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  1. DRE111

    Killed steel vs. Cast WCB

    I have a customer who wants confirmaton that ASTM A216, Gr. WCB is fully killed steel. I can only find the term "Killed" steel in reference to wrought of forged material. Even ASTM references killed steel only when looking at plate specs like A516 but no mention of it in casting spec.s like...
  2. DRE111

    True Stress/True Strain Data for Polymers

    I'm looking for true stress vs true strain into the plastic range for FEA modelling of PTFE, UHMWPE, Nylon, Delrin and other seal materials. Anybody have a good source?
  3. DRE111

    Looking for a Foundry that poors C5 /C12 steel

    Does any one know of a foundry that poors radiograph quality castings in ASTM A-217, grades C12 and C5? This is Chrome-moly steel and the castings I'm looking at are fairly big stuff, maybe 5000 - 10,000 Lbs.
  4. DRE111

    Low temp impact toughness of cast carbon steel

    ASME allows the use of A216, Gr. WCB in the Annealed condition down to -20 F without a min. Charpy energy value, however, the Pressure Equipment Directve (PED) requires 27 joules minimum at minimum operating temp. I have some data for the normalized, quenched and tempered, and annealed...

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