treatise on the Practical Treatment and working of steel. Covers the selection and identification of steel, the most modern and approved heating, hardening, tempering, annealing, and forging processes. The use of gas blast forges, heating machines and furnaces. The annealing and manufacturing of malleable iron, the treatment and use of self-hardening steel, with special reference to case hardening processes, the hardening and tempering of milling cutters and press tools, the use of machinery steel for cutting tools, forging and welding high grade steel, forging in america, forging of hollow shafts, drop-forging and grinding processes for tools and machine parts. 312 well illustrated pages.

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