| 摘要 |
PROBLEM TO BE SOLVED: To provide a lubricating oil capable of giving such a cold rolling oil as to improve productivity by making a cold rolling speed still higher, when a steel sheet is subjected to cold rolling at a high speed, to make resistance to deposition of the oil around a mill and treatment of waste water excellent, and to solve problems of cleaning deficiencies, etc., in a cleaning process. SOLUTION: This lubricating oil for the cold rolling oil for the steel sheet contains (a) oils which contain 12-14C fatty acids in an amount of≥50 wt% in fatty acids composing oils and (b) compound esters. COPYRIGHT: (C)2004,JPO&NCIPI |
