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Hand Forging by Thomas F. Googerty
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56
HAND - FORGING
hammer taps gently until the pieces are stuck, then hammering them together with quick, hard licks, or with the help of a striker. The weld may now be finished by hammering, or with swages. This kind of welding should be ma'de with one heat. In fact nearly all good welding is made in one
Fig. 27. Forming Scarfs to Fit Bar
heat. The practice of sticking pieces together and then placing them back in- the fire for the welding heat is wrong.
Lap Welding.—Small work, such as ~ to % in. thick and in width % in. or more, should always be welded with separate heats. Very thin stock, either soft steel or iron, may be welded without scarfing. The welds may be corner, T, or end-to-end. Pieces % in. thick should be scarfed, but
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Hand Forging by Thomas F. Googerty