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Paris law cofficients of 20MnMoNi55 steel or SA508 steel

  1. Dec 13, 2014 #1
    If any body knows the Paris Constants 'C' and 'm' for either 20MnMoNi55 or SA508 steel at room temperature and in air environment, please hep me out.
     
  2. jcsd
  3. Dec 13, 2014 #2

    Astronuc

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    Staff: Mentor

    Apparently C and m will vary with composition and microstructure, and impurity levels.

    Here is some discussion regarding SA508
    https://opus.lib.uts.edu.au/research/bitstream/handle/10453/13663/2006013063.pdf?sequence=1 [Broken]
     
    Last edited by a moderator: May 7, 2017
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