Thanks for the feedback! Is there a minimum thickness for the annealed tube (for the coil) or the large pipe if bronze tig is used? How high would you recommend the walls of the notch be, and is it better to extrude out of the pipe or cut into the pipe? I imagine the notch would have a semi-circular...

6.3 mm OD, 6.0 ID for the coil
180 OD, 160 ID for the pipe

Thanks all for the advice ao far. Here's a link to the picture: http://bit.do/erWEV

I am trying to weld or braze a thin, hollow stainless steel coil to a large hollow stainless steel pipe. Should I add guides along the large pipe to help the welder align the coil? Will the welder bend the pipe (used for the coil) or does the coil need to be pre-formed? Is there a way to increase th...