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US20140010704 COPPER ALLOY WIRE AND COPPER ALLOY SPRING  
To provide a copper alloy wire being a filamentary material of a copper alloy containing, in percent by mass, Ni: 3.0 to 15.0%, Al: 0.5 to 5.0%, and Si: 0.1 to 3.0%, with the remainder being...
US20120073712 MACHINABLE COPPER-BASED ALLOY AND METHOD FOR PRODUCING THE SAME  
Alloy containing between 1% and 20% by weight of Ni, between 1% and 20% by weight of Sn, between 0.5%, 3% by weight of Pb in Cu which represents at least 50% by weight of the alloy; characterized...
US20150071813 BRASS ALLOY FOR TAP WATER SUPPLY MEMBER  
A brass alloy is provided having good mechanical properties and castability, and excellent general-purpose properties, while its dezincification corrosion is inhibited. The brass alloy contains...
US20110174417 HIGH STRENGTH AND HIGH CONDUCTIVITY COPPER ALLOY PIPE, ROD, OR WIRE  
A high strength and high conductivity copper alloy pipe, rod, or wire is composed of an alloy composition containing 0.13 to 0.33 mass % of Co, 0.044 to 0.097 mass % of P, 0.005 to 0.80 mass % of...
US20130142691 METHOD FOR PREVENTING ELUTION OF Bi FROM COPPER ALLOY  
Provided is a method for preventing the elution of Bi from copper alloy, in which the elution of Bi is prevented in leadless copper-alloy plumbing equipment and the like containing a trace of lead...
US20110038752 WHITE COPPER-BASE ALLOY  
A white bronze alloy consisting essentially of, in weight percent, about 0.3-1.5 wt % aluminum, about 0.5-2.0 wt % bismuth, about 61-66 wt % copper, about 0.0-0.5 wt % iron, about 11-15 wt %...
US20100297464 MELT-SOLIDIFIED SUBSTANCE, COPPER ALLOY FOR MELT-SOLIDIFICATION AND METHOD OF MANUFACTURING THE SAME  
A melt-solidified substance includes melt-solidified portions formed by welding, build-up spray welding, metallizing or fusing. The melt-solidified portions have the alloy composition containing...
US20120258809 COPPER-TIN MULTICOMPONENT BRONZE CONTAINING HARD PHASES, PRODUCTION PROCESS AND USE  
The invention relates to a copper-tin multicomponent bronze consisting of (in % by weight): 0.5 to 14.0% Sn,0.01 to 8.0% Zn,0.01 to 0.8% Cr,0.05 to 2.0% Al,0.01 to 2.0% Si,optionally in addition...
US20140251488 HOT-FORGED COPPER ALLOY PART  
A hot-forged copper alloy part which has a tubular shape, in which an alloy composition contains 59.0 mass % to 84.0 mass % of Cu and 0.003 mass % to 0.3 mass % of Pb with a remainder of Zn and...
US20150203940 BRASS ALLOY AND METHOD FOR MANUFACTURING THE SAME  
A brass alloy, with a total weight percentage thereof counted as 100 wt %, includes the following elements: 60 wt % to 65 wt % of copper, 0.1 wt % to 0.35 wt % of bismuth, 0.15 wt % to 0.5 wt % of...
US20090214380 LOW-MIGRATION COPPER ALLOY  
The present invention relates to a copper alloy, in particular for components which carry media or drinking water, in particular fittings, valves or compression joints and also an advantageous use...
US20120027638 HIGH-STRENGTH COPPER ALLOY  
A high-strength copper alloy contains 20 to 45% of zinc, 0.3 to 1.5% of iron, 0.3 to 1.5% of chromium, and a balance of copper, based on mass.
US20110056591 BRASS ALLOY POWDER, BRASS ALLOY EXTRUDED MATERIAL, AND METHOD FOR PRODUCING THE BRASS ALLOY EXTRUDED MATERIAL  
Brass alloy powder has a brass composition formed by a mixed phase of α-phase and β-phase, and contains 0.5 to 5.0 mass % of chromium. The chromium includes a component that is solid-solved in a...
US20140227128 COPPER ALLOY WITH HIGH STRENGTH AND HIGH ELECTRICAL CONDUCTIVITY  
This copper alloy with high strength and high electrical conductivity includes: Mg: more than 1.0% by mass to less than 4% by mass; and Sn: more than 0.1% by mass to less than 5% by mass, with a...
US20120294754 COPPER ALLOY WITH HIGH STRENGTH AND HIGH ELECTRICAL CONDUCTIVITY  
This copper alloy with high strength and high electrical conductivity includes: Mg: more than 1.0% by mass to less than 4% by mass; and Sn: more than 0.1% by mass to less than 5% by mass, with a...
US20100008817 COPPER ALLOY FOR SEAMLESS PIPES  
A seamless pipe copper alloy includes Zr and at least one of Al, Sn, and Zn, with the balance being Cu and unavoidable impurities, the Al content, the Sn content, the Zn content, and the Zr...
