LUBRICANT FOR PRESS-WORKING STAINLESS ALLOY PLATE OR STEEL PLATE, AND METHOD FOR PRESS-WORKING STAINLESS ALLOY PLATE OR STEEL PLATE THEREWITH

PROBLEM TO BE SOLVED: To provide lubricant for press-working a stainless alloy plate or a steel plate which is excellent in lubricity, hardly coagulates abrasion powder on the surface of a press mold and can extend the life of a mold, and to provide a method for press-working the stainless alloy pla...

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Hauptverfasser: WATANABE TAKAMICHI, UEDA KAORU
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide lubricant for press-working a stainless alloy plate or a steel plate which is excellent in lubricity, hardly coagulates abrasion powder on the surface of a press mold and can extend the life of a mold, and to provide a method for press-working the stainless alloy plate or steel plate therewith. SOLUTION: The lubricant comprises a base oil and an additive, and further contains one or more agents selected from an oily agent, a lubricity-improving agent, an aromatic hydrocarbon, and an extreme-pressure agent in the quantity of >50 mass% and ≤90 mass% in total. The additive comprises one or more of an amine derivative, a polyhydric alcohol alkylene oxide adduct having a number-average mol.wt. of ≥200 and