LUBRICATING COMPOSITION FOR HOT-ROLLING STEEL

LUBRICATING COMPOSITION FOR HOT-ROLLING STEEL Disclosed is a lubricating composition for hotrolling steel, which comprises a base oil or base grease and a heat-insulating agent. Especially, (A) an inorganic compound which is melted by an absorption of heat at a temperature lower than 1200.degree.C a...

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Bibliographische Detailangaben
Hauptverfasser:	SAKAKIBARA, MASAYOSHI, KOUGA, TAKAHIKO, SHIRATA, MASATAKA, KURAHASHI, RYURO, KAMIYASHIKI, HIROSHI
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMISTRY FUELS LUBRICANTS LUBRICATING COMPOSITIONS METALLURGY PEAT PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MONOXIDE USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION
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Beschreibung
Zusammenfassung:	LUBRICATING COMPOSITION FOR HOT-ROLLING STEEL Disclosed is a lubricating composition for hotrolling steel, which comprises a base oil or base grease and a heat-insulating agent. Especially, (A) an inorganic compound which is melted by an absorption of heat at a temperature lower than 1200.degree.C and (B) an inorganic powder which is not melted or decomposed at a temperature lower than 1200.degree.C and has a heat conductivity lower than 0.01 cal/cm.s..degree.C at room temperature and a friction coefficient smaller than 0.7 are incorporated in specific amounts singly or in combination in the composition. This lubricating composition has an excellent heat-insulating effect and effectively prevents the thermal crown of a work roll.