The mechanical engineer's pocket-book. A reference-book of rules, tables, data, and formulæ, for the use of engineers, mechanics, and students (1910)
Kent, William, 1851-1918 · New York, J. Wiley & sons · leaf 417
vorite alloy is what isknown as government mixture, 88 Cu, 10 Sn, 2 Zn. It has a tensilestrength of about 33,000 lbs. per sq. in., when cold, and about 30,600 lbs.when heated to 407° F., corresponding to steam of 250 lbs. pressure. Tobin Bronze. — This alloy is practically a sterro or delta metal… … Test Bar (Rolled), per cent. Copper.• Zinc...Tin....Iron. .Lead... 61.2037.140.900.180.35 Dr. Dudley writes. We tested the test bars and found 78,500 tensilestrength with 40V2% elongation in two inches, and 15% in eight inches.This high tensile strength can only be obtained when the metal is…
Mechanical engineering
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