WebApr 27, 2024 · In order to prevent oxidation during processing, save the cost of pickling and obtain a bright surface, it is allowed to anneal copper alloy strip, wire and coil tube in a protective atmosphere or vacuum furnace, that is, bright annealing. A large amount of O2, CO2 and H2O in the air will oxidize the surface of the copper alloy, which must be ... WebBright annealing combined with solution annealing is the most important heat treatment procedure for stainless steel long material in roller hearth furnaces. The heat treatment usually takes place at temperatures of max. 1.250 °C. To achieve the bright annealing effect, an atmosphere of 100 % hydrogen is used as reaction gas during the heat ...
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