Abstract: A brass alloy is formed from 54 to 64% Cu, 0.05 to 0.15% Al, 0.005 to 0.5% In, at least one of the components of Fe, Sn and Ni in an amount of 0.01 to 3.0%, balance Zn and also unavoidable impurities. The combination of these materials provides a brass alloy that has improved machinability.

Abstract: A lead-free copper alloy has from 70.0 to 83.0% by weight of Cu, from 2.0 to 2.9% by weight of Si, from 0.05 to 0.10% by weight of P, from 0.01 to <0.30% by weight of Sn, and a balance of Zn and unavoidable impurities. The lead-free copper alloy is particularly suited for the production of an installation components for conducting drinking water.

Abstract: A nickel-free white CuZn alloy. The alloy includes the following alloying elements: from 63.0 to 67.0% of Cu, from 0.01 to 0.15% of Pb, from 0.01 to 0.2% of Fe, from 1.3 to 2.5% of Al, from 12.0 to 15.0% of Mn, a balance of Zn, and unavoidable impurities.

Abstract: A copper-zinc alloy contains 59.0 to 65.0% Cu, 2.5 to 4.0% Mn, 1.2 to 2.5% Al, 0.5 to 2.0% Si, 0.2 to 1.0% Fe, 0 to 1.0% Pb, 0 to 1.5% Ni, 0 to 0.2% Sn, balance Zn and unavoidable impurities. The zinc alloy has excellent temperature resistance and surfaces produced by machining have a considerably reduced surface roughness.

Abstract: A nickel-free white CuZn alloy. The alloy includes the following alloying elements: from 63.0 to 67.0% of Cu, from 0.01 to 0.15% of Pb, from 0.01 to 0.2% of Fe, from 1.3 to 2.5% of Al, from 12.0 to 15.0% of Mn, a balance of Zn, and unavoidable impurities.

Abstract: A copper-zinc alloy that is particularly suitable as a material for a horseshoe includes at least the following components, in percent by weight: 59-73% of copper, 2.7-8.5% of manganese, 1.5-6.3% of aluminum, 0.2-4% of silicon, 0.2-3% of iron, 0-2% of lead, 0-2% of nickel, 0-0.4% of tin, balance zinc and unavoidable impurities.

Abstract: A copper-zinc alloy that is particularly suitable as a material for a horseshoe includes at least the following components, in percent by weight: 59-73% of copper, 2.7-8.5% of manganese, 1.5-6.3% of aluminum, 0.2-4% of silicon, 0.2-3% of iron, 0-2% of lead, 0-2% of nickel, 0-0.4% of tin, balance zinc and unavoidable impurities.

Abstract: A novel copper-zinc alloy is particularly suited for a valve guide. The copper-zinc alloy contains 59 to 73% copper, 2.7 to 8.3% manganese, 1.5 to 6% aluminum, 0.2 to 4% silicon, 0.2 to 3% iron, 0 to 2% lead, 0 to 2% nickel, 0 to 0.2% tin, remainder zinc and inevitable impurities.

Abstract: 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% nickel, 0-0.4% tin, residual zinc and unavoidable impurities.

Abstract: A Cu—Zn—Si alloy includes, in % by weight, 70 to 80% of copper, 1 to 5% of silicon, to 0.5% of boron, up to 0.2% of phosphorus and/or up to 0.2% of arsenic, a remainder of zinc, plus inevitable impurities. Products using the alloy and processes for producing the alloy are also provided. The alloy is distinguished by an improved resistance to oxidation and by uniform mechanical properties.

Abstract: A wear-resistant brass alloy is ideally suited for manufacturing a synchronizing ring for use in couplings, brakes, transmissions, etc. The brass alloy contains 55-68% by weight of copper, 0-6% by weight of aluminium, 2-14% by weight of manganese, 0.5-3% by weight of phosphorus, 0-1% by weight of lead, unavoidable impurities and the rest zinc.

Abstract: A copper-zinc alloy is particularly suitable for forming synchronizer rings. The novel alloy contains 55 to 75 wt. % copper, 0.1 to 8 wt. % aluminum, 0.3 to 3.5 wt. % iron, 0.5 to 8 wt. % manganese, 0 to less than 5 wt. % nickel, 0 to less than 0.1 wt. % lead, 0 to 3 wt. % tin, 0.3 to 5 wt. % silicon, 0 to less than 0.1 wt. % cobalt, 0 to less than 0.05 wt. % titanium, 0 to less than 0.02 phosphorus, unavoidable impurities and the remainder zinc.

Abstract: 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% nickel, 0-0.4% tin, residual zinc and unavoidable impurities.

Abstract: A novel copper-zinc alloy is particularly suited for a valve guide. The copper-zinc alloy comprises 59 to 73% copper, 2.7 to 8.3% manganese, 1.5 to 6% aluminum, 0.2 to 4% silicon, 0.2 to 3% iron, 0 to 2% lead, 0 to 2% nickel, 0 to 0.2% tin, remainder zinc and inevitable impurities.

Abstract: A Cu—Zn—Si alloy includes, in % by weight, 70 to 80% of copper, 1 to 5% of silicon, 0.0001 to 0.5% of boron, up to 0.2% of phosphorus and/or up to 0.2% of arsenic, a remainder of zinc, plus inevitable impurities. Products using the alloy and processes for producing the alloy are also provided. The alloy is distinguished by an improved resistance to oxidation and by uniform mechanical properties.

Abstract: The invention relates to a method of manufacturing a copper-nickel-silicon alloy with a composition Cu (balance), Ni 1.5-5.5%, Si 0.2-1.05, Fe 0-0.5% and Mg 0-0.1% (all in percent by weight), and use of the alloy for pressure-englazable casings. The method permits an alloy with a very high elastic limit with very good conductivity and good cold reformability and differs from the conventional method of manufacturing such alloys by heating to about 950.degree. C. and fairly rapid cooling after a preceding cold rolling operation. An improvement in the properties can be achieved by ageing of the alloy at 300.degree. C. to 600.degree. C. for several hours.

Abstract: A copper-zinc alloy for semi-finished products and articles which are highly loaded and subjected to extreme wear especially synchronizing rings. The alloy possesses a composition of 40 to 65% Cu, 8 to 25% Ni, 2.5 to 5% Si, 0 to 3% Al, 0 to 3% Fe, 0 to 2% Mn and 0 to 2% Pb, with the balance being zinc and unavoidable impurities. The Ni:Si ratio is about 3 to 5:1, and the structure consists of at least 75% .beta.-phase, with the balance .alpha.-phase, in the absence of a .gamma.-phase. Nickel silicides occur predominantly as a round intermetallic phase. The alloy provides quite substantially higher levels of resistance to wear.

Abstract: Utilization of a copper-zinc alloy for semifinished materials and semi-manufactured articles; especially synchronizing rings. The copper-zinc alloy is essentially constituted of 50 to 65% copper, 1 to 6% aluminum, 0.5 to 5% silicon, 5 to 8% nickel, as well as selectively 0 to 1% iron, 0 to 2% lead, 0 to 2% manganese, all in percent by weight, with zince as the remainder, as well as unavoidable impurities, whereby the nickel is overwhelmingly present in an intermetallic composition with silicon (nickel-silicide). The silicides are in round, uniformly distributed fine precipitate form.