Sentence Examples with the word nickel steel

Much of the heavy side armour of war-vessels (see Armourplate) is made of nickel steel initially containing so little carbon that it cannot be hardened, i.e.

They are non-magnetic or very feebly magnetic. But the critical points of such nickel steel though thus depressed, are not destroyed; and if it is cooled in liquid air below its Ar, it passes to the a state and becomes magnetic.

Here the merit of nickel steel is not so much that it resists perforation, as that it does not crack even when deeply penetrated by a projectile.