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Recent content by BillWest

  1. BillWest

    BLUE SPIRAL MARKING ON HYDRAULIC TUBING

    Thank you. BW
  2. BillWest

    BLUE SPIRAL MARKING ON HYDRAULIC TUBING

    The specification is for SAE J525 (welded) tubing - .875 OD X .065 Wall. BW
  3. BillWest

    BLUE SPIRAL MARKING ON HYDRAULIC TUBING

    Thanks for responding. I'm not sure, but I think it is cold drawn, 1/4" nominal. I am checking that out. BW
  4. BillWest

    BLUE SPIRAL MARKING ON HYDRAULIC TUBING

    Does anyone know the manufacturer of hydraulic tubing with a blue spiral marking on the outside surface? Or, is there some significance to the marking (i.e. a standard or pressure rating)? BW
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