Is it soldered seams? Can't really tell from the pic. If it's a soldered seam, you have to be real careful cause you might crack the seam. If you can post pics of the whole thing, may have a better idea. Stainless is a little tougher to form without distorion.
Its probably soldered with silver solder. The problem with trying to solder it is stainless is a great temp conductor. It gets hot or cold real fast and trying to solder it may make you chase the solder. Its possible to solder he one spot if you are careful, but may end up soldering the entire seam. And if you get to that point, might as well melt all the solder, repair the damage and resolder the seam.
Stainless Steele should have brazed seams especially if it is intended for someone to be drinking from. Be careful if you solder it, use only silver solder as normal lead soldering is toxic and builds up in your body over time just as mercury does. A quicker and nearly invisible fix would be to make a small wipe of JB Weld over the crack and then wipe off the excess. As it was stated, re-forming the flask would prove to be a monumental task that would involve separating the two halves entirely.
Stainless Steele should have brazed seams especially if it is intended for someone to be drinking from. Be careful if you solder it, use only silver solder as normal lead soldering is toxic and builds up in your body over time just as mercury does. A quicker and nearly invisible fix would be to make a small wipe of JB Weld over the crack and then wipe off the excess. As it was stated, re-forming the flask would prove to be a monumental task that would involve separating the two halves entirely.
It was hard to tell from the pic if it had been brazed or silver soldered. So I assumed silver solder, cause its hard to tell if its been brazed. Usually you can see the brazing, unless they folded over the flange. Which is why more pics of it would help.
Its probably soldered with silver solder. The problem with trying to solder it is stainless is a great temp conductor. It gets hot or cold real fast and trying to solder it may make you chase the solder. Its possible to solder he one spot if you are careful, but may end up soldering the entire seam. And if you get to that point, might as well melt all the solder, repair the damage and resolder the seam.
silver solder is exactly what came to my mind before getting this far, Opatience beat me to it.
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