National Emergency Steels

THE conservation of strategic materials during war time gives rise to many problems not commonly encountered in times of peace. During normal times, when world trade is unrestricted, we are apt to become lavish to a point of extravagance in our use of those materials which, during rime of war, become scarce owing to inadequate transportation and production facilities or because the enemy may be in position to control sources of supply.
Keywords: Alloy steels, American Iron and Steel Institute, American Society for Metals ., chromium, hardenability, manganese, Emergency, Hardness, nickel, Standards, steel, Steels, test, Tests
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