
5795541	Aluminum alloy sheet for lithographic printing plates and method for manufacturing the same An aluminum alloy sheet for printing plate contains Fe: 0.2 to 0.6 Wt %, Si: 0.03 to 0.15 Wt %, Ti: 0.005 to 0.05 Wt %, Ni: 0.005 to 0.20 Wt %, and remainder of Al and inevitable impurity, wherein a ratio of Ni content and Si content satisfies 0.1ࣘNi/Si...	08/18/1998
5512241	Al-Cu-Li weld filler alloy, process for the preparation thereof and process for welding therewith Weld filler alloys comprising aluminum, copper, lithium and, optionally, silver are disclosed which possess significantly improved fabricability and weldability. The weld filler alloys are free of magnesium and can be easily drawn into weld wire that is u...	04/30/1996
5455003	Al-Cu-Li alloys with improved cryogenic fracture toughness A method is disclosed for the production of aluminum-copper-lithium alloys that exhibit improved strength and fracture toughness at cryogenic temperatures. Improved cryogenic properties are achieved by controlling the composition of the alloy, along with ...	10/03/1995
5407124	Low temperature aluminum brazing alloy and process of brazing A low melting aluminum brazing alloy of about 15-25 wt. percent silver, about 15-25 wt. percent copper, about 1-5 wt. percent silicon, about 0-3 wt. percent zinc, about 0-2 wt. percent magnesium, about 0-2 wt. percent iron and the balance essentially alum...	04/18/1995
5122207	Hypo-eutectic aluminum-silicon-copper alloy having bismuth additions An improved aluminum-silicon-copper alloy having a relatively high level of bismuth is provided which is particularly wear-resistant and sufficiently self-lubricating so as to be suitable for use in a wearing component even when poorly lubricated. The rel...	06/16/1992
5028393	Al-based alloy for use as sliding material, superior in fatigue resistance and anti-seizure property Disclosed in an Al-based alloy for use as sliding material, superior in fatigue resistance and anti-seizure property consisting, by weight, of 1-10% Zn, 1-15% Si, 0.1-5% Cu, 0.1-5% Pb, 0.005-0.5% Sr, and the balance Al and incidental impurities....	07/02/1991
4906534	Composite aluminum thin plates for brazing and method for preparing same Aluminum thin plates which are used as fins of a heat exchanger can be manufactured, as described in the claims, by controlling the composition of an aluminum alloy, which is used as a core material, and controlling the cold rolling reduction ratio of a c...	03/06/1990
4832910	Aluminum-lithium alloys Disclosed is an aluminum-lithium alloy containing a predetermined amount of lanthanides which provides the alloy with an improved combination of strength and fracture toughness relative to a baseline alloy not containing lanthanides but otherwise having t...	05/23/1989
4808243	High damping zinc alloy with good intergranular corrosion resistance and high strength at both room and elevated temperatures A zinc cast alloy is disclosed which contains, by weight, 15-60% Al, 0.05-3% Cu, 0.5-7% Si, 0.01-0.8% Mn, optionally 0.005-0.12% P and/or Na, balance Zn and incidental impurities. The alloy has a high damping characteristic, concurrently with good intergr...	02/28/1989
4785092	Aluminum brazing material for use in aluminum heat exchanger Aluminum brazing alloys for assembling aluminum heat exchangers by brazing which consist essentially of 4.5 to 13.5% of Si, from 0.005% to less than 0.1% of Sr and the balance essentially Al and, further, optionally may contain at least one element select...	11/15/1988
4781888	Aluminum brazing material for use in aluminum heat exchanger Aluminum brazing alloys for assembling aluminum heat exchangers by brazing which consist essentially of 4.5 to 13.5% of Si, 0.05 to 0.5% of Ca and the balance essentially Al and, additionally may contain Mg in the range of 0.3 to 3.0% or at least Cu compo...	11/01/1988
4740355	Aluminum alloy for the production of sacrificial anodes for anodes for cathodic corrosion protection Sacrificial anodes for cathodic corrosion protection are produced by alloying commerical aluminum having an iron content of up to 0.5% by weight with 0.01-0.5% by weight of manganese and preferably 3.5-6% by weight of zinc and 0.01-0.05% by weight of indi...	04/26/1988
4722871	Zinc-aluminum alloy coatings for steel A zinc-aluminum alloy coating having desirable ductile properties and a uniform fine grain structure having excellent wettability for a ferrous metal substrate comprises greater than about 25 percent by weight aluminum and zinc, wherein the alloy further ...	02/02/1988
4721656	Electroplating aluminum alloys from organic solvent baths and articles coated therewith A coating for metallic faces comprising an alloy of aluminum with at least one of zinc, cadmium or manganese is proposed, whereby the alloy coating is applied onto the metal surface by means of electrodeposition using a non-aqueous electrolyte. The electr...	01/26/1988
4634656	Aluminum alloy, a support of lithographic printing plate and a lithographic printing plate using the same An aluminum alloy, a lithographic printing plate support, a lithographic printing plate using the aluminum alloy are disclosed. The aluminum alloy is comprised of aluminum containing 0.20 to 1.0% Fe and 0.005 to 0.1% of elements selected from the group co...	01/06/1987
4590133	Bearing material An aluminum base alloy for use as a bearing material. The alloy contains 4% or more by weight of bismuth. The bismuth content by weight may be up to 8%, and for some purposes as much as 12%. The alloy also contains lead and silicon to enhance bearing surf...	05/20/1986
4432313	Aluminum base material with hard facing deposit An aluminum base material with a hard facing deposit which shows extremely good hot hardness properties when subjected to high operating temperatures. The invention provides a hard facing deposit which shows a hot hardness of at least 100 BHN at 600° F.,...	02/21/1984
4170469	Aluminum base bearing alloy and a composite bearing made of the alloy with a steel backing plate A composite bearing composed of a bearing alloy consisting of 2-8% Zn, 2-8% Si, 0.1-3% Cu, and 0.1-3% Pb all by weight with the remainder being aluminum and a steel backing lined with said bearing alloy. This bearing alloy has outstanding non-sticking pro...	10/09/1979
4126448	Superplastic aluminum alloy products and method of preparation Aluminum alloy products having superplastic properties are prepared by casting an aluminum alloy containing calcium and zinc in near-eutectic proportions under conditions that develop a eutectic cast structure of fine Ca-Zn-Al intermetallic rods, and work...	11/21/1978
4121750	Processes for soldering aluminum-containing workpieces Processes and compositions for soldering aluminum-containing workpieces wherein the solder contains components which lower the surface tension and the viscosity of the molten solder, and which lower the interfacial tension between the solder and the alumi...	10/24/1978

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Class 420/531 - Zinc containing