Lubricant for the production of seamless steel pipes

Details Lubricant for the production of seamless steel pipes Lubricant for the production of seamless steel pipes

C - Chemistry, Metallurgy

10

M

253/15

C10M 173/02 (2006.01)

Patent

CA 1329802

- 28 - ABSTRACT OF THE DISCLOSURE Disclosed herein is a water-dispersion-type hot- rolling lubricant for the production of seamless steel pipes. This lubricant features the inclusion of a salt of a polybasic high molecular acid in addition to fine graphite powder, a water-insoluble fine particulate synthetic resin and water as principal components and fine gilsonite powder as an optional component. Even when the surface temperature of a mandrel bar is in a high temperature range of 100-400°C, this lubricant can form a uniform and thick coating film on the surface of the bar so that the lubricant can exhibit extremely good hot-rolling lubrication performance.

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