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Full text of "Metallurgy Of Cast Iron"

INDEX.                                         613
Pig IronóContinued.                                                          PAGE.
Evils of using ill-mixed casts of....................139-143
Best   method   of   grading...........................144-145
Definition of "brand" and "grade" of..............144, 396
Difference between Foundry,  Charcoal, Bessemer,  Gray Forge, Basic, Ferro-Silicon, Ferro-Manganese, Mottled
and White   ......................................145-147
Number of founders in 1901 grading by analyses.......  148
Deceptive appearance of the fracture of. .148,169,173,177, 178 Suggested  systems  for standardizing grading by analyses   ..............................................148-153
Erratic and objectionable systems of grading by analyses practiced up to 1902............................. 149
Percentage of silicon required to change the grade of. 150, 155 Desirability of occasional analyses of all metalloids when
purchasing Ferro-Silicon   ...................152,   154, 197
Conditions requiring analyses of all five metalloids..... 153
Suggestions to furnacemen for advertising.............  154
Impracticability    of    exacting    certain    percentages    of
graphite or combined carbon in purchasing........... 154
Methods for utilizing different grades to make a mixture   ................................................  155
The  value  of standardized  drillings in analyzing......
...........................................   156, 181, 192
Process of refining ................................... 162
Excuses to account for ill results through being guided
by the fracture of...........................164.  165, 170
Tests  demonstrating the  deceptive appearance  of fractures   in   ...................i....................172, 1/4
Impracticability of hardness tests for judging the grade
of   ..............................................175-176
Two ways of producing hardness in................... 175
The percentage of furnace casts that will be deceptive
in fractures of   ..................................176-179
Necessity  of  utilizing analyses  and  physical  tests  and
what they define in making mixtures of. .194., 205, 258, 497 Evil  practice of  foundrymen  relying upon  furnacemen to tell them what they should use.................... 197.............142, 143244