| 摘要 |
This heat-resistant austenitic stainless steel sheet contains, in mass%, 0.05-0.15% of C, 1.0-3.5% of Si, 0.5-2.0% of Mn, 0.04% or less of P, 0.01% or less of S, 23.0-26.0% of Cr, 10.0-15.0% of Ni, 0.50-1.20% of Mo, 0.1% or less of Ti, 0.01-0.10% of Al and 0.10-0.30% of N, with the total of C and N (C + N) being 0.25-0.35% and with the balance made up of Fe and unavoidable impurities. This heat-resistant austenitic stainless steel sheet can be used in a high temperature environment where the highest temperature reaches 1,100°C. This heat-resistant austenitic stainless steel sheet contains, in mass%, 0.05-0.15% of C, 1.0-3.5% of Si, 0.5-2.0% of Mn, 0.04% or less of P, 0.01% or less of S, 23.0-26.0% of Cr, 10.0-15.0% of Ni, 0.50-1.20% of Mo, 0.1% or less of Ti, 0.01-0.10% of Al and 0.10-0.30% of N, with the total of C and N (C + N) being 0.25-0.35% and with the balance made up of Fe and unavoidable impurities. This heat-resistant austenitic stainless steel sheet can be used in a high temperature environment where the highest temperature reaches 1,100°C. Provided is a method for cutting a honeycomb molding, by which the shapes of cells at an end of the cut honeycomb molding are good and thereby the cut honeycomb molding can be efficiently obtained. A method for cutting a honeycomb molding, wherein while green body including a ceramic starting material is extruded to mold a honeycomb-shaped honeycomb molding having partitions for demarcating and forming a plurality of cells, the extruded honeycomb molding is cut in a direction perpendicular to a direction in which the honeycomb molding moves by a cutting blade that is vibrated at a frequency of 0.3 kHz or more. More preferably, a method for cutting a honeycomb molding, wherein the cutting blade is high-frequency-vibrated at a frequency of 10 kHz or more. |
