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Recent content by redmike

  1. redmike

    Effects of H2S on 4140

    I am trying to find some information on the effects of sour gas on 4140 HT material.
  2. redmike

    17-4 h1150

    Does anyone know of any failure problems for 17-4 h1150 stainless steel? We are looking at using it to replace 4130 nace for our threaded connections.

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