Bending Stainless Steel Tube for Superheaters

Bending Stainless Steel Tube for Superheaters

This topic has 4 replies, 4 voices, and was last updated 4 February 2016 at 07:26 by JasonB.

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3 February 2016 at 10:53 #223735
Stewart Hart
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@stewarthart90345
Hi

I was asked a ? about how to bend stainless steel tube for super heaters, I seem to recollect that there was an article in the magazine some time ago but a quick search came up empty.

Does any one recollect this article and what issue it was in.

Also has any one got any experience of bending stainless steel tube ?.

Can they pass on any tips, and comments.

Cheers

Stew
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3 February 2016 at 10:53 #15830
Stewart Hart
Participant
@stewarthart90345
3 February 2016 at 11:19 #223745
Anonymous
No idea about the article, but I have bent 6mm OD thin wall (22swg) hard stainless steel tube to make a Brunswick tube for my glider. That was 25 years ago, and I'm still flying with it on the fin of the glider.

I partially filled the tube with tin/lead solder, bent the tube in a conventional tube bender and then melted the solder out. It worked well with no noticable flattening of the tube.

Andrew
3 February 2016 at 23:05 #223842
julian atkins
Participant
@julianatkins58923
hi stew,

this subject has been covered recently on the modeleng proboards forum site by a number of experts. heat to red and bend as you would copper tube except whilst still red. the rest of us fit copper or brass tails to the TIG welded elements silver soldered to the stainless elements.

cheers,

julian
4 February 2016 at 07:26 #223853
JasonB
Moderator
@jasonb
I just anneald these 1/4" tubes and used one of those cheap Record hand benders that do 3 sizes in one.
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