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Recent content by dougbevi

  1. dougbevi

    Hydrogen embrittlement on 12.9 bolts

    I have always been of the presumption that to eliminate hydrogen embrittlement in hardened bolts that have been zinc plated it is necessary to bake them after plating. I am being told by our QC guy that it is not recommended to plate the bolt at all as complications can still result even if they...
  2. dougbevi

    Steel call out on drawing

    Thanks Cory for the info I will pass it along to my customer Doug
  3. dougbevi

    Steel call out on drawing

    I'm having trouble finding this for one of my customers and a material call out they need for a washer.They are requesting SPC590 for the part. They were using DC01-C490 but changed the spec to a SPC590. My manufacture has no idea what the spec is and I need an answer to clarify my manufacturer...
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