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"Bonding" stainless steel

What to use?

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Martin Harris14/08/2020 20:37:44
9497 forum posts
256 photos

How about 6mm x 3mm carbon fibre tube? (many) Other Suppliers are available...

Erfolg21/08/2020 16:23:09
11799 forum posts
1346 photos

Using Stainless Steel always gives the impression of the Bees Knees.

As has bee stated it is a family of very similar materials.

At the end of the day if safety is not an issue, then using an adhesive is not necessarily an issue, it will hold for some time.

It has been mentioned that SS usually bends very well, as in pipe bending, it work hardens well, meaning that local thinning is less of a problem. Although we tend to think it does not corrode, as a self healing passive film forms immediately on cleaning, that is an oxygen atmosphere, in a reducing atmosphere, it corrodes (usually described as a lack of oxygen (chemists talk of negatively charged by adding electrons).

At the domestic level, using a dishwasher with tablets will often result in Chlorine attack, just like sea water.

I was just about to launch into Austinitic, Feritic, Martinsitic (no longer remember how to spell them) SS etc, it is all a bit boring unless you are into a real engineering problem.

I personally would just use epoxy, or even silicon (if just spacing), we modelers often overthink our problems, when much of what we do is non critical.

In engineering I have seen SS failure due to it not being the answer to many problems.

Robin Colbourne21/08/2020 23:23:31
634 forum posts
17 photos
Posted by Martin Harris on 14/08/2020 20:37:44:

How about 6mm x 3mm carbon fibre tube? (many) Other Suppliers are available...

Martin, having looked at the price of even short lengths of stainless steel tube, I agree with you, carbon fibre tube is the way to go - won't corrode, bonds well with epoxy if the surface is keyed and cleaned and its very stiff.


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