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Full text of "Metallurgy Of Cast Iron"

INDEX.                                          619
Sulphur—Continued.                                                              PAGE-
Irregularities in the work of furnaces regulating...... 53
Affinity of iron for ...............................53. 225
How iron obtains .............................53, 211, 341
Found greatest in the top face of some pig irons...... 134
Spots in castings..................................... 138
Percentage in different brands of iron..........145-147, 212
Greatest percentage found in iron........147, 212, 225, 396
Power of to neutralize the effects of silicon..........
.................................. 150,208,212,285,303
The evils of, in hardening iron and causing blow-holes
....................................... 211, 213, 225, 396
The power of to increase the fusibility of iron.......... 211
Its peculiar effects on hardness and chill of iron......
...................................... 2ii, 260, 271, 283
Its effects in making molten metal sluggish and solidify
rapidly ............................................ 211
Making hot short iron............................212, 213
Excess of, weakening iron............................ 212
Causing excessive shrinkage and contraction or holes
and cracks in castings .............................. 212
Method for adding sulphur to molten iron.........223, 388
Ways in which it strengthens iron.................... 224
Maximum amount of sulphur iron may absorb......225, 396
Percentage of increase by remelting iron..............
................................... 257, 271, 302-305, 341
Highest percentage permissible in light castings....... 282
The length of time iron remains in cupola affecting an
increase of ........................................ 341
The great need of founders fearing the evils of........ 396
Tables-Yield of coke from coal..............................    13
Tests and analyses of 72-hour coke....................    15
Analyses  of  coke  from  six  different  localities........    18
Analyses of ash in Connellsville coke..................    20
Analyses of mill  cinder...............................    32
Analyses of three different brands of limestone........    61
Analyses of slags from different ores and iron.........    65hat they should use.................... 197.............142, 143244