HAND - FORGING
Bending,—Iron or soft steel may be bent to almost any angle while hot, and many kinds while cold. In cold bending the size and kind of stock must be considered. If the pieces are round or
Fig. 19. Working a Square Corner
rectangular in shape and of light weight they may be bent while cold, especially if the stock is soft steel. A light bar of soft steel may be caught in a vise and bent at right angles by striking it with a hammer. If iron is used, curved forms are more readily bent than angles, as iron will not stand the strains due to bending like soft steel will. In bending a heavy bar it must be heated.