FERRITIC STAINLESS STEEL AND FERRITIC STAINLESS STEEL PIPE WITH IMPROVED MECHANICAL PROPERTIES OF WELDING PORTION

摘要

Disclosed is a ferritic stainless steel with improved mechanical properties of a welding portion. The disclosed ferritic stainless steel comprises, by weight%: 0.005 to 0.02% of C, 0.005 to 0.02% of N, 11.0 to 13.0% of Cr, 0.16 to 0.3% of Ti, 0.1 to 0.3% of Nb, and 0.005 to 0.05% of Al, the remainder being Fe and unavoidable impurities, wherein the maximum strength of an aggregate structure in the {1} direction after welding is 30 or less.