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Recent content by jts20

  1. jts20

    Bolt made from upsetting vs machining

    That's interesting. We are targeting a relatively low yield of 115ksi. What sort of condition did the material start out in, in your case?
  2. jts20

    Bolt made from upsetting vs machining

    Working on a bolt compliant to MIL-S-1222, which requires wedge testing, which is more of a test of ductility than a confirmation of strength. We have a supplier that can make the bolt by either method, and the material (4340) coming in from the mill is produced with a reduction ratio of 15:1...
  3. jts20

    Bolt made from upsetting vs machining

    Working on a bolt compliant to MIL-S-1222, which requires wedge testing, which is more of a test of ductility than a confirmation of strength. We have a supplier that can make the bolt by either method, and the material (4340) coming in from the mill is produced with a reduction ratio of 15:1...

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