I intended to create my own backplate for a fireplace, and - as I was thinking about etching it - I am investigating on the most suited materials: so far I saw mentioned just iron, but I would be more confortable with bronze: it can be used? Any other materials are possible?
A hot fire in the fireplace will cause the bronze to warp and slump, if it is meant to be in contact or near the flame. Iron is a much better choice as it holds up much better at the temperatures around the firebox.
Bronze would be quite suitable for outside of the firebox area, however, and would look very nice as a complement to an iron inner works.
If you have the capability to make patterns, but not the capability to cast the iron, you may still be able to find a foundry that will cast your parts.
I used the term "backplate" (sorry if it's wrong, I'm not english) to speak about the plate directly against the fire - and it's not a stove, it's an open fireplace, in corner configuration.
Anyway, what I probably didnt explain well was that I want to put the iron backplate another metal plate, the one I want to etch.
You're of course correct that in this way I probably melt metals as bronze, so I menaged to get an iron plate, 7mm thick. That's what I'll try to etch.
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