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  • Users: jallenc
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  1. jallenc

    15-5 PH Condition 1025 Heat Treat Per AMS 2759/3

    My Customer material requirement was 15-5 PH per AMS 5759. An additional requirement was to heat treat to condition H1025 per AMS 2759. I purchased material from the Mill as Cond 1025H but was not certified to AMS2759 for the heat treat. The Mill says that his Condition H1025 is for unfinished...
  2. jallenc

    Re-Heat Treat 15-5 due to wrong condition

    We had a requirement for a supplier to Heat Treat parts to 180-200 KSI and achieve a hardness of 40 - 43 HRC per a customer specification The parts were processed to condition H1025 resulting in hardness of 36 - 37 HRC. I assume they should have been processed to condition H925 to achieve the...
  3. jallenc

    Pyrometry Calibration Start of cycle

    We use Fluke meters while performing SATs. I recently sent two meters out for calibration which the new re-calibration date is 30 days. Is it permissible to hold one unit back 15 days and release it with a new label staring the 30 day cycle so the calibration of the units will be staggered.
  4. jallenc

    elctrical bond between faying surfaces

    When applying the BMS595 sealant to the electrical faying surface, do you also cover the electrical bond area. My interpetation of Boeing Spec BAC5117-6 Cat 2 is that you apply the sealant to the entire faying surface of one part. I'm dealing with an aluminum assy and there is a bracket to be...

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