Copper alloy

Details Copper alloy Copper alloy

2006-02-21

2008-08-19

Ip, Sikyin (Department: 1793)

Metal treatment

Stock

Copper base

C420S485000, C420S486000, C420S487000, C420S488000

Reexamination Certificate

active

07413619

ABSTRACT:
Raw materials for a copper alloy are melted in a high frequency smelter and cast, and milling, rolling, and annealing are carried out. Then, rolling is again carried out. Thereafter, the materials are heated at a temperature of 900° C. for one minute and are quenched in water, to be solution treated. Subsequently, the materials are heated at a temperature of 500° C. for five hours for aging, and then are cooled at a cooling rate in a range of 10 to 50° C. per hour until the materials are cooled to a temperature of 380° C.

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