Excerpt from Iron and Steel
As the transformation of crude iron ore into various classes or grades of iron and steel requires the knowledge of the chemist, the experience and skill of the iron- and steel-maker, and a great variety of mechanical and electrical equipment for the various processes, many volumes of this size would be needed to cover every phase of iron and steel manufacture. No attempt, therefore, has been made to prepare a complete treatise for metallurgists and other specialists connected with the manufacture of iron and steel, but rather a text-book suitable for students in technical schools and those in the machine building and mechanical engineering fields who want a broad general survey of the iron and steel industry, with definite practical information pertaining to the various commercial forms and grades of iron and steel products, and the particular class of service for which the different grades are applicable.
Steel having almost any desired physical characteristics may now be obtained and great progress has also been made in the making of iron and steel castings, but these products of the steel-maker and metallurgist have not always been used to advantage by the designer and manufacturer. Expensive materials are often employed where cheaper grades would meet every requirement, or this order may be reversed, low-grade products being used where the best and most costly materials would ultimately prove economical. Because of these facts, the relation between the different grades and qualities of iron and steel and the particular use for which each kind is adapted arc emphasized in this book.
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This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works. Это и многое другое вы найдете в книге Iron and Steel (Classic Reprint) (Erik Oberg)