Quote:
Originally Posted by pylon
Exactly, if it keeps rusting, then eventually it will disintegrate into nothing. So artists, please use full-rust steel, so it eventually reaches it's maximum level of aesthetically pleasing at the very end.
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The rust actually forms an impermeable barrier which prevents it from rusting further. Most major refineries or upgraders you go to don't paint their steel beams for exactly this reason. The rust is free paint.