Report of the Tests of Metals and Other Materials for Industrial Purposes Made with the United States Testing Machine at Watertown Arsenal, Massachusetts, During the Year Ended ...

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U.S. Government Printing Office, 1919 - Building materials
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Page 3 - Watertown Arsenal, of Tests of iron and steel and other materials for industrial purposes," made at that arsenal during the fiscal year ended June 30, 1912.
Page 244 - ... low Charpy strength and the static properties, namely, elastic limit, tensile strength, elongation, and contraction. The static properties obtained from the specimens taken in the transverse direction are sufficient in themselves to warrant the rejection of the piece. As all of the forgings discussed have suffered from very low ductility when static tensile tests were taken in the transverse direction, while at the same time the Charpy test has been low, it will doubtless occur to many that the...
Page 227 - Cylinders represented by test (serial Nos.) Yield strength (pounds per square Inch) Tensile strength (pounds per square inch) Elongation (percent In 8 Inches) Reduction of area (percent) Flattening test Serial Nos.
Page 100 - Yield point (pounds per square inch) Tensile strength (pounds per square inch) Elongation (per cent in 8 inches) Reduction of area (per cent) Test No.
Page 3 - Secretary of War. The SPEAKER OF THE HOUSE OF REPRESENTATIVES.
Page 228 - Elastic limit (pounds per square inch) Tensile strength (pounds per square inch) Elongation (percent in 2 inches) Reduction of area (percent) Heat No.
Page 179 - Tensile Strength. Pounds per Square Inch. Elastic Limit. Pounds per Square Inch.
Page 121 - Arsenal, one might mention such investigations as the following: An examination of castings having different manganese content ; An examination of high manganese steel castings to determine the chemical composition and microstructure of this steel ; Experimental heat treatment of cast steel to determine the effect on the physical properties, including the Charpy impact strength of three standard heat treatments applied to cast steel in the Arsenal foundry ; Investigation to determine the effect of...
Page 3 - THE SPEAKER OF THE HOUSE OF REPRESENTATIVES. SIR: I have the honor to transmit herewith, a letter from the Acting Chief of Engineers, United States Army, dated November 30 ultimo, submitting a report of the Mississippi River Commission, with maps...
Page 233 - The apparent effect of notching a bar taken in the longitudinal direction is to weaken it under shock. It is assumed that the effect of notching is to seriously augment the stresses at right angles to the main axis of the forging (see p.

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