With coiling or treating of coiled strip

Subclass of:

148 - Metal treatment

148095000 - PROCESS OF MODIFYING OR MAINTAINING INTERNAL PHYSICAL STRUCTURE (I.E., MICROSTRUCTURE) OR CHEMICAL PROPERTIES OF METAL, PROCESS OF REACTIVE COATING OF METAL AND PROCESS OF CHEMICAL-HEAT REMOVING (E.G., FLAME-CUTTING, ETC.) OR BURNING OF METAL

148559000 - Heating or cooling of solid metal

148579000 - Iron(Fe) or iron base alloy

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application number	Description	Number of patent applications / Date published
148602000	With working	138

Entries
Document	Title	Date
20080223491	HIGH STRENGTH HOT ROLLED STEEL SHEET WITH EXCELLENT PRESS WORKABILITY AND METHOD OF MANUFACTURING THE SAME - Disclosed is a hot rolled steel sheet which contains C, Si, Mn, Al, Ti, N, and S. The C, Ti, N, and sulfur contents satisfy the following condition (1), and the Si and Mn contents satisfy the following condition (2):	09-18-2008