Abstract
(1) THE introduction of steels having a high-1 resistance to corrosion is probably the most important advance made in the metallurgy of steel in the last twenty-five years. Beginning with the invention of ‘stainless’ cutlery steel by Brearley, the range of composition of corrosion-resisting steels has been widened, until now products having the most diverse mechanical properties have been obtained. By using nickel and chromium together and keeping the percentage of carbon low, alloys are made which can be pressed, drawn, or otherwise worked without injury to their chemical properties. It was found, however, that exposure to high temperatures, either over long periods as in superheater tubes, or intensely for a short time as in the making of welded joints, may cause a peculiar kind of brittle-ness, and much research was necessary to find means of overcoming this difficulty, mainly by the addition of small quantities of other elements.
(1) The Book of Stainless Steels:
Corrosion resisting and Heat resisting Chromium Alloys. Edited by Ernest E. Thum. Second edition. Pp. xii + 787. (Cleveland: The American Society for Steel Treating, 1935.) 5 dollars.
(2) Chromium Steels
By Dr. Richard Henry Greaves. (Department of Scientific and Industrial Research.) Pp. vi + 321 + 4 plates. (London: H.M. Stationery Office, 1935.) 7s. 6d. net.
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(1) The Book of Stainless Steels: (2) Chromium Steels. Nature 136, 243 (1935). https://doi.org/10.1038/136243a0
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DOI: https://doi.org/10.1038/136243a0