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  • Post time: 24-06-22

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    coil master nails coil master nails

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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.

    coil master nails

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    coil master nails coil master nails

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    coil master nails coil master nails

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    coil master nails coil master nails

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    coil master nails coil master nails

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  • Post time: 19-10-22

    coil master nails

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    coil master nails coil master nails

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