Beryllium copper alloy
A beryllium-copper alloy and copper alloy technology, applied in the field of alloys, can solve problems affecting product performance, high friction coefficient, poor thermal conductivity, etc., and achieve the effects of prolonging service life, small friction coefficient and fast heat conduction
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Embodiment 1
[0018] Embodiment 1, according to the chemical composition requirement of the present invention, weigh beryllium-copper alloy 101 Kg, Cr 2.55Kg, Mn 22.7Kg, Fe 22.7Kg, Al 145Kg, Cu 740Kg containing beryllium 4%, copper 96%, electric furnace preheating When the temperature reaches about 300°C, add 444Kg of 60% copper material, cover the surface with charcoal powder, add the above-mentioned iron, manganese, and chromium after melting, and when the temperature rises to about 1200°C, add the above-mentioned aluminum and stir quickly. After all the metals are melted, add the remaining 40% copper 296Kg and the above-mentioned beryllium-copper alloy weighed, remove the scum after melting, and when the temperature rises to about 1150°C-1200°C, cast it to obtain the beryllium-copper alloy of the present invention . Sampling was carried out for chemical analysis, and the weight percentage of its chemical composition is: Be 0.4% Cr 0.25% Mn 2.2% Fe 2.2% Al 14.0%, the balance is Cu and una...
Embodiment 2
[0019] Embodiment 2, weigh beryllium-containing 4%, copper-containing 96% beryllium-copper alloy 76Kg, Cr 1.55Kg, Mn 20.6Kg, Fe 20.6Kg, Al 134Kg, Cu 780Kg according to the chemical composition requirement of the present invention, electric furnace is preheated to Add 468Kg of 60% copper material at about 300°C, cover the surface with charcoal powder, add the iron, manganese, and chromium weighed above after melting, and add the aluminum weighed above and stir quickly when the temperature rises to about 1200°C. After the metal is completely melted, add the remaining 40% copper 312Kg and the above-mentioned beryllium-copper alloy weighed, remove the dross after melting, and when the temperature rises to about 1150°C-1200°C, cast it to obtain the beryllium-copper alloy of the present invention. Sampling was carried out for chemical analysis, and the weight percentage of its chemical composition is: Be 0.3% Cr 0.15% Mn 2.0% Fe 2.0% Al 13%, the balance is Cu and unavoidable trace im...
Embodiment 3
[0020] Embodiment 3, weigh 126Kg, Cr 3.55Kg, Mn 29Kg, Fe 29Kg, Al 146Kg, Cu 699Kg containing beryllium 4% and copper-containing 96% beryllium-copper alloy according to the chemical composition requirements of the present invention, and the electric furnace is preheated to 300°C Add 419Kg of 60% copper material, cover the surface with charcoal powder, add the iron, manganese, and chromium weighed above after melting, and add the aluminum weighed above and stir quickly when the temperature rises to about 1200°C. After melting, add the remaining 40% copper 280Kg and the above-mentioned beryllium-copper alloy weighed, remove the scum after melting, and when the temperature rises to about 1150°C-1200°C, cast it to obtain the beryllium-copper alloy of the present invention. Sampling for chemical analysis, the weight percentage of its chemical composition is: Be 0.5% Cr 0.35% Mn 2.8% Fe 2.8% Al 14.2%, the rest is Cu and unavoidable trace impurities. After testing, its hardness is: HR...
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