Though all true cast iron is brittle, in the sense that it is not usefully malleable, i.e.
We know, in short, that the water is not being usefully employed.
I feel I've spent a couple of hours very usefully.
Usefully Cameron outlines the bribe scenario and what is best to do - here as throughout, it's the voice of experience.
(Tungsten steel and certain classes of manganese steel are malleable only when red-hot.) Normal or carbon steel contains between 0.30 and 2.20% of carbon, enough to make it harden greatly when cooled suddenly, but not enough to prevent it from being usefully malleable when hot.