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  1. MattG44

    Chemical analysis tolerance

    Product test was carried out by an accredited lab by Optical emission spectrometers (OES) , which test process would be you suggest?
  2. MattG44

    Chemical analysis tolerance

    Thanks for the feed back so far. to clarify the affected element here is Ni, the 3.51% is the melt analysis. Unexpectedly the product check analysis has come out at 3.6% for Ni which is concerning (I have been informed that product check has a permissible extra tolerance of +/- 0.07%)
  3. MattG44

    Chemical analysis tolerance

    My first thread so please go easy on me! So we have a raw material (stainless steel) with an element tolerance of 3.0 to 3.5%, the Mill cert supplied records the element at 3.51" which exceeds the tolerance range in the specification. Our supplier is arguing that the material is compliant based...

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