I want to to buy this http://chiminea.com.au/ProductCart/pc/Cast_Iron_Outdoor_Heaters_Fireplaces and it is made of 15mm thick cast iron - I know it must be great for a lifetime in full outdoor exposure but just the end of curiosity, just how long will certainly it require to rust with the weakest point, presume worst feasible conditions of organic outdoor conditions?




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The worst feasible outdoor problems are probably that its on a rock by the sea in the tropics and also is constantly injected by heat salt water.

So carry out you typical like, worst possible or worst for whereby you live?

Anyways there's no equation for that, however you have the right to look around you and also see what other old iron crap is still about and shot to extrapolate.

Here they room looking at steel beams, ns think buried in soil. They come up with corrosion rates around 0.1 inches per 30 years


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· 6y

Rust have the right to melt stole beams?


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Op · 6y

thank friend this is helpful!


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· 6y

I haven't done any kind of math, however 15mm have to be thick enough to construct a rust coating that will defend interior metal. Essentially, a coating that rust will build that keeps oxygen far from unoxydized iron. As long as naught scratches the rust off, the will never ever rust through.


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Op · 6y

I review somewhere the rust is never ever airtight, uneven the oxides that passivating metals like aluminium - is the true? or walk iron rust come to be airtight ~ a particular thickness?


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