| Dictionary, Encyclopedia and Thesaurus - The Free Dictionary 1,761,795,334 visitors served. |
|
Dictionary/ thesaurus | Medical dictionary | Legal dictionary | Financial dictionary | Acronyms | Idioms | Encyclopedia | Wikipedia encyclopedia | ? |
slag |
Also found in: Dictionary/thesaurus, Medical, Encyclopedia, Wikipedia | 0.03 sec. |
slagIn chemistry, the molten mass of impurities that is produced in the smelting or refining of metals. The slag produced in the manufacture of iron in a blast furnace floats on the surface above the molten iron. It contains mostly silicates, phosphates, and sulphates of calcium. When cooled, the solid is broken up and used as a core material in the foundations of roads and buildings. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
|
| ? Mentioned in | ? References in periodicals archive | |
|---|---|---|
Slag Composition--Maintaining low levels of ferrous oxide (FeO) and MnO in a slag is important to produce minimum S levels in the iron by creating neutral or basic slags. Primary Ductile Iron Melting & Holding (by % of foundries) Melting Large Foundries Small Foundries Cupola 1978 1988 1998 1978 1988 1998 Acid Slag 26 42 20 20 2 6 Basic Slag 13 15 3 5 0 2 Neutral Slag NA 4 7 NA 2 0 Coreless 45 38 62 44 84 83 Arc 15 4 1 13 6 0 Channel 15 4 12 22 22 8 Other 0 0 0 0 2 3 Holding Channel 30 46 43 7 24 7 Coreless 6 15 11 5 10 3 Arc 9 8 0 2 0 0 Forehearth NA 15 5 NA 0 1 Other 9 8 5 5 2 2 Table 2. The result is a more basic slag, which promotes faster wear of the silica refractory lining. |
| Hutchinson Encyclopedia |
| Free Tools: |
For surfers:
Free toolbar & extensions |
Word of the Day |
Help
For webmasters: Free content | Linking | Lookup box | Double-click lookup | Partner with us |
|---|