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  1. Anders74

    Need examples of welded products that maintain airtight/hermetic seal for 15+ years

    Thanks, folks! In case anyone is interested, I turned up a few others: welded metal bellows (leak rates < 1e-9), cryogenic dewars storage containers for liquid nitrogen, and lots of medical products in general.
  2. Anders74

    Need examples of welded products that maintain airtight/hermetic seal for 15+ years

    Hi everyone, I'm looking for some proof that thin stainless steel (8-15mils) can be welded to contain a vacuum seal for 15+ years with minimal pressure change. Some products I found are vacuum insulated panels, vacuum insulated pipes, vacuum insulated food containers, and hermetically sealed...

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