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  1. iepeulas

    SEMI F20 (316L VIM/VAR) sourcing

    I'm looking for round bar, 3/8" dia. or so. Anything larger could work too, I'll just centerless grind down to my target dia. I can't find material with this spec anywhere, in any form. Everyone wants to sell a mill run...
  2. iepeulas

    SEMI F20 (316L VIM/VAR) sourcing

    Does anyone know where to find semiconductor grade steel that meets the SEMI F20 UHP specification. Its basically 316L with some additional chemistry and inclusion content requirements. I've found a few places that will make it, but I do not want to commision a mill run. Does anyone know of a...
  3. iepeulas

    Equipment guarding

    A quote and subsequent purchase order constitutes a contract. Carefully review the language in each document. Maybe the two companies could come to a compromise.
  4. iepeulas

    metal to metal joint seal

    What kind of connection are you working with? Threaded? Bolted flanges? Could you use pipe thread or a fitting? There is no such thing as a zero leakage joint, there will always be some finite leak rate, especially with small molecule gasses. I actually work for a metal seal company that...
  5. iepeulas

    stainless steel identification

    It could happen for a number of reasons. Is the material cold worked or annealed? What load did you use for the hardness test? Half a millimeter is pretty thin for a hardness test unless you are using surface hardness or microhardness.
  6. iepeulas

    Test House for Wear and Friction Testings

    I think Phoenix / Plint Tribology does contract testing. If not, they definitely know some folks who do.
  7. iepeulas

    CMSX4 and MAR-m-247

    Is anyone famillar with the precipitation heat treatments for these alloys? Thanks
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