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  1. J G

    Trouble with Heat Treatment of 1022 steel Fasteners

    I am making special fasteners from 1022 steel. The screw needs a high surface hardness (58-60 HRc) but should be able to bend also (5-7 degrees). In my heat treatment process I get the hardness but the screw does not pass the bend test. It is brittle and breaks. HELP !

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