US20130280120 Hard and Super-hard Metal Alloys and Methods for Making the Same  
The present invention relates to Cu33Al17 alloys and Cu33Al17-based bulk alloys and coatings that exhibit significantly increased hardness characteristics compared to traditional copper-aluminum...
US20110129173 Pb-FREE COPPER ALLOY SLIDING MATERIAL AND PLAIN BEARINGS  
[Task] In the provided Cu-based sliding material, the properties equivalent to those of a Pb-containing material is attained even free of Pb, and material has stable friction coefficient....
US20140234156 BRASS WITH EXCELLENT CORROSION RESISTANCE  
Disclosed is a brass that possesses high corrosion resistance even without undergoing a heat treatment step contemplated for dezincification corrosion suppression. This brass includes 55% by mass...
US20090022620 Copper-zinc alloy, production method and use  
The invention relates to a copper-zinc alloy, consisting of (in wt %): from 28.0 to 36.0% Zn,from 0.5 to 2.3% Si,from 1.5 to 2.5% Mn,from 0.2 to 3.0% Ni,from 0.5 to 1.5% Al,from 0.1 to 1.0%...
US20110223056 COPPER ALLOY SHEET  
The present invention relates to a Cu—Ni—Sn—P-based copper alloy sheet having a specific composition, where (1) the copper alloy sheet is set to have an electrical conductivity of 32% IACS or...
US20090092517 Copper Alloy Extruded Material and Its Manufacturing Method  
A copper alloy extruded material is provided by extruding a copper alloy powder solidified billet and old grain boundaries remain in it.
US20110129383 Copper-zinc alloy  
A copper-zinc alloy includes 56-65% by weight copper (Cu), 0.2-2.0%, by weight, of Tin (Sn) for improving tensile strength of Copper (Cu) and for strengthening the corrosion resistance of Zinc...
US20140259674 BRASS ALLOYS FOR USE IN TURBOCHARGER BEARING APPLICATIONS  
In accordance with an exemplary embodiment, a high-strength brass alloy includes, by mass %, about 1.3% to about 2.3% of aluminum (Al), about 1.5% to about 3.0% of manganese (Mn), about 1% maximum...
US20110132569 Brass alloys having superior stress corrosion resistance and manufacturing method thereof  
The present invention relates to a brass alloy having superior stress corrosion comprising: 59.0-64.0 wt % Cu, 0.6-1.2 wt % Fe, 0.6-1.0 wt % Mn, 0.4-1.0 wt % Bi, 0.6-1.4 wt % Sn, at least one...
US20110129384 Copper-zinc alloy  
A copper-zinc alloy includes 56-65%, by weight, of copper (Cu), 0.2-1.5%, by weight, of Tin (Sn) for improving tensile strength of copper (Cu) and for strengthening the corrosion resistance of...
US20090263272 Lead-free free-machining brass having improved castability  
There is provided a brass free from lead (Pb) and possessing excellent machinability, castability, mechanical properties and other properties. A brass consisting of not less than 55% by weight and...
US20130028784 COPPER ALLOY WROUGHT MATERIAL, COPPER ALLOY PART, AND METHOD OF PRODUCING A COPPER ALLOY WROUGHT MATERIAL  
A copper alloy wrought material, containing 1.5 to 7.0 mass % of Ni, 0.3 to 2.3 mass % of Si, 0.02 to 1.0 mass % of S, and optionally at least one selected from the group consisting of Sn, Mn, Co,...
US20130078137 USE OF A COPPER ZINC ALLOY  
A copper zinc alloy that is used as a material for a sliding bearing wherein the alloy comprises 59-73% copper, 2.7-8.5% manganese, 1.5-6.3% aluminum, 0.2-4% silicon, 0.2-3% iron, 0-2% lead, 0-2%...
US20110129385 Copper-zinc alloy  
A copper-zinc alloy includes 56-65%, by weight, of Copper (Cu), 0.2-2.0%, by weight, of Tin (Sn) for improving tensile strength of Copper (Cu) and for strengthening the corrosion resistance of...
US20100098579 Lead-Free, Bismuth-Free Free-Cutting Phosphorous Brass Alloy And Its Manufacturing Method  
The present invention relates to a lead-free, bismuth-free free-cutting phosphorous brass alloy and its method of manufacture. The alloy comprises: Cu; Zn; 0.59 to 1.6 wt % P; and other elements...
US20090311128 COPPER ALLOY SHEETS FOR ELECTRICAL/ELECTRONIC PART  
A shear plane ratio is reduced by a dislocation density in which a value obtained by dividing the half-value width β of the intensity of diffraction of {311} plane in the surface of a Cu—Fe—P...
US20060088436 Copper alloy sputtering target process for producing the same and semiconductor element wiring  
Provided is a copper alloy sputtering target containing 0.01 to (less than) 0.5 wt % of at least 1 element selected from Al or Sn, and containing Mn or Si in a total amount of 0.25 wtppm or less....
US20090311126 LEAD-FREE FREE-CUTTING PHOSPHOROUS BRASS ALLOY AND ITS MANUFACTURING METHOD  
Considering the solid solubility of P in the matrix of copper will be decreased rapidly with the temperature decrease and form the brittle intermetallic compounds Cu3P with Cu, the present...
