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  • 1, stress relief before plating where the maximum tensile strength is greater than 1034Mpa key and important parts before plating should be at 200±10℃ stress relief for more than 1 hours, carburizing or surface quenching parts should be at 140±10℃ stress relief for more than 5 hours.

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  • 3. Acid activation acid activation solution should be able to remove corrosion products and oxide film (skin) on the surface of parts, without excessive corrosion on the matrix.

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  • Post time: 29-03-23

    quail in bird cage

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  • Post time: 27-06-22

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  • quail in bird cage

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  • Post time: 15-09-22

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