Patent ID: 8455408

Claim:
A method for hot steel working comprising the steps of: applying an anti-seizure agent comprising: an inorganic component as a first component; sodium hydroxide as a second component; water-soluble resins and/or water-soluble surfactants as a third component; and water, wherein, to the mass of the sum of said first component, said second component, and said third component as 100 mass %, said anti-seizure agent contains: 96.5 mass % or more and 99.98 mass % or less of said first component; 0.01 mass % or more and 2.0 mass % or less of said second component; and 0.01 mass % or more and 1.5 mass % or less of said third component, and at room temperature on a surface of a material to be processed; drying said applied anti-seizure agent being coated thereby forming a coating layer on the surface of said material to be processed; and carrying out hot working of said material to be processed having said coating layer on the surface thereof, wherein, to the total mass of said inorganic component as 100 mass %, said inorganic component contains: 30 mass % or more and 70 mass % or less of Al 2 O 3 , 35 mass % or more and 80 mass % or less of SiO 2 , O mass % or more and 1.0 mass % or less of CaO, 0.05 mass % or more and 2.0 mass % or less of B 2 O 3 , 0 mass % or more and 0.5 mass % or less of K 2 O, and 0.02 mass % or more and 1.0 mass % or less of Na 2 O.