 ... their training and by the extent of their experience with these materials. The presence of magnesium in limestone in small amounts has little effect, but as the content increases, it may lower the fusion point of the resultant slag by the formation...  The Making, Shaping and Treating of Steel - Page 118by James McIntyre Camp, Charles Blaine Francis - 1920 - 614 pagesFull view - About this book
 | Pennsylvania. Bureau of Topographic and Geologic Survey - Geology - 1925 - 388 pages
...fusion point of the resultant slag by the formation of double salts. A high percentage (over 3 per cent) of magnesia in blast furnace slag renders it undesirable...limestone and dolomite is the cost per ton of available base".13 Sulphur and phosphorus are undesirable in fluxing limestone although rarely are they present... | |
 | University of Missouri. School of Mines and Metallurgy - Metallurgy - 1925 - 1066 pages
...Bureau of Instruction. The Making, Shaping and Treating of Steel. Text-book, page 124. Table of Slags.1 A high percentage (over 3%) of magnesia in blast furnace...etc., it is desirable, as it makes the slag harder. 7. Forsythe. The Blast Furnace and the Manufacture of Pig Iron. Text-book. 8. Gavrian, P. Le. Les Chaussees... | |
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