Sciencemadness Discussion Board

WHAT IF: (xkcd style question)

fusso - 9-5-2019 at 07:56

What if, we gather all ferrous alloys (any alloys that contains Fe as active component, even if Fe is only 0.1% of the alloy) and any bulk Fe chemicals (FeSO4, FeCl3) humans have made so far (ie not counting: meteorite/native iron that are still hiding somewhere, Fe impurites in nonferrous metals like CuNi, Fe compounds made for scientific researches, Fe in biological organisms), purify using current tech such that it's commercially pure, and melt it into a giant sphere (assume no oxidation and thermal expansion), how large is the sphere?

Ubya - 9-5-2019 at 09:05

You could more easily look at the global yearly production of iron, add it for as many years as you can get data on, and you can get just an approximation, but should me enough to satisfy your curiosity

fusso - 13-5-2019 at 13:25

What?! there's no existing data about total mined Fe?! Cant believe noone had ever done such research when data for other metals exist smh (compared to the data about gold: "all mined gold can fit into 2 swimming pools")

[Edited on 190513 by fusso]

kulep - 14-5-2019 at 04:23

If all mined gold can fit into 2 swimming pools, all mined iron can fit into a lake

fusso - 14-5-2019 at 04:39

Quote: Originally posted by kulep  
If all mined gold can fit into 2 swimming pools, all mined iron can fit into a lake
Then how large is the lake?

CharlieA - 14-5-2019 at 12:59

Bigger than 2 swimming pools? I can't believe that an estimate of the total amount of iron/iron ore produced worldwide since the beginning of the Iron Age is not readily available; but I'm too lazy and too disinterested to look for the data.

TheMrbunGee - 14-5-2019 at 15:03

Quote: Originally posted by fusso  
What?! there's no existing data about total mined Fe?! Cant believe noone had ever done such research when data for other metals exist smh (compared to the data about gold: "all mined gold can fit into 2 swimming pools")

[Edited on 190513 by fusso]


Well - You can fill 115 824 swimming pools (2500 m3) with useable iron produced in 2015.

[Edited on 14-5-2019 by TheMrbunGee]