US20110229367 COPPER NICKEL ALUMINUM ALLOY  
An alloy including at least 6 weight percent aluminum, greater than 6 weight percent nickel, and at least 50 weight percent copper. In some embodiments, the alloy includes 6 to 9 weight percent...
US20100080731 Tin-Free Lead-Free Free-Cutting Magnesium Brass Alloy and Its Manufacturing Method  
A tin-free lead-free free-cutting magnesium brass alloy comprises 56.0 to 64.0 wt % Cu, 1.05 to about 2.1 wt % Mg, 0.21 to 0.4 wt % P and other elements 0.002 to 0.9 wt % which comprise at least...
US20110142715 Brass alloy  
The present invention provides an environmental friendly brass alloy, including 0.4 to 0.8 wt % of aluminum; 0.6 to 1.6 wt % of nickel; 0.8 to 2.0 wt % of tin; more than 95.6 wt % of copper and...
US20150044089 COPPER/ZINC ALLOYS HAVING LOW LEVELS OF LEAD AND GOOD MACHINABILITY  
The free-cutting copper alloy according to the present invention contains a greatly reduced amount of lead in comparison with conventional free-cutting copper alloys, but provides industrially...
US20130276938 COPPER/ZINC ALLOYS HAVING LOW LEVELS OF LEAD AND GOOD MACHINABILITY  
The free-cutting copper alloy according to the present invention contains a greatly reduced amount of lead in comparison with conventional free-cutting copper alloys, but provides industrially...
US20090311127 LEAD-FREE FREE-CUTTING MAGNESIUM BRASS ALLOY AND ITS MANUFACTURING METHOD  
A lead-free free-cutting magnesium brass alloy comprises 56.0 to 64.0 wt % Cu, 0.6 to 2.5 wt % Mg, 0.15 to 0.4 wt % P and other elements 0.002 to 0.9 wt % which comprise at least two elements...
US20120308429 COPPER ALLOY SHEET FOR ELECTRIC AND ELECTRONIC PART  
A shear plane ratio is reduced by a dislocation density in which a value obtained by dividing the half-value width β of the intensity of diffraction of {311} plane in the surface of a Cu—Fe—P...
US20150152525 LEAD-FREE FREE-MACHINING BRASS HAVING IMPROVED CASTABILITY  
A brass free from lead and possessing excellent machinability, castability, mechanical properties, etc. consists of not less than 55% by weight and not more than 75% by weight of Cu, not less than...
US20110214836 ENVIRONMENT-FRIENDLY MANGANESE BRASS ALLOY AND MANUFACTURING METHOD THEREOF  
The present invention provides an environment-friendly manganese brass alloy, which comprises 55˜65 wt % of Cu, 1.0˜6.5 wt % of Mn, 0.2˜3.0 wt % of Al, 0˜3.0 wt % of Fe, 0.3˜2.0 wt % of Sn,...
US20110064602 DEZINCIFICATION-RESISTANT COPPER ALLOY  
A dezincification-resistant copper alloy is provided. The copper alloy comprises less than 0.3 wt % of lead (Pb), 0.02 to 0.15 wt % of antimony (Sb), 0.02 to 0.25 wt % of arsenic (As), 0.4 to 0.8...
US20150104347 Low Shrinkage Corrosion-Resistant Brass Alloy  
A low shrinkage corrosion-resistant brass alloy contains 58 to 64 wt % of copper; 0.1 to 0.3 wt % of tin; less than 0.25 wt % of lead; 0.01 to 0.15 wt % of phosphorus; and more than 97.5 wt % of...
US20100284851 COPPER ALLOY SHEET EXCELLENT IN RESISTANCE PROPERTY OF STRESS RELAXATION  
The invention provides a Cu—Ni—Sn—P alloy sheet satisfying the resistance property of stress relaxation in the direction perpendicular to the rolling direction and excellent in the other necessary...
US20150200392 NEGATIVE ELECTRODE ACTIVE MATERIAL  
Provided is a negative electrode active material that can improve the capacity per volume and charge-discharge cycle characteristics of a nonaqueous electrolyte secondary battery represented by a...
US20110081271 LOW-LEAD COPPER ALLOY  
The present invention provides a low-lead copper alloy, which includes 0.05 to 0.3 wt % of lead, 0.3 to 0.8 wt % of aluminum, 0.01 to 3 wt % of bismuth, 1 to 4 wt % of silicon, 0.1 to 1 wt % of...
US20120251382 LEAD-FREE FREE-CUTTING CORROSION-RESISTANT SILICON-BISMUTH BRASS ALLOY  
A lead-free free-cutting corrosion-resistant silicon-bismuth brass alloy, including the following: between 60.0 and 65.0 wt % of Cu, between 0.6 and 1.8 wt % of Si, between 0.2 and 1.5 wt % of Bi,...
US20120121455 Low lead ingot  
A composition for a low lead ingot comprising primarily copper and including tin, zinc, sulfur, phosphorus, nickel. The composition may contain manganese. The low lead ingot, when solidified,...

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