| 摘要 |
PCT No. PCT/JP93/00289 Sec. 371 Date Nov. 8, 1993 Sec. 102(e) Date Nov. 8, 1993 PCT Filed Mar. 9, 1993 PCT Pub. No. WO93/18196 PCT Pub. Date Sep. 16, 1993.The present invention aims to prevent the occurrence of flaws in an Fe-Cr-Al alloy steel sheet, thereby improving the yield. In the present invention, a cast slab comprising an outer layer and an inner layer with the concentration of at least one element selected from Cr, Al and REM (REM being at least one element selected from the group consisting of rare earth elements including Y of lanthanoids) in the outer layer being 70% or less of that of the inner layer, is provided, heated, hot-rolled and cold-rolled to produce a steel sheet or a foil material. |
