Chapter 1: Introduction
Tool steels are the ferrous alloys used to manufacture tools, dies, and molds that shape, form, and cut other materials, including steels, nonferrous metals, and plastics. This chapter explores the considerations that make tool steels a very special class of steels, the long historical evolution of iron and steel manufacture, including steels for tools, and the development of tool steels as they emerged from the general class of iron and steel products.
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