LUBRICANT FOR HOT METAL FORMING Russian patent published in 2007 - IPC C10M107/28 C10M103/06 C10M125/04 C10M125/10 C10M125/18 C10M125/24 C10N40/24

Abstract RU 2298581 C2

FIELD: metalworking.

SUBSTANCE: lubricant used in fabrication of hot-rolled tubes, e.g. for internal tools of piercing mill, contains 24-29,5% sodium tripolyphosphate and sodium chloride, 35-39% high-ash solid fuel combustion waste and talc (1:20), 1.0-1.5% zinc powder, and 30-40% calcium carbonate and polyvinylacetate glue (1:4).

EFFECT: increased wear resistance of tool, improved quality of inside surface of deformed tube, and increased (by 11-12%) rolling velocity.

2 tbl, 3 dwg

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RU 2 298 581 C2

Authors

Bogatov Aleksandr Aleksandrovich

Mikhajlova Ljudmila Petrovna

Dates

2007-05-10—Published

2005-06-09—Filed