Sand mold casting explosion - GIF

[neilbourjaily]

Obviously, the crucible is entirely too small. Keep in mind that burns from 2400 *F iron don't hurt. At least not right away. That temp goes right through flesh. The other thing to keep in mind is that a cc of iron weighs what a cc of iron weighs, whether molten or solid. The super heated water propels the iron at hit-you-hard speeds.

[Howder1951]

Ouch! Ouch, oooooooh!