I desire to to buy this http://chiminea.com.au/ProductCart/pc/Cast_Iron_Outdoor_Heaters_Fireplaces and it is do of 15mm thick cast iron - I recognize it must be an excellent for a life time in full outdoor exposure yet just the end of curiosity, exactly how long will it require to rust v the weakest point, assuming worst possible conditions of natural outdoor conditions?




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The worst feasible outdoor problems are probably that its ~ above a absent by the sea in the tropics and is constantly pce by heat salt water.

So do you typical like, worst possible or worst for wherein you live?

Anyways there's no equation because that that, yet you deserve to look around you and see what various other old iron crap is still about and try to extrapolate.

Here they room looking at steel beams, i think hidden in soil. Castle come up through corrosion rates around 0.1 inches per 30 years


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level 2
· 6y

Rust can melt stole beams?


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Op · 6y

thank girlfriend this is helpful!


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level 1
· 6y

I haven't done any type of math, however 15mm must be thick sufficient to construct a rust coating the will safeguard interior metal. Essentially, a coating of rust will develop that keeps oxygen far from unoxydized iron. As lengthy as naught scratches the rust off, it will never ever rust through.


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Op · 6y

I check out somewhere the rust is never airtight, uneven the oxides the passivating steels like aluminium - is that true? or go iron rust come to be airtight ~ a certain thickness?


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