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basic slag |
Also found in: Medical, Encyclopedia, Wikipedia, Hutchinson | 0.06 sec. |
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basic slag n
(Engineering / Metallurgy) a furnace slag produced in steel-making, containing large amounts of calcium phosphate: used as a fertilizer 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. |
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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. |
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