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  • Users: Koz
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  1. Koz

    Zen and Welding

    Hi all, So I was wondering, how do we assure the quality of a special process when no on is looking? It's like the question, if a tree falls in the forest does it still make a sound if there is no one there to listen? We've been having an on-going discussion concerning welding on a concrete...
  2. Koz

    Cross Qualification of Old BS Steel Stds to ASTM

    Hi All, I hope someone here can help. We're trying to clean up some metalograph samples at our local university and I need some cross qualification info for the following alloys. Base Metals BS 4360 gr 1 mild steel (.18% C) BS 970 grade En8 (.4% C) BS 2870 grade C101 (Tough-pitch Cu) BS 2870...
  3. Koz

    CVN and Fracture Toughness

    Hi Guys, I'm really bugged by this CVN thing. Acknowledging ASTM Standard E23, A6, and A992 for wide-flange "I" beams and we all run these tests correctly with all of the properly calibrated instrumentation. Oh yes, and the chemistry variations ie product versus ladle have been...

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