Much attention has been paid to the improvement of the mechanical details of the lifting and other motions of cranes, and in important installations the gearing is now usually made of cast steel.
The bridge has three spans, each formed of arches of cast steel.
This they did with the excuse that the new product resembled one class of steel - cast steel - in being free from slag; and, after a period of protest, all acquiesced in calling it " steel," which is now its firmly established name.
Steel intended for castings has slightly more carbon and other elements than the cast-steel ingot intended for rolling into plates.
The growing competition of imported French cutlery made from Huntsman's cast-steel at length alarmed the Sheffield cutlers, who, after vainly endeavouring to get the exportation of the steel prohibited by the British government, were compelled in self-defence to use it.
