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  1. Dennis van Zanten

    Is OES PMI required for dual certified 316/316L material?

    Hi all, and thanks for all the replies. The material we buy is dual certified 316 stainless steel so it is according to both 316 and 316L specifications and mechanical strengths. However we see a lot of (end) customers who require us to perform PMI (so not on the laddle, but on the product...
  2. Dennis van Zanten

    Is OES PMI required for dual certified 316/316L material?

    It is not that there is any doubt regarding Mill / Material Certificate, but it is an additional requirement by the customer to perform PMI on machined parts as well..
  3. Dennis van Zanten

    Is OES PMI required for dual certified 316/316L material?

    Hi all, Got an issue on which I can't seem to find a conclusive answer. I work in the Oil/Gas industry and specifically in filtration. Now the question, is it required to perform OES PMI (Optical Emission Spectrometry, to determine Carbon content) on dual certified Stainless Steel (316/316L)...
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