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    Nitriding and NACE Code MR0175-3-2009

    Looking at NACE MR0175 Second Edition 2009-10-15, section A.1.5.1, Requirements for overlays, surface treatments, plating, coatings, linings, ect... It it says, "Nitriding with a maximum case depth of 0.15 mm (0.006 in) is an acceptable surface treatment." I would think the metal would have...
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    4130 Steel at HRC 30-35

    I am trying to find yield strength and ultimate strength for 4130 steel at Rockwell C 30 to 35. I have an old design that I need to replicate for a much lower strength quickly, and need to verify if the advantage of the heat treatment for hardening is really required for my new application.

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