Metallurgy Of Cast Iron

626 INDEX.
Testing Iron, General— PAGE.
Comparative transverse and deflection tests, with ir/$", i*Xs" and I 15-16" bars, of chill roll, gun carriage, car
wheel, heavy machinery, stove plate and bessemer iron, with analyses ...............;..............535~537
Conception of the plan to pour several tons of bars out of the same ladle and at the same temperature, as used by the A. F. A. in making 1601 tests............. 540
To whom credit is due for making the A. F. A. tests .......................................540, 542, 555
The difference in strength which the A. F. A. green sand and dry sand bars show............................ 557
Comparative transverse, deflection, tensile and compression tests from finished and rough bars, cast in green sand in 12 different grades or specialties of iron mixtures as cast for A. F. A.........................558-570
Compilation of the A. F. A. tests showing the transverse, tensile tests per square inch radically receding in opposite directions above an area of iVi" diameter. .. .571-572
Comments on the difference in strength of round and finished bars obtained by A. F. A..................572-573
Report of the A. F. A. committee recommending specifications for tests of cast iron......................574-584
The inadvisability of taking coupons or tests from a casting as a guide to the casting's strength.......... 576
Tensile Tests-Strength of some especially strong iron mixtures......
.................................. 275, 276, 278, 300, 344
The practicability of tensile tests.................... 449
The relation tensile tests bear to transverse when kept
under I J/2-inch diameter ........................450, 571
Difficulties encountered in testing..................... 450
Designs of bars for making turned bars for........458, 583
Compilation of strength per square inch of rough and
finished bars as obtained by A. F. A................. 57°
Transverse Tests—
The best for general use in testing cast iron... .220, 277, 439.... 541