"Tool steel" Quotes from Famous Books
 ... contained 5 per cent. of carbon, all combined. The soft portion of the same casting weighed 4473/4 lb. per cubic foot, and contained 34.5 per cent. of carbon—31.5 being graphitic and 3.5 combined. Mr. Morgans doubted whether so great an increase in density often arises from chilling. Tool steel, when hardened by being chilled in cold water, does not become condensed, but slightly expanded from its bulk when annealed and soft. Here an increase of hardness is accompanied by a decrease of density. The gradual development of a network ...
— Scientific American Supplement, No. 586, March 26, 1887 • Various |
