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Recent content by clee

  1. clee

    304 weld passivation?

    This will see ethylene oxide sterilization, what would be the benefit of e-polish with regard to sterilization? The supplier has had some difficulties removing the solutions from the finished assy due to the long small tube ID and space between tubes [at non-welded transitions]. Will a swab...
  2. clee

    304 weld passivation?

    I have a new laserwelded assembly of 304sst tubing. It is for a medical application and oxidation is therefore not a good thing. The supplier is currently passivating the raw tubes after cutting but before welding. Is it generally necessary to passivate the final assembly to stabilize the...
  3. clee

    laser welded sst tubing

    tld23, thanks for your reply. The loading I'm most interested in is in tension along the axis of the tubes. I'm assuming the primary, or most significant mode within the joint will be shear. The material is 304, and I am working with the assembly house to estimate weld dimensions to obtain...
  4. clee

    laser welded sst tubing

    I need a method of estimating joint strengths on laser welded stainless tubing assy's. The joints are overlaped [telescoping] and laser welded at the exposed end of the larger tube. material is 304 and tubing is hypodermic sizes, in the range of .013 - .06"OD with walls from .002 -...

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