Copper alloy for conditioner pipe
A technology for copper alloys and pipes, applied in the field of copper alloys for air-conditioning pipes, can solve the problems of not being able to better meet the comprehensive use requirements of the air-conditioning industry, reducing the service life of air conditioners, and breaking air-conditioning pipes, etc., to improve strength and restrain growth. , reducing the effect of hydrogen disease
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Embodiment 1
[0013] Embodiment 1: No. 1 alloy, the composition of each component is respectively by weight percent: copper (Cu) 99.9%, phosphorus (P) 0.015~0.040%, light rare earths such as lanthanum (La), cerium (Ce) Element-based misch metal (Re) 0.001-0.099%.
Embodiment 2
[0014] Embodiment 2: No. 2 alloy, the composition of each component is respectively by weight percent: copper (Cu) 99.9%, phosphorus (P) 0.004~0.012%, light rare earths such as lanthanum (La), cerium (Ce) Element-based misch metal (Re) 0.001-0.099%.
[0015] The preparation of the above alloy adopts a power frequency cored induction furnace. In the pure copper melt, according to the composition ratio and the order of feeding, add phosphorus-copper master alloy, rare earth-copper master alloy (or directly add lanthanum, cerium, etc. Light rare earth element-based mixed rare earth metals), cast into cylindrical copper alloy ingots.
[0016] Casting into a cylindrical copper alloy ingot, after sawing and interrupting, after subsequent processing such as hot working, cold working and corresponding heat treatment, it is made into copper pipes for air conditioning and refrigeration.
[0017] state
[0018] outer diameter, mm
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