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  • Users: gioi
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  1. gioi

    BS 970 817-M40 T Hardness

    I have found values in hte range of 260 - 300 HV but after mechanical treatment (deep grinding). The normal value (before to remove material) was around 400 HV!
  2. gioi

    BS 970 817-M40 T Hardness

    Please does somebody know the hardness value (vickers)of the base material BS 970 817-M40 T? Many thanks gioi

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